[PATCH] v4l: 886: renamed common structures to em28xx

- Renamed common structures to em28xx

Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

6 files changed, 686 insertions, 685 deletions

diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index ecfc8a3374dbb9..49107fd0c0d30c 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -34,7 +34,7 @@
 
 #include "em28xx.h"
 
-struct em2820_board em2820_boards[] = {
+struct em28xx_board em28xx_boards[] = {
 	[EM2800_BOARD_UNKNOWN] = {
 		.name         = "Unknown EM2800 video grabber",
 		.is_em2800    = 1,
@@ -42,13 +42,13 @@ struct em2820_board em2820_boards[] = {
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input           = {{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -60,13 +60,13 @@ struct em2820_board em2820_boards[] = {
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input           = {{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -78,17 +78,17 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 2,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -100,17 +100,17 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 2,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -122,15 +122,15 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type   = TUNER_PHILIPS_FM1236_MK3,
 		.tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 		.has_tuner    = 1,
-		.decoder      = EM2820_TVP5150,
+		.decoder      = EM28XX_TVP5150,
 		.has_msp34xx  = 1,
 		/*FIXME: S-Video not tested */
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 0,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 2,
 			.amux     = 1,
 		}},
@@ -142,17 +142,17 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type	= TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf	= TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 		.has_tuner	= 1,
-		.decoder        = EM2820_SAA7114,
+		.decoder        = EM28XX_SAA7114,
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 4,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -165,17 +165,17 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 2,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -188,17 +188,17 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 2,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -211,17 +211,17 @@ struct em2820_board em2820_boards[] = {
 		.tuner_type   = TUNER_PHILIPS_ATSC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input          = {{
-			.type     = EM2820_VMUX_TELEVISION,
+			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = 2,
 			.amux     = 0,
 		},{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
@@ -231,22 +231,22 @@ struct em2820_board em2820_boards[] = {
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.has_tuner    = 0,
-		.decoder      = EM2820_SAA7113,
+		.decoder      = EM28XX_SAA7113,
 		.input          = {{
-			.type     = EM2820_VMUX_COMPOSITE1,
+			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = 1,
 		},{
-			.type     = EM2820_VMUX_SVIDEO,
+			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 9,
 			.amux     = 1,
 		}},
 	},
 };
-const unsigned int em2820_bcount = ARRAY_SIZE(em2820_boards);
+const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
 
 /* table of devices that work with this driver */
-struct usb_device_id em2820_id_table [] = {
+struct usb_device_id em28xx_id_table [] = {
 	{ USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_MSI_VOX_USB_2 },
 	{ USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
@@ -256,7 +256,7 @@ struct usb_device_id em2820_id_table [] = {
 	{ },
 };
 
-void em2820_card_setup(struct em2820 *dev)
+void em28xx_card_setup(struct em28xx *dev)
 {
 	/* request some modules */
 	if (dev->model == EM2820_BOARD_HAUPPAUGE_WINTV_USB_2) {
@@ -274,14 +274,14 @@ void em2820_card_setup(struct em2820 *dev)
 		if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
 			dev->has_msp34xx=1;
 		} else dev->has_msp34xx=0;
-		em2820_write_regs_req(dev,0x06,0x00,"\x40",1);// Serial Bus Frequency Select Register
-		em2820_write_regs_req(dev,0x0f,0x00,"\x87",1);// XCLK Frequency Select Register
-		em2820_write_regs_req(dev,0x88,0x0d,"\xd0",1);
+		em28xx_write_regs_req(dev,0x06,0x00,"\x40",1);// Serial Bus Frequency Select Register
+		em28xx_write_regs_req(dev,0x0f,0x00,"\x87",1);// XCLK Frequency Select Register
+		em28xx_write_regs_req(dev,0x88,0x0d,"\xd0",1);
 	}
 }
 
-EXPORT_SYMBOL(em2820_boards);
-EXPORT_SYMBOL(em2820_bcount);
-EXPORT_SYMBOL(em2820_id_table);
+EXPORT_SYMBOL(em28xx_boards);
+EXPORT_SYMBOL(em28xx_bcount);
+EXPORT_SYMBOL(em28xx_id_table);
 
-MODULE_DEVICE_TABLE (usb, em2820_id_table);
+MODULE_DEVICE_TABLE (usb, em28xx_id_table);
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index e5aae4fa818aaf..045547e1765653 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -1,5 +1,5 @@
 /*
-   em2820-core.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
+   em28xx-core.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
 
    Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
 		      Markus Rechberger <mrechberger@gmail.com>
@@ -36,7 +36,7 @@ unsigned int core_debug;
 module_param(core_debug,int,0644);
 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
 
-#define em2820_coredbg(fmt, arg...) do {\
+#define em28xx_coredbg(fmt, arg...) do {\
 	if (core_debug) \
 		printk(KERN_INFO "%s %s :"fmt, \
 			 dev->name, __FUNCTION__ , ##arg); } while (0)
@@ -45,7 +45,7 @@ unsigned int reg_debug;
 module_param(reg_debug,int,0644);
 MODULE_PARM_DESC(reg_debug,"enable debug messages [URB reg]");
 
-#define em2820_regdbg(fmt, arg...) do {\
+#define em28xx_regdbg(fmt, arg...) do {\
 	if (reg_debug) \
 		printk(KERN_INFO "%s %s :"fmt, \
 			 dev->name, __FUNCTION__ , ##arg); } while (0)
@@ -54,12 +54,12 @@ unsigned int isoc_debug;
 module_param(isoc_debug,int,0644);
 MODULE_PARM_DESC(isoc_debug,"enable debug messages [isoc transfers]");
 
-#define em2820_isocdbg(fmt, arg...) do {\
+#define em28xx_isocdbg(fmt, arg...) do {\
 	if (isoc_debug) \
 		printk(KERN_INFO "%s %s :"fmt, \
 			 dev->name, __FUNCTION__ , ##arg); } while (0)
 
-static int alt = EM2820_PINOUT;
+static int alt = EM28XX_PINOUT;
 module_param(alt, int, 0644);
 MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
 
@@ -88,7 +88,7 @@ static const char *v4l2_ioctls[] = {
 };
 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 
-void em2820_print_ioctl(char *name, unsigned int cmd)
+void em28xx_print_ioctl(char *name, unsigned int cmd)
 {
 	char *dir;
 
@@ -159,17 +159,17 @@ static void rvfree(void *mem, size_t size)
 }
 
 /*
- * em2820_request_buffers()
+ * em28xx_request_buffers()
  * allocate a number of buffers
  */
-u32 em2820_request_buffers(struct em2820 *dev, u32 count)
+u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
 {
 	const size_t imagesize = PAGE_ALIGN(dev->frame_size);	/*needs to be page aligned cause the buffers can be mapped individually! */
 	void *buff = NULL;
 	u32 i;
-	em2820_coredbg("requested %i buffers with size %i", count, imagesize);
-	if (count > EM2820_NUM_FRAMES)
-		count = EM2820_NUM_FRAMES;
+	em28xx_coredbg("requested %i buffers with size %i", count, imagesize);
+	if (count > EM28XX_NUM_FRAMES)
+		count = EM28XX_NUM_FRAMES;
 
 	dev->num_frames = count;
 	while (dev->num_frames > 0) {
@@ -193,10 +193,10 @@ u32 em2820_request_buffers(struct em2820 *dev, u32 count)
 }
 
 /*
- * em2820_queue_unusedframes()
+ * em28xx_queue_unusedframes()
  * add all frames that are not currently in use to the inbuffer queue
  */
-void em2820_queue_unusedframes(struct em2820 *dev)
+void em28xx_queue_unusedframes(struct em28xx *dev)
 {
 	unsigned long lock_flags;
 	u32 i;
@@ -211,10 +211,10 @@ void em2820_queue_unusedframes(struct em2820 *dev)
 }
 
 /*
- * em2820_release_buffers()
+ * em28xx_release_buffers()
  * free frame buffers
  */
-void em2820_release_buffers(struct em2820 *dev)
+void em28xx_release_buffers(struct em28xx *dev)
 {
 	if (dev->num_frames) {
 		rvfree(dev->frame[0].bufmem,
@@ -224,15 +224,15 @@ void em2820_release_buffers(struct em2820 *dev)
 }
 
 /*
- * em2820_read_reg_req()
+ * em28xx_read_reg_req()
  * reads data from the usb device specifying bRequest
  */
-int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
+int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 				   char *buf, int len)
 {
 	int ret, byte;
 
-	em2820_regdbg("req=%02x, reg=%02x ", req, reg);
+	em28xx_regdbg("req=%02x, reg=%02x ", req, reg);
 
 	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req,
 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
@@ -250,15 +250,15 @@ int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
 }
 
 /*
- * em2820_read_reg_req()
+ * em28xx_read_reg_req()
  * reads data from the usb device specifying bRequest
  */
-int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg)
+int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg)
 {
 	u8 val;
 	int ret;
 
-	em2820_regdbg("req=%02x, reg=%02x:", req, reg);
+	em28xx_regdbg("req=%02x, reg=%02x:", req, reg);
 
 	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req,
 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
@@ -273,16 +273,16 @@ int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg)
 	return val;
 }
 
-int em2820_read_reg(struct em2820 *dev, u16 reg)
+int em28xx_read_reg(struct em28xx *dev, u16 reg)
 {
-	return em2820_read_reg_req(dev, USB_REQ_GET_STATUS, reg);
+	return em28xx_read_reg_req(dev, USB_REQ_GET_STATUS, reg);
 }
 
 /*
- * em2820_write_regs_req()
+ * em28xx_write_regs_req()
  * sends data to the usb device, specifying bRequest
  */
-int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
+int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 				 int len)
 {
 	int ret;
@@ -290,7 +290,7 @@ int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
 	/*usb_control_msg seems to expect a kmalloced buffer */
 	unsigned char *bufs = kmalloc(len, GFP_KERNEL);
 
-	em2820_regdbg("req=%02x reg=%02x:", req, reg);
+	em28xx_regdbg("req=%02x reg=%02x:", req, reg);
 
 	if (reg_debug) {
 		int i;
@@ -310,124 +310,124 @@ int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
 	return ret;
 }
 
-int em2820_write_regs(struct em2820 *dev, u16 reg, char *buf, int len)
+int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len)
 {
-	return em2820_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len);
+	return em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len);
 }
 
 /*
- * em2820_write_reg_bits()
+ * em28xx_write_reg_bits()
  * sets only some bits (specified by bitmask) of a register, by first reading
  * the actual value
  */
-int em2820_write_reg_bits(struct em2820 *dev, u16 reg, u8 val,
+int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
 				 u8 bitmask)
 {
 	int oldval;
 	u8 newval;
-	if ((oldval = em2820_read_reg(dev, reg)) < 0)
+	if ((oldval = em28xx_read_reg(dev, reg)) < 0)
 		return oldval;
 	newval = (((u8) oldval) & ~bitmask) | (val & bitmask);
-	return em2820_write_regs(dev, reg, &newval, 1);
+	return em28xx_write_regs(dev, reg, &newval, 1);
 }
 
 /*
- * em2820_write_ac97()
+ * em28xx_write_ac97()
  * write a 16 bit value to the specified AC97 address (LSB first!)
  */
-int em2820_write_ac97(struct em2820 *dev, u8 reg, u8 * val)
+int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val)
 {
 	int ret;
 	u8 addr = reg & 0x7f;
-	if ((ret = em2820_write_regs(dev, AC97LSB_REG, val, 2)) < 0)
+	if ((ret = em28xx_write_regs(dev, AC97LSB_REG, val, 2)) < 0)
 		return ret;
-	if ((ret = em2820_write_regs(dev, AC97ADDR_REG, &addr, 1)) < 0)
+	if ((ret = em28xx_write_regs(dev, AC97ADDR_REG, &addr, 1)) < 0)
 		return ret;
-	if ((ret = em2820_read_reg(dev, AC97BUSY_REG)) < 0)
+	if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0)
 		return ret;
 	else if (((u8) ret) & 0x01) {
-		em2820_warn ("AC97 command still being exectuted: not handled properly!\n");
+		em28xx_warn ("AC97 command still being exectuted: not handled properly!\n");
 	}
 	return 0;
 }
 
-int em2820_audio_analog_set(struct em2820 *dev)
+int em28xx_audio_analog_set(struct em28xx *dev)
 {
 	char s[2] = { 0x00, 0x00 };
 	s[0] |= 0x1f - dev->volume;
 	s[1] |= 0x1f - dev->volume;
 	if (dev->mute)
 		s[1] |= 0x80;
-	return em2820_write_ac97(dev, MASTER_AC97, s);
+	return em28xx_write_ac97(dev, MASTER_AC97, s);
 }
 
 
-int em2820_colorlevels_set_default(struct em2820 *dev)
+int em28xx_colorlevels_set_default(struct em28xx *dev)
 {
-	em2820_write_regs(dev, YGAIN_REG, "\x10", 1);	/* contrast */
-	em2820_write_regs(dev, YOFFSET_REG, "\x00", 1);	/* brightness */
-	em2820_write_regs(dev, UVGAIN_REG, "\x10", 1);	/* saturation */
-	em2820_write_regs(dev, UOFFSET_REG, "\x00", 1);
-	em2820_write_regs(dev, VOFFSET_REG, "\x00", 1);
-	em2820_write_regs(dev, SHARPNESS_REG, "\x00", 1);
-
-	em2820_write_regs(dev, GAMMA_REG, "\x20", 1);
-	em2820_write_regs(dev, RGAIN_REG, "\x20", 1);
-	em2820_write_regs(dev, GGAIN_REG, "\x20", 1);
-	em2820_write_regs(dev, BGAIN_REG, "\x20", 1);
-	em2820_write_regs(dev, ROFFSET_REG, "\x00", 1);
-	em2820_write_regs(dev, GOFFSET_REG, "\x00", 1);
-	return em2820_write_regs(dev, BOFFSET_REG, "\x00", 1);
+	em28xx_write_regs(dev, YGAIN_REG, "\x10", 1);	/* contrast */
+	em28xx_write_regs(dev, YOFFSET_REG, "\x00", 1);	/* brightness */
+	em28xx_write_regs(dev, UVGAIN_REG, "\x10", 1);	/* saturation */
+	em28xx_write_regs(dev, UOFFSET_REG, "\x00", 1);
+	em28xx_write_regs(dev, VOFFSET_REG, "\x00", 1);
+	em28xx_write_regs(dev, SHARPNESS_REG, "\x00", 1);
+
+	em28xx_write_regs(dev, GAMMA_REG, "\x20", 1);
+	em28xx_write_regs(dev, RGAIN_REG, "\x20", 1);
+	em28xx_write_regs(dev, GGAIN_REG, "\x20", 1);
+	em28xx_write_regs(dev, BGAIN_REG, "\x20", 1);
+	em28xx_write_regs(dev, ROFFSET_REG, "\x00", 1);
+	em28xx_write_regs(dev, GOFFSET_REG, "\x00", 1);
+	return em28xx_write_regs(dev, BOFFSET_REG, "\x00", 1);
 }
 
-int em2820_capture_start(struct em2820 *dev, int start)
+int em28xx_capture_start(struct em28xx *dev, int start)
 {
 	int ret;
 	/* FIXME: which is the best order? */
 	/* video registers are sampled by VREF */
-	if ((ret = em2820_write_reg_bits(dev, USBSUSP_REG, start ? 0x10 : 0x00,
+	if ((ret = em28xx_write_reg_bits(dev, USBSUSP_REG, start ? 0x10 : 0x00,
 					  0x10)) < 0)
 		return ret;
 	/* enable video capture */
-	return em2820_write_regs(dev, VINENABLE_REG, start ? "\x67" : "\x27", 1);
+	return em28xx_write_regs(dev, VINENABLE_REG, start ? "\x67" : "\x27", 1);
 }
 
-int em2820_outfmt_set_yuv422(struct em2820 *dev)
+int em28xx_outfmt_set_yuv422(struct em28xx *dev)
 {
-	em2820_write_regs(dev, OUTFMT_REG, "\x34", 1);
-	em2820_write_regs(dev, VINMODE_REG, "\x10", 1);
-	return em2820_write_regs(dev, VINCTRL_REG, "\x11", 1);
+	em28xx_write_regs(dev, OUTFMT_REG, "\x34", 1);
+	em28xx_write_regs(dev, VINMODE_REG, "\x10", 1);
+	return em28xx_write_regs(dev, VINCTRL_REG, "\x11", 1);
 }
 
-int em2820_accumulator_set(struct em2820 *dev, u8 xmin, u8 xmax, u8 ymin,
+int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, u8 ymin,
 				  u8 ymax)
 {
-	em2820_coredbg("em2820 Scale: (%d,%d)-(%d,%d)\n", xmin, ymin, xmax, ymax);
+	em28xx_coredbg("em28xx Scale: (%d,%d)-(%d,%d)\n", xmin, ymin, xmax, ymax);
 
-	em2820_write_regs(dev, XMIN_REG, &xmin, 1);
-	em2820_write_regs(dev, XMAX_REG, &xmax, 1);
-	em2820_write_regs(dev, YMIN_REG, &ymin, 1);
-	return em2820_write_regs(dev, YMAX_REG, &ymax, 1);
+	em28xx_write_regs(dev, XMIN_REG, &xmin, 1);
+	em28xx_write_regs(dev, XMAX_REG, &xmax, 1);
+	em28xx_write_regs(dev, YMIN_REG, &ymin, 1);
+	return em28xx_write_regs(dev, YMAX_REG, &ymax, 1);
 }
 
-int em2820_capture_area_set(struct em2820 *dev, u8 hstart, u8 vstart,
+int em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart,
 				   u16 width, u16 height)
 {
 	u8 cwidth = width;
 	u8 cheight = height;
 	u8 overflow = (height >> 7 & 0x02) | (width >> 8 & 0x01);
 
-	em2820_coredbg("em2820 Area Set: (%d,%d)\n", (width | (overflow & 2) << 7),
+	em28xx_coredbg("em28xx Area Set: (%d,%d)\n", (width | (overflow & 2) << 7),
 			(height | (overflow & 1) << 8));
 
-	em2820_write_regs(dev, HSTART_REG, &hstart, 1);
-	em2820_write_regs(dev, VSTART_REG, &vstart, 1);
-	em2820_write_regs(dev, CWIDTH_REG, &cwidth, 1);
-	em2820_write_regs(dev, CHEIGHT_REG, &cheight, 1);
-	return em2820_write_regs(dev, OFLOW_REG, &overflow, 1);
+	em28xx_write_regs(dev, HSTART_REG, &hstart, 1);
+	em28xx_write_regs(dev, VSTART_REG, &vstart, 1);
+	em28xx_write_regs(dev, CWIDTH_REG, &cwidth, 1);
+	em28xx_write_regs(dev, CHEIGHT_REG, &cheight, 1);
+	return em28xx_write_regs(dev, OFLOW_REG, &overflow, 1);
 }
 
-int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v)
+int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
 {
 	u8 mode;
 	/* the em2800 scaler only supports scaling down to 50% */
@@ -437,34 +437,34 @@ int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v)
 		u8 buf[2];
 		buf[0] = h;
 		buf[1] = h >> 8;
-		em2820_write_regs(dev, HSCALELOW_REG, (char *)buf, 2);
+		em28xx_write_regs(dev, HSCALELOW_REG, (char *)buf, 2);
 		buf[0] = v;
 		buf[1] = v >> 8;
-		em2820_write_regs(dev, VSCALELOW_REG, (char *)buf, 2);
+		em28xx_write_regs(dev, VSCALELOW_REG, (char *)buf, 2);
 		/* it seems that both H and V scalers must be active to work correctly */
 		mode = (h || v)? 0x30: 0x00;
 	}
-	return em2820_write_reg_bits(dev, COMPR_REG, mode, 0x30);
+	return em28xx_write_reg_bits(dev, COMPR_REG, mode, 0x30);
 }
 
 /* FIXME: this only function read values from dev */
-int em2820_resolution_set(struct em2820 *dev)
+int em28xx_resolution_set(struct em28xx *dev)
 {
 	int width, height;
 	width = norm_maxw(dev);
 	height = norm_maxh(dev) >> 1;
 
-	em2820_outfmt_set_yuv422(dev);
-	em2820_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
-	em2820_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
-	return em2820_scaler_set(dev, dev->hscale, dev->vscale);
+	em28xx_outfmt_set_yuv422(dev);
+	em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
+	em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
+	return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
 }
 
 
 /******************* isoc transfer handling ****************************/
 
 #ifdef ENABLE_DEBUG_ISOC_FRAMES
-static void em2820_isoc_dump(struct urb *urb, struct pt_regs *regs)
+static void em28xx_isoc_dump(struct urb *urb, struct pt_regs *regs)
 {
 	int len = 0;
 	int ntrans = 0;
@@ -503,7 +503,7 @@ static void em2820_isoc_dump(struct urb *urb, struct pt_regs *regs)
 }
 #endif
 
-static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f,
+static inline int em28xx_isoc_video(struct em28xx *dev,struct em28xx_frame_t **f,
 				    unsigned long *lock_flags, unsigned char buf)
 {
 	if (!(buf & 0x01)) {
@@ -511,7 +511,7 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
 			/*previous frame is incomplete */
 			if ((*f)->fieldbytesused < dev->field_size) {
 				(*f)->state = F_ERROR;
-				em2820_isocdbg ("dropping incomplete bottom field (%i missing bytes)",
+				em28xx_isocdbg ("dropping incomplete bottom field (%i missing bytes)",
 					 dev->field_size-(*f)->fieldbytesused);
 			} else {
 				(*f)->state = F_DONE;
@@ -524,13 +524,13 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
 			list_move_tail(&(*f)->frame, &dev->outqueue);
 			if (!list_empty(&dev->inqueue))
 				(*f) = list_entry(dev-> inqueue.next,
-			struct em2820_frame_t,frame);
+			struct em28xx_frame_t,frame);
 			else
 				(*f) = NULL;
 			spin_unlock_irqrestore(&dev->queue_lock,*lock_flags);
 		}
 		if (!(*f)) {
-			em2820_isocdbg ("new frame but no buffer is free");
+			em28xx_isocdbg ("new frame but no buffer is free");
 			return -1;
 		}
 		do_gettimeofday(&(*f)->buf.timestamp);
@@ -545,10 +545,10 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
 		if ((*f)->state == F_GRABBING) {
 			if (!(*f)->top_field) {
 				(*f)->state = F_ERROR;
-				em2820_isocdbg ("unexpected begin of bottom field; discarding it");
+				em28xx_isocdbg ("unexpected begin of bottom field; discarding it");
 			} else if ((*f)-> fieldbytesused < dev->field_size - 172) {
 				(*f)->state = F_ERROR;
-				em2820_isocdbg ("dropping incomplete top field (%i missing bytes)",
+				em28xx_isocdbg ("dropping incomplete top field (%i missing bytes)",
 					 dev->field_size-(*f)->fieldbytesused);
 			} else {
 				(*f)->top_field = 0;
@@ -559,14 +559,14 @@ static inline int em2820_isoc_video(struct em2820 *dev,struct em2820_frame_t **f
 	return (0);
 }
 
-static inline void em2820_isoc_video_copy(struct em2820 *dev,
-					  struct em2820_frame_t **f, unsigned char *buf, int len)
+static inline void em28xx_isoc_video_copy(struct em28xx *dev,
+					  struct em28xx_frame_t **f, unsigned char *buf, int len)
 {
 	void *fieldstart, *startwrite, *startread;
 	int linesdone, currlinedone, offset, lencopy,remain;
 
 	if(dev->frame_size != (*f)->buf.length){
-		em2820_err("frame_size %i and buf.length %i are different!!!\n",dev->frame_size,(*f)->buf.length);
+		em28xx_err("frame_size %i and buf.length %i are different!!!\n",dev->frame_size,(*f)->buf.length);
 		return;
 	}
 
@@ -574,7 +574,7 @@ static inline void em2820_isoc_video_copy(struct em2820 *dev,
 		len =dev->field_size - (*f)->fieldbytesused;
 
 	if (buf[0] != 0x88 && buf[0] != 0x22) {
-		em2820_isocdbg("frame is not complete\n");
+		em28xx_isocdbg("frame is not complete\n");
 		startread = buf;
 		len+=4;
 	} else
@@ -613,21 +613,21 @@ static inline void em2820_isoc_video_copy(struct em2820 *dev,
 }
 
 /*
- * em2820_isoIrq()
+ * em28xx_isoIrq()
  * handles the incoming isoc urbs and fills the frames from our inqueue
  */
-void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
+void em28xx_isocIrq(struct urb *urb, struct pt_regs *regs)
 {
-	struct em2820 *dev = urb->context;
+	struct em28xx *dev = urb->context;
 	int i, status;
-	struct em2820_frame_t **f;
+	struct em28xx_frame_t **f;
 	unsigned long lock_flags;
 
 	if (!dev)
 		return;
 #ifdef ENABLE_DEBUG_ISOC_FRAMES
 	if (isoc_debug>1)
-		em2820_isoc_dump(urb, regs);
+		em28xx_isoc_dump(urb, regs);
 #endif
 
 	if (urb->status == -ENOENT)
@@ -639,7 +639,7 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
 		dev->stream = STREAM_OFF;
 		if ((*f))
 			(*f)->state = F_QUEUED;
-		em2820_isocdbg("stream interrupted");
+		em28xx_isocdbg("stream interrupted");
 		wake_up_interruptible(&dev->wait_stream);
 	}
 
@@ -649,7 +649,7 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
 	if (dev->stream == STREAM_ON && !list_empty(&dev->inqueue)) {
 		if (!(*f))
 			(*f) = list_entry(dev->inqueue.next,
-		struct em2820_frame_t, frame);
+		struct em28xx_frame_t, frame);
 
 		for (i = 0; i < urb->number_of_packets; i++) {
 			unsigned char *buf = urb->transfer_buffer +
@@ -657,34 +657,34 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
 			int len = urb->iso_frame_desc[i].actual_length - 4;
 
 			if (urb->iso_frame_desc[i].status) {
-				em2820_isocdbg("data error: [%d] len=%d, status=%d", i,
+				em28xx_isocdbg("data error: [%d] len=%d, status=%d", i,
 					urb->iso_frame_desc[i].actual_length,
 					urb->iso_frame_desc[i].status);
 				if (urb->iso_frame_desc[i].status != -EPROTO)
 					continue;
 			}
 			if (urb->iso_frame_desc[i].actual_length <= 0) {
-				em2820_isocdbg("packet %d is empty",i);
+				em28xx_isocdbg("packet %d is empty",i);
 				continue;
 			}
 			if (urb->iso_frame_desc[i].actual_length >
 						 dev->max_pkt_size) {
-				em2820_isocdbg("packet bigger than packet size");
+				em28xx_isocdbg("packet bigger than packet size");
 				continue;
 			}
 			/*new frame */
 			if (buf[0] == 0x22 && buf[1] == 0x5a) {
-				em2820_isocdbg("Video frame, length=%i!",len);
+				em28xx_isocdbg("Video frame, length=%i!",len);
 
-				if (em2820_isoc_video(dev,f,&lock_flags,buf[2]))
+				if (em28xx_isoc_video(dev,f,&lock_flags,buf[2]))
 				break;
 			} else if (buf[0]==0x33 && buf[1]==0x95 && buf[2]==0x00) {
-				em2820_isocdbg("VBI HEADER!!!");
+				em28xx_isocdbg("VBI HEADER!!!");
 			}
 
 			/* actual copying */
 			if ((*f)->state == F_GRABBING) {
-				em2820_isoc_video_copy(dev,f,buf, len);
+				em28xx_isoc_video_copy(dev,f,buf, len);
 			}
 		}
 	}
@@ -696,7 +696,7 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
 
 	urb->status = 0;
 	if ((status = usb_submit_urb(urb, GFP_ATOMIC))) {
-		em2820_errdev("resubmit of urb failed (error=%i)\n", status);
+		em28xx_errdev("resubmit of urb failed (error=%i)\n", status);
 		dev->state |= DEV_MISCONFIGURED;
 	}
 	wake_up_interruptible(&dev->wait_frame);
@@ -704,58 +704,58 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs)
 }
 
 /*
- * em2820_uninit_isoc()
- * deallocates the buffers and urbs allocated during em2820_init_iosc()
+ * em28xx_uninit_isoc()
+ * deallocates the buffers and urbs allocated during em28xx_init_iosc()
  */
-void em2820_uninit_isoc(struct em2820 *dev)
+void em28xx_uninit_isoc(struct em28xx *dev)
 {
 	int i;
 
-	for (i = 0; i < EM2820_NUM_BUFS; i++) {
+	for (i = 0; i < EM28XX_NUM_BUFS; i++) {
 		if (dev->urb[i]) {
 			usb_kill_urb(dev->urb[i]);
 			if (dev->transfer_buffer[i]){
-				usb_buffer_free(dev->udev,(EM2820_NUM_PACKETS*dev->max_pkt_size),dev->transfer_buffer[i],dev->urb[i]->transfer_dma);
+				usb_buffer_free(dev->udev,(EM28XX_NUM_PACKETS*dev->max_pkt_size),dev->transfer_buffer[i],dev->urb[i]->transfer_dma);
 			}
 			usb_free_urb(dev->urb[i]);
 		}
 		dev->urb[i] = NULL;
 		dev->transfer_buffer[i] = NULL;
 	}
-	em2820_capture_start(dev, 0);
+	em28xx_capture_start(dev, 0);
 }
 
 /*
- * em2820_init_isoc()
+ * em28xx_init_isoc()
  * allocates transfer buffers and submits the urbs for isoc transfer
  */
-int em2820_init_isoc(struct em2820 *dev)
+int em28xx_init_isoc(struct em28xx *dev)
 {
 	/* change interface to 3 which allowes the biggest packet sizes */
 	int i, errCode;
-	const int sb_size = EM2820_NUM_PACKETS * dev->max_pkt_size;
+	const int sb_size = EM28XX_NUM_PACKETS * dev->max_pkt_size;
 
 	/* reset streaming vars */
 	dev->frame_current = NULL;
 	dev->frame_count = 0;
 
 	/* allocate urbs */
-	for (i = 0; i < EM2820_NUM_BUFS; i++) {
+	for (i = 0; i < EM28XX_NUM_BUFS; i++) {
 		struct urb *urb;
 		int j, k;
 		/* allocate transfer buffer */
-		urb = usb_alloc_urb(EM2820_NUM_PACKETS, GFP_KERNEL);
+		urb = usb_alloc_urb(EM28XX_NUM_PACKETS, GFP_KERNEL);
 		if (!urb){
-			em2820_errdev("cannot alloc urb %i\n", i);
-			em2820_uninit_isoc(dev);
+			em28xx_errdev("cannot alloc urb %i\n", i);
+			em28xx_uninit_isoc(dev);
 			return -ENOMEM;
 		}
 		dev->transfer_buffer[i] = usb_buffer_alloc(dev->udev, sb_size, GFP_KERNEL,&urb->transfer_dma);
 		if (!dev->transfer_buffer[i]) {
-			em2820_errdev
+			em28xx_errdev
 					("unable to allocate %i bytes for transfer buffer %i\n",
 					 sb_size, i);
-			em2820_uninit_isoc(dev);
+			em28xx_uninit_isoc(dev);
 			return -ENOMEM;
 		}
 		memset(dev->transfer_buffer[i], 0, sb_size);
@@ -765,10 +765,10 @@ int em2820_init_isoc(struct em2820 *dev)
 		urb->transfer_flags = URB_ISO_ASAP;
 		urb->interval = 1;
 		urb->transfer_buffer = dev->transfer_buffer[i];
-		urb->complete = em2820_isocIrq;
-		urb->number_of_packets = EM2820_NUM_PACKETS;
+		urb->complete = em28xx_isocIrq;
+		urb->number_of_packets = EM28XX_NUM_PACKETS;
 		urb->transfer_buffer_length = sb_size;
-		for (j = k = 0; j < EM2820_NUM_PACKETS;
+		for (j = k = 0; j < EM28XX_NUM_PACKETS;
 				j++, k += dev->max_pkt_size) {
 			urb->iso_frame_desc[j].offset = k;
 			urb->iso_frame_desc[j].length =
@@ -778,12 +778,12 @@ int em2820_init_isoc(struct em2820 *dev)
 	}
 
 	/* submit urbs */
-	for (i = 0; i < EM2820_NUM_BUFS; i++) {
+	for (i = 0; i < EM28XX_NUM_BUFS; i++) {
 		errCode = usb_submit_urb(dev->urb[i], GFP_KERNEL);
 		if (errCode) {
-			em2820_errdev("submit of urb %i failed (error=%i)\n", i,
+			em28xx_errdev("submit of urb %i failed (error=%i)\n", i,
 				      errCode);
-			em2820_uninit_isoc(dev);
+			em28xx_uninit_isoc(dev);
 			return errCode;
 		}
 	}
@@ -791,21 +791,21 @@ int em2820_init_isoc(struct em2820 *dev)
 	return 0;
 }
 
-int em2820_set_alternate(struct em2820 *dev)
+int em28xx_set_alternate(struct em28xx *dev)
 {
 	int errCode, prev_alt = dev->alt;
 	dev->alt = alt;
 	if (dev->alt == 0) {
 		int i;
 		if(dev->is_em2800){ /* always use the max packet size for em2800 based devices */
-			for(i=0;i< EM2820_MAX_ALT; i++)
+			for(i=0;i< EM28XX_MAX_ALT; i++)
 				if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->alt])
 					dev->alt=i;
 		}else{
 		unsigned int min_pkt_size = dev->field_size / 137;	/* FIXME: empiric magic number */
-		em2820_coredbg("minimum isoc packet size: %u", min_pkt_size);
+		em28xx_coredbg("minimum isoc packet size: %u", min_pkt_size);
 		dev->alt = 7;
-		for (i = 1; i < EM2820_MAX_ALT; i += 2)	/* FIXME: skip even alternate: why do they not work? */
+		for (i = 1; i < EM28XX_MAX_ALT; i += 2)	/* FIXME: skip even alternate: why do they not work? */
 			if (dev->alt_max_pkt_size[i] >= min_pkt_size) {
 			dev->alt = i;
 			break;
@@ -815,11 +815,11 @@ int em2820_set_alternate(struct em2820 *dev)
 
 	if (dev->alt != prev_alt) {
 		dev->max_pkt_size = dev->alt_max_pkt_size[dev->alt];
-		em2820_coredbg("setting alternate %d with wMaxPacketSize=%u", dev->alt,
+		em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u", dev->alt,
 		       dev->max_pkt_size);
 		errCode = usb_set_interface(dev->udev, 0, dev->alt);
 		if (errCode < 0) {
-			em2820_errdev
+			em28xx_errdev
 					("cannot change alternate number to %d (error=%i)\n",
 					 dev->alt, errCode);
 			return errCode;
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index a62e66bd65f91c..b32d9852f34c55 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -50,7 +50,7 @@ MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
  * em2800_i2c_send_max4()
  * send up to 4 bytes to the i2c device
  */
-static int em2800_i2c_send_max4(struct em2820 *dev, unsigned char addr,
+static int em2800_i2c_send_max4(struct em28xx *dev, unsigned char addr,
 				char *buf, int len)
 {
 	int ret;
@@ -67,19 +67,19 @@ static int em2800_i2c_send_max4(struct em2820 *dev, unsigned char addr,
 	if (len > 3)
 		b2[0] = buf[3];
 
-	ret = dev->em2820_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
+	ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);
 	if (ret != 2 + len) {
-		em2820_warn("writting to i2c device failed (error=%i)\n", ret);
+		em28xx_warn("writting to i2c device failed (error=%i)\n", ret);
 		return -EIO;
 	}
 	for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
 	     write_timeout -= 5) {
-		ret = dev->em2820_read_reg(dev, 0x05);
+		ret = dev->em28xx_read_reg(dev, 0x05);
 		if (ret == 0x80 + len - 1)
 			return len;
 		mdelay(5);
 	}
-	em2820_warn("i2c write timed out\n");
+	em28xx_warn("i2c write timed out\n");
 	return -EIO;
 }
 
@@ -94,7 +94,7 @@ static int em2800_i2c_send_bytes(void *data, unsigned char addr, char *buf,
 	int wrcount = 0;
 	int count;
 	int maxLen = 4;
-	struct em2820 *dev = (struct em2820 *)data;
+	struct em28xx *dev = (struct em28xx *)data;
 	while (len > 0) {
 		count = (len > maxLen) ? maxLen : len;
 		ret = em2800_i2c_send_max4(dev, addr, bufPtr, count);
@@ -112,27 +112,27 @@ static int em2800_i2c_send_bytes(void *data, unsigned char addr, char *buf,
  * em2800_i2c_check_for_device()
  * check if there is a i2c_device at the supplied address
  */
-static int em2800_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
+static int em2800_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
 {
 	char msg;
 	int ret;
 	int write_timeout;
 	msg = addr;
-	ret = dev->em2820_write_regs(dev, 0x04, &msg, 1);
+	ret = dev->em28xx_write_regs(dev, 0x04, &msg, 1);
 	if (ret < 0) {
-		em2820_warn("setting i2c device address failed (error=%i)\n",
+		em28xx_warn("setting i2c device address failed (error=%i)\n",
 			    ret);
 		return ret;
 	}
 	msg = 0x84;
-	ret = dev->em2820_write_regs(dev, 0x05, &msg, 1);
+	ret = dev->em28xx_write_regs(dev, 0x05, &msg, 1);
 	if (ret < 0) {
-		em2820_warn("preparing i2c read failed (error=%i)\n", ret);
+		em28xx_warn("preparing i2c read failed (error=%i)\n", ret);
 		return ret;
 	}
 	for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0;
 	     write_timeout -= 5) {
-		unsigned msg = dev->em2820_read_reg(dev, 0x5);
+		unsigned msg = dev->em28xx_read_reg(dev, 0x5);
 		if (msg == 0x94)
 			return -ENODEV;
 		else if (msg == 0x84)
@@ -146,21 +146,21 @@ static int em2800_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
  * em2800_i2c_recv_bytes()
  * read from the i2c device
  */
-static int em2800_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
+static int em2800_i2c_recv_bytes(struct em28xx *dev, unsigned char addr,
 				 char *buf, int len)
 {
 	int ret;
 	/* check for the device and set i2c read address */
 	ret = em2800_i2c_check_for_device(dev, addr);
 	if (ret) {
-		em2820_warn
+		em28xx_warn
 		    ("preparing read at i2c address 0x%x failed (error=%i)\n",
 		     addr, ret);
 		return ret;
 	}
-	ret = dev->em2820_read_reg_req_len(dev, 0x0, 0x3, buf, len);
+	ret = dev->em28xx_read_reg_req_len(dev, 0x0, 0x3, buf, len);
 	if (ret < 0) {
-		em2820_warn("reading from i2c device at 0x%x failed (error=%i)",
+		em28xx_warn("reading from i2c device at 0x%x failed (error=%i)",
 			    addr, ret);
 		return ret;
 	}
@@ -168,66 +168,66 @@ static int em2800_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
 }
 
 /*
- * em2820_i2c_send_bytes()
+ * em28xx_i2c_send_bytes()
  * untested for more than 4 bytes
  */
-static int em2820_i2c_send_bytes(void *data, unsigned char addr, char *buf,
+static int em28xx_i2c_send_bytes(void *data, unsigned char addr, char *buf,
 				 short len, int stop)
 {
 	int wrcount = 0;
-	struct em2820 *dev = (struct em2820 *)data;
+	struct em28xx *dev = (struct em28xx *)data;
 
-	wrcount = dev->em2820_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
+	wrcount = dev->em28xx_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);
 
 	return wrcount;
 }
 
 /*
- * em2820_i2c_recv_bytes()
+ * em28xx_i2c_recv_bytes()
  * read a byte from the i2c device
  */
-static int em2820_i2c_recv_bytes(struct em2820 *dev, unsigned char addr,
+static int em28xx_i2c_recv_bytes(struct em28xx *dev, unsigned char addr,
 				 char *buf, int len)
 {
 	int ret;
-	ret = dev->em2820_read_reg_req_len(dev, 2, addr, buf, len);
+	ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len);
 	if (ret < 0) {
-		em2820_warn("reading i2c device failed (error=%i)\n", ret);
+		em28xx_warn("reading i2c device failed (error=%i)\n", ret);
 		return ret;
 	}
-	if (dev->em2820_read_reg(dev, 0x5) != 0)
+	if (dev->em28xx_read_reg(dev, 0x5) != 0)
 		return -ENODEV;
 	return ret;
 }
 
 /*
- * em2820_i2c_check_for_device()
+ * em28xx_i2c_check_for_device()
  * check if there is a i2c_device at the supplied address
  */
-static int em2820_i2c_check_for_device(struct em2820 *dev, unsigned char addr)
+static int em28xx_i2c_check_for_device(struct em28xx *dev, unsigned char addr)
 {
 	char msg;
 	int ret;
 	msg = addr;
 
-	ret = dev->em2820_read_reg_req(dev, 2, addr);
+	ret = dev->em28xx_read_reg_req(dev, 2, addr);
 	if (ret < 0) {
-		em2820_warn("reading from i2c device failed (error=%i)\n", ret);
+		em28xx_warn("reading from i2c device failed (error=%i)\n", ret);
 		return ret;
 	}
-	if (dev->em2820_read_reg(dev, 0x5) != 0)
+	if (dev->em28xx_read_reg(dev, 0x5) != 0)
 		return -ENODEV;
 	return 0;
 }
 
 /*
- * em2820_i2c_xfer()
+ * em28xx_i2c_xfer()
  * the main i2c transfer function
  */
-static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
+static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap,
 			   struct i2c_msg msgs[], int num)
 {
-	struct em2820 *dev = i2c_adap->algo_data;
+	struct em28xx *dev = i2c_adap->algo_data;
 	int addr, rc, i, byte;
 
 	if (num <= 0)
@@ -241,7 +241,7 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
 			if (dev->is_em2800)
 				rc = em2800_i2c_check_for_device(dev, addr);
 			else
-				rc = em2820_i2c_check_for_device(dev, addr);
+				rc = em28xx_i2c_check_for_device(dev, addr);
 			if (rc < 0) {
 				dprintk2(2," no device\n");
 				return rc;
@@ -254,7 +254,7 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
 							   msgs[i].buf,
 							   msgs[i].len);
 			else
-				rc = em2820_i2c_recv_bytes(dev, addr,
+				rc = em28xx_i2c_recv_bytes(dev, addr,
 							   msgs[i].buf,
 							   msgs[i].len);
 			if (i2c_debug>=2) {
@@ -273,7 +273,7 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
 							   msgs[i].buf,
 							   msgs[i].len);
 			else
-				rc = em2820_i2c_send_bytes(dev, addr,
+				rc = em28xx_i2c_send_bytes(dev, addr,
 							   msgs[i].buf,
 							   msgs[i].len,
 							   i == num - 1);
@@ -290,10 +290,10 @@ static int em2820_i2c_xfer(struct i2c_adapter *i2c_adap,
 	return rc;
 }
 
-static int em2820_i2c_eeprom(struct em2820 *dev, unsigned char *eedata, int len)
+static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
 {
 	unsigned char buf, *p = eedata;
-	struct em2820_eeprom *em_eeprom = (void *)eedata;
+	struct em28xx_eeprom *em_eeprom = (void *)eedata;
 	int i, err, size = len, block;
 
 	dev->i2c_client.addr = 0xa0 >> 1;
@@ -410,9 +410,9 @@ static void dec_use(struct i2c_adapter *adap)
 }
 #endif
 
-static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
+static int em28xx_set_tuner(int check_eeprom, struct i2c_client *client)
 {
-	struct em2820 *dev = client->adapter->algo_data;
+	struct em28xx *dev = client->adapter->algo_data;
 	struct tuner_setup tun_setup;
 
 	if (dev->has_tuner) {
@@ -420,7 +420,7 @@ static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
 		tun_setup.type = dev->tuner_type;
 		tun_setup.addr = dev->tuner_addr;
 
-		em2820_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
+		em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
 	}
 
 	return (0);
@@ -433,11 +433,11 @@ static int em2820_set_tuner(int check_eeprom, struct i2c_client *client)
  */
 static int attach_inform(struct i2c_client *client)
 {
-	struct em2820 *dev = client->adapter->algo_data;
+	struct em28xx *dev = client->adapter->algo_data;
 
 	switch (client->addr << 1) {
 		case 0x86:
-			em2820_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
+			em28xx_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
 			break;
 		case 0x42:
 			dprintk1(1,"attach_inform: saa7114 detected.\n");
@@ -453,7 +453,7 @@ static int attach_inform(struct i2c_client *client)
 		{
 			struct IR_i2c *ir = i2c_get_clientdata(client);
 			dprintk1(1,"attach_inform: IR detected (%s).\n",ir->phys);
-			em2820_set_ir(dev,ir);
+			em28xx_set_ir(dev,ir);
 			break;
 		}
 		case 0x80:
@@ -467,19 +467,19 @@ static int attach_inform(struct i2c_client *client)
 		default:
 			dprintk1(1,"attach inform: detected I2C address %x\n", client->addr << 1);
 			dev->tuner_addr = client->addr;
-			em2820_set_tuner(-1, client);
+			em28xx_set_tuner(-1, client);
 	}
 
 	return 0;
 }
 
-static struct i2c_algorithm em2820_algo = {
-	.master_xfer   = em2820_i2c_xfer,
+static struct i2c_algorithm em28xx_algo = {
+	.master_xfer   = em28xx_i2c_xfer,
 	.algo_control  = algo_control,
 	.functionality = functionality,
 };
 
-static struct i2c_adapter em2820_adap_template = {
+static struct i2c_adapter em28xx_adap_template = {
 #ifdef I2C_PEC
 	.owner = THIS_MODULE,
 #else
@@ -489,14 +489,14 @@ static struct i2c_adapter em2820_adap_template = {
 #ifdef I2C_CLASS_TV_ANALOG
 	.class = I2C_CLASS_TV_ANALOG,
 #endif
-	.name = "em2820",
-	.id = I2C_HW_B_EM2820,
-	.algo = &em2820_algo,
+	.name = "em28xx",
+	.id = I2C_HW_B_EM28XX,
+	.algo = &em28xx_algo,
 	.client_register = attach_inform,
 };
 
-static struct i2c_client em2820_client_template = {
-	.name = "em2820 internal",
+static struct i2c_client em28xx_client_template = {
+	.name = "em28xx internal",
 	.flags = I2C_CLIENT_ALLOW_USE,
 };
 
@@ -542,33 +542,33 @@ static void do_i2c_scan(char *name, struct i2c_client *c)
 }
 
 /*
- * em2820_i2c_call_clients()
+ * em28xx_i2c_call_clients()
  * send commands to all attached i2c devices
  */
-void em2820_i2c_call_clients(struct em2820 *dev, unsigned int cmd, void *arg)
+void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg)
 {
 	BUG_ON(NULL == dev->i2c_adap.algo_data);
 	i2c_clients_command(&dev->i2c_adap, cmd, arg);
 }
 
 /*
- * em2820_i2c_register()
+ * em28xx_i2c_register()
  * register i2c bus
  */
-int em2820_i2c_register(struct em2820 *dev)
+int em28xx_i2c_register(struct em28xx *dev)
 {
-	BUG_ON(!dev->em2820_write_regs || !dev->em2820_read_reg);
-	BUG_ON(!dev->em2820_write_regs_req || !dev->em2820_read_reg_req);
-	dev->i2c_adap = em2820_adap_template;
+	BUG_ON(!dev->em28xx_write_regs || !dev->em28xx_read_reg);
+	BUG_ON(!dev->em28xx_write_regs_req || !dev->em28xx_read_reg_req);
+	dev->i2c_adap = em28xx_adap_template;
 	dev->i2c_adap.dev.parent = &dev->udev->dev;
 	strcpy(dev->i2c_adap.name, dev->name);
 	dev->i2c_adap.algo_data = dev;
 	i2c_add_adapter(&dev->i2c_adap);
 
-	dev->i2c_client = em2820_client_template;
+	dev->i2c_client = em28xx_client_template;
 	dev->i2c_client.adapter = &dev->i2c_adap;
 
-	em2820_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
+	em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
 
 	if (i2c_scan)
 		do_i2c_scan(dev->name, &dev->i2c_client);
@@ -576,10 +576,10 @@ int em2820_i2c_register(struct em2820 *dev)
 }
 
 /*
- * em2820_i2c_unregister()
+ * em28xx_i2c_unregister()
  * unregister i2c_bus
  */
-int em2820_i2c_unregister(struct em2820 *dev)
+int em28xx_i2c_unregister(struct em28xx *dev)
 {
 	i2c_del_adapter(&dev->i2c_adap);
 	return 0;
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index be7ba9b24d0d5b..32c49df58adc14 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -142,7 +142,7 @@ static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
 }
 
 /* ----------------------------------------------------------------------- */
-void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir)
+void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir)
 {
 	if (disable_ir) {
 		ir->get_key=NULL;
@@ -159,7 +159,7 @@ void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir)
 	case (EM2820_BOARD_TERRATEC_CINERGY_250):
 		ir->ir_codes = ir_codes_em_terratec;
 		ir->get_key = get_key_terratec;
-		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2820 Terratec)");
+		snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM28XX Terratec)");
 		break;
 	case (EM2820_BOARD_PINNACLE_USB_2):
 		break;
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 5ae896a1dcf6ef..f6acce820791fd 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -28,6 +28,7 @@
 #include <linux/usb.h>
 #include <linux/i2c.h>
 #include <linux/video_decoder.h>
+#include <linux/utsname.h>
 
 #include "em28xx.h"
 #include <media/tuner.h>
@@ -39,9 +40,9 @@
 
 #define DRIVER_NAME         "em28xx"
 #define DRIVER_DESC         "Empia em28xx based USB video device driver"
-#define EM2820_VERSION_CODE  KERNEL_VERSION(0, 0, 1)
+#define EM28XX_VERSION_CODE  KERNEL_VERSION(0, 0, 1)
 
-#define em2820_videodbg(fmt, arg...) do {\
+#define em28xx_videodbg(fmt, arg...) do {\
 	if (video_debug) \
 		printk(KERN_INFO "%s %s :"fmt, \
 			 dev->name, __FUNCTION__ , ##arg); } while (0)
@@ -50,9 +51,9 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 
-static LIST_HEAD(em2820_devlist);
+static LIST_HEAD(em28xx_devlist);
 
-static unsigned int card[]  = {[0 ... (EM2820_MAXBOARDS - 1)] = UNSET };
+static unsigned int card[]  = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
 
 module_param_array(card,  int, NULL, 0444);
 MODULE_PARM_DESC(card,"card type");
@@ -66,7 +67,7 @@ module_param(video_debug,int,0644);
 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
 
 /* supported tv norms */
-static struct em2820_tvnorm tvnorms[] = {
+static struct em28xx_tvnorm tvnorms[] = {
 	{
 		.name = "PAL",
 		.id = V4L2_STD_PAL,
@@ -106,7 +107,7 @@ static const unsigned char saa7114_i2c_init[] = {
 #define TVNORMS ARRAY_SIZE(tvnorms)
 
 /* supported controls */
-static struct v4l2_queryctrl em2820_qctrl[] = {
+static struct v4l2_queryctrl em28xx_qctrl[] = {
 	{
 		.id = V4L2_CID_BRIGHTNESS,
 		.type = V4L2_CTRL_TYPE_INTEGER,
@@ -182,10 +183,10 @@ static struct v4l2_queryctrl em2820_qctrl[] = {
 	 }
 };
 
-static struct usb_driver em2820_usb_driver;
+static struct usb_driver em28xx_usb_driver;
 
-static DECLARE_MUTEX(em2820_sysfs_lock);
-static DECLARE_RWSEM(em2820_disconnect);
+static DECLARE_MUTEX(em28xx_sysfs_lock);
+static DECLARE_RWSEM(em28xx_disconnect);
 
 /*********************  v4l2 interface  ******************************************/
 
@@ -200,95 +201,95 @@ static inline unsigned long kvirt_to_pa(unsigned long adr)
 }
 
 /*
- * em2820_config()
+ * em28xx_config()
  * inits registers with sane defaults
  */
-static int em2820_config(struct em2820 *dev)
+static int em28xx_config(struct em28xx *dev)
 {
 
 	/* Sets I2C speed to 100 KHz */
-	em2820_write_regs_req(dev, 0x00, 0x06, "\x40", 1);
+	em28xx_write_regs_req(dev, 0x00, 0x06, "\x40", 1);
 
 	/* enable vbi capturing */
-	em2820_audio_usb_mute(dev, 1);
+	em28xx_audio_usb_mute(dev, 1);
 	dev->mute = 1;		/* maybe not the right place... */
 	dev->volume = 0x1f;
-	em2820_audio_analog_set(dev);
-	em2820_audio_analog_setup(dev);
-	em2820_outfmt_set_yuv422(dev);
-	em2820_colorlevels_set_default(dev);
-	em2820_compression_disable(dev);
+	em28xx_audio_analog_set(dev);
+	em28xx_audio_analog_setup(dev);
+	em28xx_outfmt_set_yuv422(dev);
+	em28xx_colorlevels_set_default(dev);
+	em28xx_compression_disable(dev);
 
 	return 0;
 }
 
 /*
- * em2820_config_i2c()
+ * em28xx_config_i2c()
  * configure i2c attached devices
  */
-void em2820_config_i2c(struct em2820 *dev)
+void em28xx_config_i2c(struct em28xx *dev)
 {
 	struct v4l2_frequency f;
-	struct video_decoder_init em2820_vdi = {.data = NULL };
+	struct video_decoder_init em28xx_vdi = {.data = NULL };
 
 
 	/* configure decoder */
 	if(dev->model == EM2820_BOARD_MSI_VOX_USB_2){
-		em2820_vdi.data=saa7114_i2c_init;
-		em2820_vdi.len=sizeof(saa7114_i2c_init);
+		em28xx_vdi.data=saa7114_i2c_init;
+		em28xx_vdi.len=sizeof(saa7114_i2c_init);
 	}
 
 
-	em2820_i2c_call_clients(dev, DECODER_INIT, &em2820_vdi);
-	em2820_i2c_call_clients(dev, DECODER_SET_INPUT, &dev->ctl_input);
-/*	em2820_i2c_call_clients(dev,DECODER_SET_PICTURE, &dev->vpic); */
-/*	em2820_i2c_call_clients(dev,DECODER_SET_NORM,&dev->tvnorm->id); */
-/*	em2820_i2c_call_clients(dev,DECODER_ENABLE_OUTPUT,&output); */
-/*	em2820_i2c_call_clients(dev,DECODER_DUMP, NULL); */
+	em28xx_i2c_call_clients(dev, DECODER_INIT, &em28xx_vdi);
+	em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &dev->ctl_input);
+/*	em28xx_i2c_call_clients(dev,DECODER_SET_PICTURE, &dev->vpic); */
+/*	em28xx_i2c_call_clients(dev,DECODER_SET_NORM,&dev->tvnorm->id); */
+/*	em28xx_i2c_call_clients(dev,DECODER_ENABLE_OUTPUT,&output); */
+/*	em28xx_i2c_call_clients(dev,DECODER_DUMP, NULL); */
 
 	/* configure tuner */
 	f.tuner = 0;
 	f.type = V4L2_TUNER_ANALOG_TV;
 	f.frequency = 9076;	/* FIXME:remove magic number */
 	dev->ctl_freq = f.frequency;
-	em2820_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
+	em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
 
 	/* configure tda9887 */
 
 
-/*	em2820_i2c_call_clients(dev,VIDIOC_S_STD,&dev->tvnorm->id); */
+/*	em28xx_i2c_call_clients(dev,VIDIOC_S_STD,&dev->tvnorm->id); */
 }
 
 /*
- * em2820_empty_framequeues()
+ * em28xx_empty_framequeues()
  * prepare queues for incoming and outgoing frames
  */
-static void em2820_empty_framequeues(struct em2820 *dev)
+static void em28xx_empty_framequeues(struct em28xx *dev)
 {
 	u32 i;
 
 	INIT_LIST_HEAD(&dev->inqueue);
 	INIT_LIST_HEAD(&dev->outqueue);
 
-	for (i = 0; i < EM2820_NUM_FRAMES; i++) {
+	for (i = 0; i < EM28XX_NUM_FRAMES; i++) {
 		dev->frame[i].state = F_UNUSED;
 		dev->frame[i].buf.bytesused = 0;
 	}
 }
 
 /*
- * em2820_v4l2_open()
+ * em28xx_v4l2_open()
  * inits the device and starts isoc transfer
  */
-static int em2820_v4l2_open(struct inode *inode, struct file *filp)
+static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
 {
 	int minor = iminor(inode);
 	int errCode = 0;
-	struct em2820 *h,*dev = NULL;
+	struct em28xx *h,*dev = NULL;
 	struct list_head *list;
 
-	list_for_each(list,&em2820_devlist) {
-		h = list_entry(list, struct em2820, devlist);
+	list_for_each(list,&em28xx_devlist) {
+		h = list_entry(list, struct em28xx, devlist);
 		if (h->vdev->minor == minor) {
 			dev  = h;
 		}
@@ -297,14 +298,14 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
 	filp->private_data=dev;
 
 
-	em2820_videodbg("users=%d", dev->users);
+	em28xx_videodbg("users=%d", dev->users);
 
-	if (!down_read_trylock(&em2820_disconnect))
+	if (!down_read_trylock(&em28xx_disconnect))
 		return -ERESTARTSYS;
 
 	if (dev->users) {
-		em2820_warn("this driver can be opened only once\n");
-		up_read(&em2820_disconnect);
+		em28xx_warn("this driver can be opened only once\n");
+		up_read(&em28xx_disconnect);
 		return -EBUSY;
 	}
 
@@ -322,7 +323,7 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
 
 	down(&dev->lock);
 
-	em2820_set_alternate(dev);
+	em28xx_set_alternate(dev);
 
 	dev->width = norm_maxw(dev);
 	dev->height = norm_maxh(dev);
@@ -332,11 +333,11 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
 	dev->hscale = 0;
 	dev->vscale = 0;
 
-	em2820_capture_start(dev, 1);
-	em2820_resolution_set(dev);
+	em28xx_capture_start(dev, 1);
+	em28xx_resolution_set(dev);
 
 	/* start the transfer */
-	errCode = em2820_init_isoc(dev);
+	errCode = em28xx_init_isoc(dev);
 	if (errCode)
 		goto err;
 
@@ -347,55 +348,55 @@ static int em2820_v4l2_open(struct inode *inode, struct file *filp)
 	dev->num_frames = 0;
 
 	/* prepare queues */
-	em2820_empty_framequeues(dev);
+	em28xx_empty_framequeues(dev);
 
 	dev->state |= DEV_INITIALIZED;
 
       err:
 	up(&dev->lock);
-	up_read(&em2820_disconnect);
+	up_read(&em28xx_disconnect);
 	return errCode;
 }
 
 /*
- * em2820_realease_resources()
+ * em28xx_realease_resources()
  * unregisters the v4l2,i2c and usb devices
  * called when the device gets disconected or at module unload
 */
-static void em2820_release_resources(struct em2820 *dev)
+static void em28xx_release_resources(struct em28xx *dev)
 {
-	down(&em2820_sysfs_lock);
+	down(&em28xx_sysfs_lock);
 
-	em2820_info("V4L2 device /dev/video%d deregistered\n",
+	em28xx_info("V4L2 device /dev/video%d deregistered\n",
 		    dev->vdev->minor);
 	list_del(&dev->devlist);
 	video_unregister_device(dev->vdev);
 /*	video_unregister_device(dev->vbi_dev); */
-	em2820_i2c_unregister(dev);
+	em28xx_i2c_unregister(dev);
 	usb_put_dev(dev->udev);
-	up(&em2820_sysfs_lock);
+	up(&em28xx_sysfs_lock);
 }
 
 /*
- * em2820_v4l2_close()
+ * em28xx_v4l2_close()
  * stops streaming and deallocates all resources allocated by the v4l2 calls and ioctls
  */
-static int em2820_v4l2_close(struct inode *inode, struct file *filp)
+static int em28xx_v4l2_close(struct inode *inode, struct file *filp)
 {
 	int errCode;
-	struct em2820 *dev=filp->private_data;
+	struct em28xx *dev=filp->private_data;
 
-	em2820_videodbg("users=%d", dev->users);
+	em28xx_videodbg("users=%d", dev->users);
 
 	down(&dev->lock);
 
-	em2820_uninit_isoc(dev);
+	em28xx_uninit_isoc(dev);
 
-	em2820_release_buffers(dev);
+	em28xx_release_buffers(dev);
 
 	/* the device is already disconnect, free the remaining resources */
 	if (dev->state & DEV_DISCONNECTED) {
-		em2820_release_resources(dev);
+		em28xx_release_resources(dev);
 		up(&dev->lock);
 		kfree(dev);
 		return 0;
@@ -403,10 +404,10 @@ static int em2820_v4l2_close(struct inode *inode, struct file *filp)
 
 	/* set alternate 0 */
 	dev->alt = 0;
-	em2820_videodbg("setting alternate 0");
+	em28xx_videodbg("setting alternate 0");
 	errCode = usb_set_interface(dev->udev, 0, 0);
 	if (errCode < 0) {
-		em2820_errdev ("cannot change alternate number to 0 (error=%i)\n",
+		em28xx_errdev ("cannot change alternate number to 0 (error=%i)\n",
 		     errCode);
 	}
 
@@ -417,49 +418,49 @@ static int em2820_v4l2_close(struct inode *inode, struct file *filp)
 }
 
 /*
- * em2820_v4l2_read()
+ * em28xx_v4l2_read()
  * will allocate buffers when called for the first time
  */
 static ssize_t
-em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
+em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
 		 loff_t * f_pos)
 {
-	struct em2820_frame_t *f, *i;
+	struct em28xx_frame_t *f, *i;
 	unsigned long lock_flags;
 	int ret = 0;
-	struct em2820 *dev = filp->private_data;
+	struct em28xx *dev = filp->private_data;
 
 	if (down_interruptible(&dev->fileop_lock))
 		return -ERESTARTSYS;
 
 	if (dev->state & DEV_DISCONNECTED) {
-		em2820_videodbg("device not present");
+		em28xx_videodbg("device not present");
 		up(&dev->fileop_lock);
 		return -ENODEV;
 	}
 
 	if (dev->state & DEV_MISCONFIGURED) {
-		em2820_videodbg("device misconfigured; close and open it again");
+		em28xx_videodbg("device misconfigured; close and open it again");
 		up(&dev->fileop_lock);
 		return -EIO;
 	}
 
 	if (dev->io == IO_MMAP) {
-		em2820_videodbg ("IO method is set to mmap; close and open"
+		em28xx_videodbg ("IO method is set to mmap; close and open"
 				" the device again to choose the read method");
 		up(&dev->fileop_lock);
 		return -EINVAL;
 	}
 
 	if (dev->io == IO_NONE) {
-		if (!em2820_request_buffers(dev, EM2820_NUM_READ_FRAMES)) {
-			em2820_errdev("read failed, not enough memory\n");
+		if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) {
+			em28xx_errdev("read failed, not enough memory\n");
 			up(&dev->fileop_lock);
 			return -ENOMEM;
 		}
 		dev->io = IO_READ;
 		dev->stream = STREAM_ON;
-		em2820_queue_unusedframes(dev);
+		em28xx_queue_unusedframes(dev);
 	}
 
 	if (!count) {
@@ -486,7 +487,7 @@ em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
 		}
 	}
 
-	f = list_entry(dev->outqueue.prev, struct em2820_frame_t, frame);
+	f = list_entry(dev->outqueue.prev, struct em28xx_frame_t, frame);
 
 	spin_lock_irqsave(&dev->queue_lock, lock_flags);
 	list_for_each_entry(i, &dev->outqueue, frame)
@@ -494,7 +495,7 @@ em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
 	INIT_LIST_HEAD(&dev->outqueue);
 	spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
 
-	em2820_queue_unusedframes(dev);
+	em28xx_queue_unusedframes(dev);
 
 	if (count > f->buf.length)
 		count = f->buf.length;
@@ -511,26 +512,26 @@ em2820_v4l2_read(struct file *filp, char __user * buf, size_t count,
 }
 
 /*
- * em2820_v4l2_poll()
+ * em28xx_v4l2_poll()
  * will allocate buffers when called for the first time
  */
-static unsigned int em2820_v4l2_poll(struct file *filp, poll_table * wait)
+static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
 {
 	unsigned int mask = 0;
-	struct em2820 *dev = filp->private_data;
+	struct em28xx *dev = filp->private_data;
 
 	if (down_interruptible(&dev->fileop_lock))
 		return POLLERR;
 
 	if (dev->state & DEV_DISCONNECTED) {
-		em2820_videodbg("device not present");
+		em28xx_videodbg("device not present");
 	} else if (dev->state & DEV_MISCONFIGURED) {
-		em2820_videodbg("device is misconfigured; close and open it again");
+		em28xx_videodbg("device is misconfigured; close and open it again");
 	} else {
 		if (dev->io == IO_NONE) {
-			if (!em2820_request_buffers
-			    (dev, EM2820_NUM_READ_FRAMES)) {
-				em2820_warn
+			if (!em28xx_request_buffers
+			    (dev, EM28XX_NUM_READ_FRAMES)) {
+				em28xx_warn
 				    ("poll() failed, not enough memory\n");
 			} else {
 				dev->io = IO_READ;
@@ -539,7 +540,7 @@ static unsigned int em2820_v4l2_poll(struct file *filp, poll_table * wait)
 		}
 
 		if (dev->io == IO_READ) {
-			em2820_queue_unusedframes(dev);
+			em28xx_queue_unusedframes(dev);
 			poll_wait(filp, &dev->wait_frame, wait);
 
 			if (!list_empty(&dev->outqueue))
@@ -556,51 +557,51 @@ static unsigned int em2820_v4l2_poll(struct file *filp, poll_table * wait)
 }
 
 /*
- * em2820_vm_open()
+ * em28xx_vm_open()
  */
-static void em2820_vm_open(struct vm_area_struct *vma)
+static void em28xx_vm_open(struct vm_area_struct *vma)
 {
-	struct em2820_frame_t *f = vma->vm_private_data;
+	struct em28xx_frame_t *f = vma->vm_private_data;
 	f->vma_use_count++;
 }
 
 /*
- * em2820_vm_close()
+ * em28xx_vm_close()
  */
-static void em2820_vm_close(struct vm_area_struct *vma)
+static void em28xx_vm_close(struct vm_area_struct *vma)
 {
 	/* NOTE: buffers are not freed here */
-	struct em2820_frame_t *f = vma->vm_private_data;
+	struct em28xx_frame_t *f = vma->vm_private_data;
 	f->vma_use_count--;
 }
 
-static struct vm_operations_struct em2820_vm_ops = {
-	.open = em2820_vm_open,
-	.close = em2820_vm_close,
+static struct vm_operations_struct em28xx_vm_ops = {
+	.open = em28xx_vm_open,
+	.close = em28xx_vm_close,
 };
 
 /*
- * em2820_v4l2_mmap()
+ * em28xx_v4l2_mmap()
  */
-static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
+static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 {
 	unsigned long size = vma->vm_end - vma->vm_start,
 	    start = vma->vm_start, pos, page;
 	u32 i;
 
-	struct em2820 *dev = filp->private_data;
+	struct em28xx *dev = filp->private_data;
 
 	if (down_interruptible(&dev->fileop_lock))
 		return -ERESTARTSYS;
 
 	if (dev->state & DEV_DISCONNECTED) {
-		em2820_videodbg("mmap: device not present");
+		em28xx_videodbg("mmap: device not present");
 		up(&dev->fileop_lock);
 		return -ENODEV;
 	}
 
 	if (dev->state & DEV_MISCONFIGURED) {
-		em2820_videodbg ("mmap: Device is misconfigured; close and "
+		em28xx_videodbg ("mmap: Device is misconfigured; close and "
 						"open it again");
 		up(&dev->fileop_lock);
 		return -EIO;
@@ -617,7 +618,7 @@ static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 			break;
 	}
 	if (i == dev->num_frames) {
-		em2820_videodbg("mmap: user supplied mapping address is out of range");
+		em28xx_videodbg("mmap: user supplied mapping address is out of range");
 		up(&dev->fileop_lock);
 		return -EINVAL;
 	}
@@ -631,7 +632,7 @@ static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 		page = vmalloc_to_pfn((void *)pos);
 		if (remap_pfn_range(vma, start, page, PAGE_SIZE,
 				    vma->vm_page_prot)) {
-			em2820_videodbg("mmap: rename page map failed");
+			em28xx_videodbg("mmap: rename page map failed");
 			up(&dev->fileop_lock);
 			return -EAGAIN;
 		}
@@ -640,19 +641,19 @@ static int em2820_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 		size -= PAGE_SIZE;
 	}
 
-	vma->vm_ops = &em2820_vm_ops;
+	vma->vm_ops = &em28xx_vm_ops;
 	vma->vm_private_data = &dev->frame[i];
 
-	em2820_vm_open(vma);
+	em28xx_vm_open(vma);
 	up(&dev->fileop_lock);
 	return 0;
 }
 
 /*
- * em2820_get_ctrl()
+ * em28xx_get_ctrl()
  * return the current saturation, brightness or contrast, mute state
  */
-static int em2820_get_ctrl(struct em2820 *dev, struct v4l2_control *ctrl)
+static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl)
 {
 	s32 tmp;
 	switch (ctrl->id) {
@@ -663,30 +664,30 @@ static int em2820_get_ctrl(struct em2820 *dev, struct v4l2_control *ctrl)
 		ctrl->value = dev->volume;
 		return 0;
 	case V4L2_CID_BRIGHTNESS:
-		if ((tmp = em2820_brightness_get(dev)) < 0)
+		if ((tmp = em28xx_brightness_get(dev)) < 0)
 			return -EIO;
 		ctrl->value = (s32) ((s8) tmp);	/* FIXME: clenaer way to extend sign? */
 		return 0;
 	case V4L2_CID_CONTRAST:
-		if ((ctrl->value = em2820_contrast_get(dev)) < 0)
+		if ((ctrl->value = em28xx_contrast_get(dev)) < 0)
 			return -EIO;
 		return 0;
 	case V4L2_CID_SATURATION:
-		if ((ctrl->value = em2820_saturation_get(dev)) < 0)
+		if ((ctrl->value = em28xx_saturation_get(dev)) < 0)
 			return -EIO;
 		return 0;
 	case V4L2_CID_RED_BALANCE:
-		if ((tmp = em2820_v_balance_get(dev)) < 0)
+		if ((tmp = em28xx_v_balance_get(dev)) < 0)
 			return -EIO;
 		ctrl->value = (s32) ((s8) tmp);	/* FIXME: clenaer way to extend sign? */
 		return 0;
 	case V4L2_CID_BLUE_BALANCE:
-		if ((tmp = em2820_u_balance_get(dev)) < 0)
+		if ((tmp = em28xx_u_balance_get(dev)) < 0)
 			return -EIO;
 		ctrl->value = (s32) ((s8) tmp);	/* FIXME: clenaer way to extend sign? */
 		return 0;
 	case V4L2_CID_GAMMA:
-		if ((ctrl->value = em2820_gamma_get(dev)) < 0)
+		if ((ctrl->value = em28xx_gamma_get(dev)) < 0)
 			return -EIO;
 		return 0;
 	default:
@@ -695,44 +696,44 @@ static int em2820_get_ctrl(struct em2820 *dev, struct v4l2_control *ctrl)
 }
 
 /*
- * em2820_set_ctrl()
+ * em28xx_set_ctrl()
  * mute or set new saturation, brightness or contrast
  */
-static int em2820_set_ctrl(struct em2820 *dev, const struct v4l2_control *ctrl)
+static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl)
 {
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value != dev->mute) {
 			dev->mute = ctrl->value;
-			em2820_audio_usb_mute(dev, ctrl->value);
-			return em2820_audio_analog_set(dev);
+			em28xx_audio_usb_mute(dev, ctrl->value);
+			return em28xx_audio_analog_set(dev);
 		}
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
 		dev->volume = ctrl->value;
-		return em2820_audio_analog_set(dev);
+		return em28xx_audio_analog_set(dev);
 	case V4L2_CID_BRIGHTNESS:
-		return em2820_brightness_set(dev, ctrl->value);
+		return em28xx_brightness_set(dev, ctrl->value);
 	case V4L2_CID_CONTRAST:
-		return em2820_contrast_set(dev, ctrl->value);
+		return em28xx_contrast_set(dev, ctrl->value);
 	case V4L2_CID_SATURATION:
-		return em2820_saturation_set(dev, ctrl->value);
+		return em28xx_saturation_set(dev, ctrl->value);
 	case V4L2_CID_RED_BALANCE:
-		return em2820_v_balance_set(dev, ctrl->value);
+		return em28xx_v_balance_set(dev, ctrl->value);
 	case V4L2_CID_BLUE_BALANCE:
-		return em2820_u_balance_set(dev, ctrl->value);
+		return em28xx_u_balance_set(dev, ctrl->value);
 	case V4L2_CID_GAMMA:
-		return em2820_gamma_set(dev, ctrl->value);
+		return em28xx_gamma_set(dev, ctrl->value);
 	default:
 		return -EINVAL;
 	}
 }
 
 /*
- * em2820_stream_interrupt()
+ * em28xx_stream_interrupt()
  * stops streaming
  */
-static int em2820_stream_interrupt(struct em2820 *dev)
+static int em28xx_stream_interrupt(struct em28xx *dev)
 {
 	int ret = 0;
 
@@ -742,12 +743,12 @@ static int em2820_stream_interrupt(struct em2820 *dev)
 	ret = wait_event_timeout(dev->wait_stream,
 				 (dev->stream == STREAM_OFF) ||
 				 (dev->state & DEV_DISCONNECTED),
-				 EM2820_URB_TIMEOUT);
+				 EM28XX_URB_TIMEOUT);
 	if (dev->state & DEV_DISCONNECTED)
 		return -ENODEV;
 	else if (ret) {
 		dev->state |= DEV_MISCONFIGURED;
-		em2820_videodbg("device is misconfigured; close and "
+		em28xx_videodbg("device is misconfigured; close and "
 			"open /dev/video%d again", dev->vdev->minor);
 		return ret;
 	}
@@ -755,7 +756,7 @@ static int em2820_stream_interrupt(struct em2820 *dev)
 	return 0;
 }
 
-static int em2820_set_norm(struct em2820 *dev, int width, int height)
+static int em28xx_set_norm(struct em28xx *dev, int width, int height)
 {
 	unsigned int hscale, vscale;
 	unsigned int maxh, maxw;
@@ -794,41 +795,41 @@ static int em2820_set_norm(struct em2820 *dev, int width, int height)
 	dev->hscale = hscale;
 	dev->vscale = vscale;
 
-	em2820_resolution_set(dev);
+	em28xx_resolution_set(dev);
 
 	return 0;
 }
 
-static void video_mux(struct em2820 *dev, int index)
+static void video_mux(struct em28xx *dev, int index)
 {
 	int input, ainput;
 
 	input = INPUT(index)->vmux;
 	dev->ctl_input = index;
 
-	em2820_i2c_call_clients(dev, DECODER_SET_INPUT, &input);
+	em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &input);
 
 	dev->ctl_ainput = INPUT(index)->amux;
 
 	switch (dev->ctl_ainput) {
 	case 0:
-		ainput = EM2820_AUDIO_SRC_TUNER;
+		ainput = EM28XX_AUDIO_SRC_TUNER;
 		break;
 	default:
-		ainput = EM2820_AUDIO_SRC_LINE;
+		ainput = EM28XX_AUDIO_SRC_LINE;
 	}
 
-	em2820_audio_source(dev, ainput);
+	em28xx_audio_source(dev, ainput);
 }
 
 /*
- * em2820_v4l2_do_ioctl()
+ * em28xx_v4l2_do_ioctl()
  * This function is _not_ called directly, but from
- * em2820_v4l2_ioctl. Userspace
+ * em28xx_v4l2_ioctl. Userspace
  * copying is done already, arg is a kernel pointer.
  */
-static int em2820_do_ioctl(struct inode *inode, struct file *filp,
-			   struct em2820 *dev, unsigned int cmd, void *arg,
+static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
+			   struct em28xx *dev, unsigned int cmd, void *arg,
 			   v4l2_kioctl driver_ioctl)
 {
 	int ret;
@@ -875,7 +876,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 			down(&dev->lock);
 			dev->tvnorm = &tvnorms[i];
 
-			em2820_set_norm(dev, dev->width, dev->height);
+			em28xx_set_norm(dev, dev->width, dev->height);
 
 /*
 		dev->width=norm_maxw(dev);
@@ -886,18 +887,18 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 		dev->hscale=0;
 		dev->vscale=0;
 
-		em2820_resolution_set(dev);
+		em28xx_resolution_set(dev);
 */
 /*
-		em2820_uninit_isoc(dev);
-		em2820_set_alternate(dev);
-		em2820_capture_start(dev, 1);
-		em2820_resolution_set(dev);
-		em2820_init_isoc(dev);
+		em28xx_uninit_isoc(dev);
+		em28xx_set_alternate(dev);
+		em28xx_capture_start(dev, 1);
+		em28xx_resolution_set(dev);
+		em28xx_init_isoc(dev);
 */
-			em2820_i2c_call_clients(dev, DECODER_SET_NORM,
+			em28xx_i2c_call_clients(dev, DECODER_SET_NORM,
 						&tvnorms[i].mode);
-			em2820_i2c_call_clients(dev, VIDIOC_S_STD,
+			em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
 						&dev->tvnorm->id);
 
 			up(&dev->lock);
@@ -911,19 +912,19 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 			struct v4l2_input *i = arg;
 			unsigned int n;
 			static const char *iname[] = {
-				[EM2820_VMUX_COMPOSITE1] = "Composite1",
-				[EM2820_VMUX_COMPOSITE2] = "Composite2",
-				[EM2820_VMUX_COMPOSITE3] = "Composite3",
-				[EM2820_VMUX_COMPOSITE4] = "Composite4",
-				[EM2820_VMUX_SVIDEO] = "S-Video",
-				[EM2820_VMUX_TELEVISION] = "Television",
-				[EM2820_VMUX_CABLE] = "Cable TV",
-				[EM2820_VMUX_DVB] = "DVB",
-				[EM2820_VMUX_DEBUG] = "for debug only",
+				[EM28XX_VMUX_COMPOSITE1] = "Composite1",
+				[EM28XX_VMUX_COMPOSITE2] = "Composite2",
+				[EM28XX_VMUX_COMPOSITE3] = "Composite3",
+				[EM28XX_VMUX_COMPOSITE4] = "Composite4",
+				[EM28XX_VMUX_SVIDEO] = "S-Video",
+				[EM28XX_VMUX_TELEVISION] = "Television",
+				[EM28XX_VMUX_CABLE] = "Cable TV",
+				[EM28XX_VMUX_DVB] = "DVB",
+				[EM28XX_VMUX_DEBUG] = "for debug only",
 			};
 
 			n = i->index;
-			if (n >= MAX_EM2820_INPUT)
+			if (n >= MAX_EM28XX_INPUT)
 				return -EINVAL;
 			if (0 == INPUT(n)->type)
 				return -EINVAL;
@@ -931,8 +932,8 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 			i->index = n;
 			i->type = V4L2_INPUT_TYPE_CAMERA;
 			strcpy(i->name, iname[INPUT(n)->type]);
-			if ((EM2820_VMUX_TELEVISION == INPUT(n)->type) ||
-			    (EM2820_VMUX_CABLE == INPUT(n)->type))
+			if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) ||
+			    (EM28XX_VMUX_CABLE == INPUT(n)->type))
 				i->type = V4L2_INPUT_TYPE_TUNER;
 			for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
 				i->std |= tvnorms[n].id;
@@ -951,7 +952,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 		{
 			int *index = arg;
 
-			if (*index >= MAX_EM2820_INPUT)
+			if (*index >= MAX_EM28XX_INPUT)
 				return -EINVAL;
 			if (0 == INPUT(*index)->type)
 				return -EINVAL;
@@ -997,10 +998,10 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 		{
 			struct v4l2_queryctrl *qc = arg;
 			u8 i, n;
-			n = sizeof(em2820_qctrl) / sizeof(em2820_qctrl[0]);
+			n = sizeof(em28xx_qctrl) / sizeof(em28xx_qctrl[0]);
 			for (i = 0; i < n; i++)
-				if (qc->id && qc->id == em2820_qctrl[i].id) {
-					memcpy(qc, &(em2820_qctrl[i]),
+				if (qc->id && qc->id == em28xx_qctrl[i].id) {
+					memcpy(qc, &(em28xx_qctrl[i]),
 					       sizeof(*qc));
 					return 0;
 				}
@@ -1013,7 +1014,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 			struct v4l2_control *ctrl = arg;
 
 
-			return em2820_get_ctrl(dev, ctrl);
+			return em28xx_get_ctrl(dev, ctrl);
 		}
 
 	case VIDIOC_S_CTRL_OLD:	/* ??? */
@@ -1023,16 +1024,16 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 			u8 i, n;
 
 
-			n = sizeof(em2820_qctrl) / sizeof(em2820_qctrl[0]);
+			n = sizeof(em28xx_qctrl) / sizeof(em28xx_qctrl[0]);
 			for (i = 0; i < n; i++)
-				if (ctrl->id == em2820_qctrl[i].id) {
+				if (ctrl->id == em28xx_qctrl[i].id) {
 					if (ctrl->value <
-					    em2820_qctrl[i].minimum
+					    em28xx_qctrl[i].minimum
 					    || ctrl->value >
-					    em2820_qctrl[i].maximum)
+					    em28xx_qctrl[i].maximum)
 						return -ERANGE;
 
-					return em2820_set_ctrl(dev, ctrl);
+					return em28xx_set_ctrl(dev, ctrl);
 				}
 			return -EINVAL;
 		}
@@ -1052,16 +1053,16 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 			t->capability = V4L2_TUNER_CAP_NORM;
 			t->rangehigh = 0xffffffffUL;	/* FIXME: set correct range */
 /*		t->signal = 0xffff;*/
-/*		em2820_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
+/*		em28xx_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
 			/* No way to get signal strength? */
 			down(&dev->lock);
-			em2820_i2c_call_clients(dev, DECODER_GET_STATUS,
+			em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
 						&status);
 			up(&dev->lock);
 			t->signal =
 			    (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
 
-			em2820_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x", t->signal,
+			em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x", t->signal,
 				 t->afc);
 			return 0;
 		}
@@ -1080,13 +1081,13 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 /*		t->signal = 0xffff; */
 			/* No way to get signal strength? */
 			down(&dev->lock);
-			em2820_i2c_call_clients(dev, DECODER_GET_STATUS,
+			em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
 						&status);
 			up(&dev->lock);
 			t->signal =
 			    (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
 
-			em2820_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n",
+			em28xx_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n",
 				 t->signal, t->afc);
 			return 0;
 		}
@@ -1112,7 +1113,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 
 			down(&dev->lock);
 			dev->ctl_freq = f->frequency;
-			em2820_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
+			em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
 			up(&dev->lock);
 			return 0;
 		}
@@ -1145,7 +1146,7 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 
 			dev->stream = STREAM_ON;	/* FIXME: Start video capture here? */
 
-			em2820_videodbg("VIDIOC_STREAMON: starting stream");
+			em28xx_videodbg("VIDIOC_STREAMON: starting stream");
 
 			return 0;
 		}
@@ -1159,11 +1160,11 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 				return -EINVAL;
 
 			if (dev->stream == STREAM_ON) {
-				em2820_videodbg ("VIDIOC_STREAMOFF: interrupting stream");
-				if ((ret = em2820_stream_interrupt(dev)))
+				em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream");
+				if ((ret = em28xx_stream_interrupt(dev)))
 					return ret;
 			}
-			em2820_empty_framequeues(dev);
+			em28xx_empty_framequeues(dev);
 
 			return 0;
 		}
@@ -1175,21 +1176,21 @@ static int em2820_do_ioctl(struct inode *inode, struct file *filp,
 }
 
 /*
- * em2820_v4l2_do_ioctl()
+ * em28xx_v4l2_do_ioctl()
  * This function is _not_ called directly, but from
- * em2820_v4l2_ioctl. Userspace
+ * em28xx_v4l2_ioctl. Userspace
  * copying is done already, arg is a kernel pointer.
  */
-static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
+static int em28xx_video_do_ioctl(struct inode *inode, struct file *filp,
 				 unsigned int cmd, void *arg)
 {
-	struct em2820 *dev = filp->private_data;
+	struct em28xx *dev = filp->private_data;
 
 	if (!dev)
 		return -ENODEV;
 
 	if (video_debug > 1)
-		em2820_print_ioctl(dev->name,cmd);
+		em28xx_print_ioctl(dev->name,cmd);
 
 	switch (cmd) {
 
@@ -1199,12 +1200,12 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 			struct v4l2_capability *cap = arg;
 
 			memset(cap, 0, sizeof(*cap));
-			strlcpy(cap->driver, "em2820", sizeof(cap->driver));
-			strlcpy(cap->card, em2820_boards[dev->model].name,
+			strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
+			strlcpy(cap->card, em28xx_boards[dev->model].name,
 				sizeof(cap->card));
 			strlcpy(cap->bus_info, dev->udev->dev.bus_id,
 				sizeof(cap->bus_info));
-			cap->version = EM2820_VERSION_CODE;
+			cap->version = EM28XX_VERSION_CODE;
 			cap->capabilities =
 			    V4L2_CAP_VIDEO_CAPTURE |
 			    V4L2_CAP_AUDIO |
@@ -1233,7 +1234,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 		{
 			struct v4l2_format *format = arg;
 
-			em2820_videodbg("VIDIOC_G_FMT: type=%s",
+			em28xx_videodbg("VIDIOC_G_FMT: type=%s",
 				 format->type ==
 				 V4L2_BUF_TYPE_VIDEO_CAPTURE ?
 				 "V4L2_BUF_TYPE_VIDEO_CAPTURE" : format->type ==
@@ -1252,7 +1253,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 			format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 			format->fmt.pix.field = dev->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;	/* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
 
-			em2820_videodbg("VIDIOC_G_FMT: %dx%d", dev->width,
+			em28xx_videodbg("VIDIOC_G_FMT: %dx%d", dev->width,
 				 dev->height);
 			return 0;
 		}
@@ -1273,7 +1274,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 
 /*		int both_fields; */
 
-			em2820_videodbg("%s: type=%s",
+			em28xx_videodbg("%s: type=%s",
 				 cmd ==
 				 VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
 				 "VIDIOC_S_FMT",
@@ -1287,7 +1288,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 			if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 				return -EINVAL;
 
-			em2820_videodbg("%s: requested %dx%d",
+			em28xx_videodbg("%s: requested %dx%d",
 				 cmd ==
 				 VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
 				 "VIDIOC_S_FMT", format->fmt.pix.width,
@@ -1346,7 +1347,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 			format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 			format->fmt.pix.field = V4L2_FIELD_INTERLACED;
 
-			em2820_videodbg("%s: returned %dx%d (%d, %d)",
+			em28xx_videodbg("%s: returned %dx%d (%d, %d)",
 				 cmd ==
 				 VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
 				 "VIDIOC_S_FMT", format->fmt.pix.width,
@@ -1357,19 +1358,19 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 
 			for (i = 0; i < dev->num_frames; i++)
 				if (dev->frame[i].vma_use_count) {
-					em2820_videodbg("VIDIOC_S_FMT failed. "
+					em28xx_videodbg("VIDIOC_S_FMT failed. "
 						"Unmap the buffers first.");
 					return -EINVAL;
 				}
 
 			/* stop io in case it is already in progress */
 			if (dev->stream == STREAM_ON) {
-				em2820_videodbg("VIDIOC_SET_FMT: interupting stream");
-				if ((ret = em2820_stream_interrupt(dev)))
+				em28xx_videodbg("VIDIOC_SET_FMT: interupting stream");
+				if ((ret = em28xx_stream_interrupt(dev)))
 					return ret;
 			}
 
-			em2820_release_buffers(dev);
+			em28xx_release_buffers(dev);
 			dev->io = IO_NONE;
 
 			/* set new image size */
@@ -1381,11 +1382,11 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 			dev->hscale = hscale;
 			dev->vscale = vscale;
 /*			dev->both_fileds = both_fileds; */
-			em2820_uninit_isoc(dev);
-			em2820_set_alternate(dev);
-			em2820_capture_start(dev, 1);
-			em2820_resolution_set(dev);
-			em2820_init_isoc(dev);
+			em28xx_uninit_isoc(dev);
+			em28xx_set_alternate(dev);
+			em28xx_capture_start(dev, 1);
+			em28xx_resolution_set(dev);
+			em28xx_init_isoc(dev);
 
 			return 0;
 		}
@@ -1402,7 +1403,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 				return -EINVAL;
 
 			if (dev->io == IO_READ) {
-				em2820_videodbg ("method is set to read;"
+				em28xx_videodbg ("method is set to read;"
 					" close and open the device again to"
 					" choose the mmap I/O method");
 				return -EINVAL;
@@ -1410,26 +1411,26 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 
 			for (i = 0; i < dev->num_frames; i++)
 				if (dev->frame[i].vma_use_count) {
-					em2820_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped");
+					em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped");
 					return -EINVAL;
 				}
 
 			if (dev->stream == STREAM_ON) {
-				em2820_videodbg("VIDIOC_REQBUFS: interrupting stream");
-				if ((ret = em2820_stream_interrupt(dev)))
+				em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream");
+				if ((ret = em28xx_stream_interrupt(dev)))
 					return ret;
 			}
 
-			em2820_empty_framequeues(dev);
+			em28xx_empty_framequeues(dev);
 
-			em2820_release_buffers(dev);
+			em28xx_release_buffers(dev);
 			if (rb->count)
 				rb->count =
-				    em2820_request_buffers(dev, rb->count);
+				    em28xx_request_buffers(dev, rb->count);
 
 			dev->frame_current = NULL;
 
-			em2820_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i",
+			em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i",
 						     rb->count);
 			dev->io = rb->count ? IO_MMAP : IO_NONE;
 			return 0;
@@ -1480,7 +1481,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 	case VIDIOC_DQBUF:
 		{
 			struct v4l2_buffer *b = arg;
-			struct em2820_frame_t *f;
+			struct em28xx_frame_t *f;
 			unsigned long lock_flags;
 			int ret = 0;
 
@@ -1505,7 +1506,7 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 
 			spin_lock_irqsave(&dev->queue_lock, lock_flags);
 			f = list_entry(dev->outqueue.next,
-				       struct em2820_frame_t, frame);
+				       struct em28xx_frame_t, frame);
 			list_del(dev->outqueue.next);
 			spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
 
@@ -1518,66 +1519,66 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
 			return 0;
 		}
 	default:
-		return em2820_do_ioctl(inode, filp, dev, cmd, arg,
-				       em2820_video_do_ioctl);
+		return em28xx_do_ioctl(inode, filp, dev, cmd, arg,
+				       em28xx_video_do_ioctl);
 	}
 	return 0;
 }
 
 /*
- * em2820_v4l2_ioctl()
- * handle v4l2 ioctl the main action happens in em2820_v4l2_do_ioctl()
+ * em28xx_v4l2_ioctl()
+ * handle v4l2 ioctl the main action happens in em28xx_v4l2_do_ioctl()
  */
-static int em2820_v4l2_ioctl(struct inode *inode, struct file *filp,
+static int em28xx_v4l2_ioctl(struct inode *inode, struct file *filp,
 			     unsigned int cmd, unsigned long arg)
 {
 	int ret = 0;
-	struct em2820 *dev = filp->private_data;
+	struct em28xx *dev = filp->private_data;
 
 	if (down_interruptible(&dev->fileop_lock))
 		return -ERESTARTSYS;
 
 	if (dev->state & DEV_DISCONNECTED) {
-		em2820_errdev("v4l2 ioctl: device not present\n");
+		em28xx_errdev("v4l2 ioctl: device not present\n");
 		up(&dev->fileop_lock);
 		return -ENODEV;
 	}
 
 	if (dev->state & DEV_MISCONFIGURED) {
-		em2820_errdev
+		em28xx_errdev
 		    ("v4l2 ioctl: device is misconfigured; close and open it again\n");
 		up(&dev->fileop_lock);
 		return -EIO;
 	}
 
-	ret = video_usercopy(inode, filp, cmd, arg, em2820_video_do_ioctl);
+	ret = video_usercopy(inode, filp, cmd, arg, em28xx_video_do_ioctl);
 
 	up(&dev->fileop_lock);
 
 	return ret;
 }
 
-static struct file_operations em2820_v4l_fops = {
+static struct file_operations em28xx_v4l_fops = {
 	.owner = THIS_MODULE,
-	.open = em2820_v4l2_open,
-	.release = em2820_v4l2_close,
-	.ioctl = em2820_v4l2_ioctl,
-	.read = em2820_v4l2_read,
-	.poll = em2820_v4l2_poll,
-	.mmap = em2820_v4l2_mmap,
+	.open = em28xx_v4l2_open,
+	.release = em28xx_v4l2_close,
+	.ioctl = em28xx_v4l2_ioctl,
+	.read = em28xx_v4l2_read,
+	.poll = em28xx_v4l2_poll,
+	.mmap = em28xx_v4l2_mmap,
 	.llseek = no_llseek,
 };
 
 /******************************** usb interface *****************************************/
 
 /*
- * em2820_init_dev()
+ * em28xx_init_dev()
  * allocates and inits the device structs, registers i2c bus and v4l device
  */
-static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
+static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 			   int minor, int model)
 {
-	struct em2820 *dev = *devhandle;
+	struct em28xx *dev = *devhandle;
 	int retval = -ENOMEM;
 	int errCode, i;
 	unsigned int maxh, maxw;
@@ -1588,33 +1589,33 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 	init_MUTEX(&dev->lock);
 	init_waitqueue_head(&dev->open);
 
-	dev->em2820_write_regs = em2820_write_regs;
-	dev->em2820_read_reg = em2820_read_reg;
-	dev->em2820_read_reg_req_len = em2820_read_reg_req_len;
-	dev->em2820_write_regs_req = em2820_write_regs_req;
-	dev->em2820_read_reg_req = em2820_read_reg_req;
-	dev->is_em2800 = em2820_boards[model].is_em2800;
-	dev->has_tuner = em2820_boards[model].has_tuner;
-	dev->has_msp34xx = em2820_boards[model].has_msp34xx;
-	dev->tda9887_conf = em2820_boards[model].tda9887_conf;
-	dev->decoder = em2820_boards[model].decoder;
+	dev->em28xx_write_regs = em28xx_write_regs;
+	dev->em28xx_read_reg = em28xx_read_reg;
+	dev->em28xx_read_reg_req_len = em28xx_read_reg_req_len;
+	dev->em28xx_write_regs_req = em28xx_write_regs_req;
+	dev->em28xx_read_reg_req = em28xx_read_reg_req;
+	dev->is_em2800 = em28xx_boards[model].is_em2800;
+	dev->has_tuner = em28xx_boards[model].has_tuner;
+	dev->has_msp34xx = em28xx_boards[model].has_msp34xx;
+	dev->tda9887_conf = em28xx_boards[model].tda9887_conf;
+	dev->decoder = em28xx_boards[model].decoder;
 
 	if (tuner >= 0)
 		dev->tuner_type = tuner;
 	else
-		dev->tuner_type = em2820_boards[model].tuner_type;
+		dev->tuner_type = em28xx_boards[model].tuner_type;
 
-	dev->video_inputs = em2820_boards[model].vchannels;
+	dev->video_inputs = em28xx_boards[model].vchannels;
 
 	for (i = 0; i < TVNORMS; i++)
-		if (em2820_boards[model].norm == tvnorms[i].mode)
+		if (em28xx_boards[model].norm == tvnorms[i].mode)
 			break;
 	if (i == TVNORMS)
 		i = 0;
 
 	dev->tvnorm = &tvnorms[i];	/* set default norm */
 
-	em2820_videodbg("tvnorm=%s\n", dev->tvnorm->name);
+	em28xx_videodbg("tvnorm=%s\n", dev->tvnorm->name);
 
 	maxw = norm_maxw(dev);
 	maxh = norm_maxh(dev);
@@ -1622,7 +1623,7 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 	/* set default image size */
 	dev->width = maxw;
 	dev->height = maxh;
-	dev->interlaced = EM2820_INTERLACED_DEFAULT;
+	dev->interlaced = EM28XX_INTERLACED_DEFAULT;
 	dev->field_size = dev->width * dev->height;
 	dev->frame_size =
 	    dev->interlaced ? dev->field_size << 1 : dev->field_size;
@@ -1644,7 +1645,7 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 	/* compute alternate max packet sizes */
 	uif = dev->udev->actconfig->interface[0];
 	dev->alt_max_pkt_size[0] = 0;
-	for (i = 1; i <= EM2820_MAX_ALT && i < uif->num_altsetting ; i++) {
+	for (i = 1; i <= EM28XX_MAX_ALT && i < uif->num_altsetting ; i++) {
 		u16 tmp =
 		    le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
 				wMaxPacketSize);
@@ -1654,35 +1655,35 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 
 #ifdef CONFIG_MODULES
 	/* request some modules */
-	if (dev->decoder == EM2820_SAA7113 || dev->decoder == EM2820_SAA7114)
+	if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
 		request_module("saa711x");
-	if (dev->decoder == EM2820_TVP5150)
+	if (dev->decoder == EM28XX_TVP5150)
 		request_module("tvp5150");
 	if (dev->has_tuner)
 		request_module("tuner");
 	if (dev->tda9887_conf)
 		request_module("tda9887");
 #endif
-	errCode = em2820_config(dev);
+	errCode = em28xx_config(dev);
 	if (errCode) {
-		em2820_errdev("error configuring device\n");
+		em28xx_errdev("error configuring device\n");
 		kfree(dev);
 		return -ENOMEM;
 	}
 
 	down(&dev->lock);
 	/* register i2c bus */
-	em2820_i2c_register(dev);
+	em28xx_i2c_register(dev);
 
 	/* Do board specific init and eeprom reading */
-	em2820_card_setup(dev);
+	em28xx_card_setup(dev);
 
 	/* configure the device */
-	em2820_config_i2c(dev);
+	em28xx_config_i2c(dev);
 
 	up(&dev->lock);
 
-	errCode = em2820_config(dev);
+	errCode = em28xx_config(dev);
 
 #ifdef CONFIG_MODULES
 	if (dev->has_msp34xx)
@@ -1691,7 +1692,7 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 	/* allocate and fill v4l2 device struct */
 	dev->vdev = video_device_alloc();
 	if (NULL == dev->vdev) {
-		em2820_errdev("cannot allocate video_device.\n");
+		em28xx_errdev("cannot allocate video_device.\n");
 		kfree(dev);
 		return -ENOMEM;
 	}
@@ -1700,18 +1701,18 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 	if (dev->has_tuner)
 		dev->vdev->type |= VID_TYPE_TUNER;
 	dev->vdev->hardware = 0;
-	dev->vdev->fops = &em2820_v4l_fops;
+	dev->vdev->fops = &em28xx_v4l_fops;
 	dev->vdev->minor = -1;
 	dev->vdev->dev = &dev->udev->dev;
 	dev->vdev->release = video_device_release;
 	snprintf(dev->vdev->name, sizeof(dev->vdev->name), "%s",
-		 "em2820 video");
-	list_add_tail(&dev->devlist,&em2820_devlist);
+		 "em28xx video");
+	list_add_tail(&dev->devlist,&em28xx_devlist);
 
 	/* register v4l2 device */
 	down(&dev->lock);
 	if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1))) {
-		em2820_errdev("unable to register video device (error=%i).\n",
+		em28xx_errdev("unable to register video device (error=%i).\n",
 			      retval);
 		up(&dev->lock);
 		list_del(&dev->devlist);
@@ -1721,9 +1722,9 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 	}
 	if (dev->has_msp34xx) {
 		/* Send a reset to other chips via gpio */
-		em2820_write_regs_req(dev, 0x00, 0x08, "\xf7", 1);
+		em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1);
 		udelay(2500);
-		em2820_write_regs_req(dev, 0x00, 0x08, "\xff", 1);
+		em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1);
 		udelay(2500);
 
 	}
@@ -1731,22 +1732,22 @@ static int em2820_init_dev(struct em2820 **devhandle, struct usb_device *udev,
 
 	up(&dev->lock);
 
-	em2820_info("V4L2 device registered as /dev/video%d\n",
+	em28xx_info("V4L2 device registered as /dev/video%d\n",
 		    dev->vdev->minor);
 
 	return 0;
 }
 
 /*
- * em2820_usb_probe()
+ * em28xx_usb_probe()
  * checks for supported devices
  */
-static int em2820_usb_probe(struct usb_interface *interface,
+static int em28xx_usb_probe(struct usb_interface *interface,
 			    const struct usb_device_id *id)
 {
 	const struct usb_endpoint_descriptor *endpoint;
 	struct usb_device *udev;
-	struct em2820 *dev = NULL;
+	struct em28xx *dev = NULL;
 	int retval = -ENODEV;
 	int model,i,nr,ifnum;
 
@@ -1756,14 +1757,14 @@ static int em2820_usb_probe(struct usb_interface *interface,
 
 	/* Don't register audio interfaces */
 	if (interface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
-		em2820_err(DRIVER_NAME " audio device (%04x:%04x): interface %i, class %i\n",
+		em28xx_err(DRIVER_NAME " audio device (%04x:%04x): interface %i, class %i\n",
 				udev->descriptor.idVendor,udev->descriptor.idProduct,
 				ifnum,
 				interface->altsetting[0].desc.bInterfaceClass);
 		return -ENODEV;
 	}
 
-	em2820_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n",
+	em28xx_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n",
 			udev->descriptor.idVendor,udev->descriptor.idProduct,
 			ifnum,
 			interface->altsetting[0].desc.bInterfaceClass);
@@ -1773,33 +1774,33 @@ static int em2820_usb_probe(struct usb_interface *interface,
 	/* check if the the device has the iso in endpoint at the correct place */
 	if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
 	    USB_ENDPOINT_XFER_ISOC) {
-		em2820_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n");
+		em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n");
 		return -ENODEV;
 	}
 	if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
-		em2820_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n");
+		em28xx_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n");
 		return -ENODEV;
 	}
 
 	model=id->driver_info;
 	nr=interface->minor;
 
-	if (nr>EM2820_MAXBOARDS) {
-		printk ("em2820: Supports only %i em28xx boards.\n",EM2820_MAXBOARDS);
+	if (nr>EM28XX_MAXBOARDS) {
+		printk ("em28xx: Supports only %i em28xx boards.\n",EM28XX_MAXBOARDS);
 		return -ENOMEM;
 	}
 
 	/* allocate memory for our device state and initialize it */
 	dev = kmalloc(sizeof(*dev), GFP_KERNEL);
 	if (dev == NULL) {
-		em2820_err(DRIVER_NAME ": out of memory!\n");
+		em28xx_err(DRIVER_NAME ": out of memory!\n");
 		return -ENOMEM;
 	}
 	memset(dev, 0, sizeof(*dev));
 
-	snprintf(dev->name, 29, "em2820 #%d", nr);
+	snprintf(dev->name, 29, "em28xx #%d", nr);
 
-	if ((card[nr]>=0)&&(card[nr]<em2820_bcount))
+	if ((card[nr]>=0)&&(card[nr]<em28xx_bcount))
 		model=card[nr];
 
 	if ((model==EM2800_BOARD_UNKNOWN)||(model==EM2820_BOARD_UNKNOWN)) {
@@ -1811,18 +1812,18 @@ static int em2820_usb_probe(struct usb_interface *interface,
 			dev->name,dev->name,dev->name,dev->name,dev->name);
 		printk("%s: Here is a list of valid choices for the card=<n> insmod option:\n",
 			dev->name);
-		for (i = 0; i < em2820_bcount; i++) {
+		for (i = 0; i < em28xx_bcount; i++) {
 			printk("%s:    card=%d -> %s\n",
-				dev->name, i, em2820_boards[i].name);
+				dev->name, i, em28xx_boards[i].name);
 		}
 	}
 
 	/* allocate device struct */
-	retval = em2820_init_dev(&dev, udev, nr, model);
+	retval = em28xx_init_dev(&dev, udev, nr, model);
 	if (retval)
 		return retval;
 
-	em2820_info("Found %s\n", em2820_boards[model].name);
+	em28xx_info("Found %s\n", em28xx_boards[model].name);
 
 	/* save our data pointer in this interface device */
 	usb_set_intfdata(interface, dev);
@@ -1830,38 +1831,38 @@ static int em2820_usb_probe(struct usb_interface *interface,
 }
 
 /*
- * em2820_usb_disconnect()
+ * em28xx_usb_disconnect()
  * called when the device gets diconencted
  * video device will be unregistered on v4l2_close in case it is still open
  */
-static void em2820_usb_disconnect(struct usb_interface *interface)
+static void em28xx_usb_disconnect(struct usb_interface *interface)
 {
-	struct em2820 *dev = usb_get_intfdata(interface);
+	struct em28xx *dev = usb_get_intfdata(interface);
 	usb_set_intfdata(interface, NULL);
 
 	if (!dev)
 		return;
 
-	down_write(&em2820_disconnect);
+	down_write(&em28xx_disconnect);
 
 	down(&dev->lock);
 
-	em2820_info("disconnecting %s\n", dev->vdev->name);
+	em28xx_info("disconnecting %s\n", dev->vdev->name);
 
 	wake_up_interruptible_all(&dev->open);
 
 	if (dev->users) {
-		em2820_warn
+		em28xx_warn
 		    ("device /dev/video%d is open! Deregistration and memory "
 		     "deallocation are deferred on close.\n", dev->vdev->minor);
 		dev->state |= DEV_MISCONFIGURED;
-		em2820_uninit_isoc(dev);
+		em28xx_uninit_isoc(dev);
 		dev->state |= DEV_DISCONNECTED;
 		wake_up_interruptible(&dev->wait_frame);
 		wake_up_interruptible(&dev->wait_stream);
 	} else {
 		dev->state |= DEV_DISCONNECTED;
-		em2820_release_resources(dev);
+		em28xx_release_resources(dev);
 	}
 
 	up(&dev->lock);
@@ -1869,44 +1870,44 @@ static void em2820_usb_disconnect(struct usb_interface *interface)
 	if (!dev->users)
 		kfree(dev);
 
-	up_write(&em2820_disconnect);
+	up_write(&em28xx_disconnect);
 
 }
 
-static struct usb_driver em2820_usb_driver = {
+static struct usb_driver em28xx_usb_driver = {
 	.owner = THIS_MODULE,
-	.name = "em2820",
-	.probe = em2820_usb_probe,
-	.disconnect = em2820_usb_disconnect,
-	.id_table = em2820_id_table,
+	.name = "em28xx",
+	.probe = em28xx_usb_probe,
+	.disconnect = em28xx_usb_disconnect,
+	.id_table = em28xx_id_table,
 };
 
-static int __init em2820_module_init(void)
+static int __init em28xx_module_init(void)
 {
 	int result;
 
 	printk(KERN_INFO DRIVER_NAME " v4l2 driver version %d.%d.%d loaded\n",
-	       (EM2820_VERSION_CODE >> 16) & 0xff,
-	       (EM2820_VERSION_CODE >> 8) & 0xff, EM2820_VERSION_CODE & 0xff);
+	       (EM28XX_VERSION_CODE >> 16) & 0xff,
+	       (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff);
 #ifdef SNAPSHOT
 	printk(KERN_INFO DRIVER_NAME " snapshot date %04d-%02d-%02d\n",
 	       SNAPSHOT / 10000, (SNAPSHOT / 100) % 100, SNAPSHOT % 100);
 #endif
 
 	/* register this driver with the USB subsystem */
-	result = usb_register(&em2820_usb_driver);
+	result = usb_register(&em28xx_usb_driver);
 	if (result)
-		em2820_err(DRIVER_NAME
+		em28xx_err(DRIVER_NAME
 			   " usb_register failed. Error number %d.\n", result);
 
 	return result;
 }
 
-static void __exit em2820_module_exit(void)
+static void __exit em28xx_module_exit(void)
 {
 	/* deregister this driver with the USB subsystem */
-	usb_deregister(&em2820_usb_driver);
+	usb_deregister(&em28xx_usb_driver);
 }
 
-module_init(em2820_module_init);
-module_exit(em2820_module_exit);
+module_init(em28xx_module_init);
+module_exit(em28xx_module_exit);
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 8c58c5b5fa3667..d51f8c63bcf944 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -1,5 +1,5 @@
 /*
-   em2820-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
+   em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
 
    Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
 		      Ludovico Cavedon <cavedon@sssup.it>
@@ -22,8 +22,8 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#ifndef _EM2820_H
-#define _EM2820_H
+#ifndef _EM28XX_H
+#define _EM28XX_H
 
 #include <linux/videodev.h>
 #include <linux/i2c.h>
@@ -45,27 +45,27 @@
 #define UNSET -1
 
 /* maximum number of em28xx boards */
-#define EM2820_MAXBOARDS 1 /*FIXME: should be bigger */
+#define EM28XX_MAXBOARDS 1 /*FIXME: should be bigger */
 
 /* maximum number of frames that can be queued */
-#define EM2820_NUM_FRAMES 5
+#define EM28XX_NUM_FRAMES 5
 /* number of frames that get used for v4l2_read() */
-#define EM2820_NUM_READ_FRAMES 2
+#define EM28XX_NUM_READ_FRAMES 2
 
 /* number of buffers for isoc transfers */
-#define EM2820_NUM_BUFS 5
+#define EM28XX_NUM_BUFS 5
 
 /* number of packets for each buffer
    windows requests only 40 packets .. so we better do the same
    this is what I found out for all alternate numbers there!
  */
-#define EM2820_NUM_PACKETS 40
+#define EM28XX_NUM_PACKETS 40
 
 /* default alternate; 0 means choose the best */
-#define EM2820_PINOUT 0
-#define EM2820_MAX_ALT 7
+#define EM28XX_PINOUT 0
+#define EM28XX_MAX_ALT 7
 
-#define EM2820_INTERLACED_DEFAULT 1
+#define EM28XX_INTERLACED_DEFAULT 1
 
 /*
 #define (use usbview if you want to get the other alternate number infos)
@@ -89,13 +89,13 @@
 */
 
 /* time to wait when stopping the isoc transfer */
-#define EM2820_URB_TIMEOUT       msecs_to_jiffies(EM2820_NUM_BUFS * EM2820_NUM_PACKETS)
+#define EM28XX_URB_TIMEOUT       msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
 
 /* time in msecs to wait for i2c writes to finish */
 #define EM2800_I2C_WRITE_TIMEOUT 20
 
 /* the various frame states */
-enum em2820_frame_state {
+enum em28xx_frame_state {
 	F_UNUSED = 0,
 	F_QUEUED,
 	F_GRABBING,
@@ -104,17 +104,17 @@ enum em2820_frame_state {
 };
 
 /* stream states */
-enum em2820_stream_state {
+enum em28xx_stream_state {
 	STREAM_OFF,
 	STREAM_INTERRUPT,
 	STREAM_ON,
 };
 
 /* frames */
-struct em2820_frame_t {
+struct em28xx_frame_t {
 	void *bufmem;
 	struct v4l2_buffer buf;
-	enum em2820_frame_state state;
+	enum em28xx_frame_state state;
 	struct list_head frame;
 	unsigned long vma_use_count;
 	int top_field;
@@ -122,7 +122,7 @@ struct em2820_frame_t {
 };
 
 /* io methods */
-enum em2820_io_method {
+enum em28xx_io_method {
 	IO_NONE,
 	IO_READ,
 	IO_MMAP,
@@ -130,35 +130,35 @@ enum em2820_io_method {
 
 /* inputs */
 
-#define MAX_EM2820_INPUT 4
-enum enum2820_itype {
-	EM2820_VMUX_COMPOSITE1 = 1,
-	EM2820_VMUX_COMPOSITE2,
-	EM2820_VMUX_COMPOSITE3,
-	EM2820_VMUX_COMPOSITE4,
-	EM2820_VMUX_SVIDEO,
-	EM2820_VMUX_TELEVISION,
-	EM2820_VMUX_CABLE,
-	EM2820_VMUX_DVB,
-	EM2820_VMUX_DEBUG,
-	EM2820_RADIO,
+#define MAX_EM28XX_INPUT 4
+enum enum28xx_itype {
+	EM28XX_VMUX_COMPOSITE1 = 1,
+	EM28XX_VMUX_COMPOSITE2,
+	EM28XX_VMUX_COMPOSITE3,
+	EM28XX_VMUX_COMPOSITE4,
+	EM28XX_VMUX_SVIDEO,
+	EM28XX_VMUX_TELEVISION,
+	EM28XX_VMUX_CABLE,
+	EM28XX_VMUX_DVB,
+	EM28XX_VMUX_DEBUG,
+	EM28XX_RADIO,
 };
 
-struct em2820_input {
-	enum enum2820_itype type;
+struct em28xx_input {
+	enum enum28xx_itype type;
 	unsigned int vmux;
 	unsigned int amux;
 };
 
-#define INPUT(nr) (&em2820_boards[dev->model].input[nr])
+#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
 
-enum em2820_decoder {
-	EM2820_TVP5150,
-	EM2820_SAA7113,
-	EM2820_SAA7114
+enum em28xx_decoder {
+	EM28XX_TVP5150,
+	EM28XX_SAA7113,
+	EM28XX_SAA7114
 };
 
-struct em2820_board {
+struct em28xx_board {
 	char *name;
 	int vchannels;
 	int norm;
@@ -171,12 +171,12 @@ struct em2820_board {
 	unsigned int has_tuner:1;
 	unsigned int has_msp34xx:1;
 
-	enum em2820_decoder decoder;
+	enum em28xx_decoder decoder;
 
-	struct em2820_input       input[MAX_EM2820_INPUT];
+	struct em28xx_input       input[MAX_EM28XX_INPUT];
 };
 
-struct em2820_eeprom {
+struct em28xx_eeprom {
 	u32 id;			/* 0x9567eb1a */
 	u16 vendor_ID;
 	u16 product_ID;
@@ -191,14 +191,14 @@ struct em2820_eeprom {
 };
 
 /* device states */
-enum em2820_dev_state {
+enum em28xx_dev_state {
 	DEV_INITIALIZED = 0x01,
 	DEV_DISCONNECTED = 0x02,
 	DEV_MISCONFIGURED = 0x04,
 };
 
 /* tvnorms */
-struct em2820_tvnorm {
+struct em28xx_tvnorm {
 	char *name;
 	v4l2_std_id id;
 	/* mode for saa7113h */
@@ -206,7 +206,7 @@ struct em2820_tvnorm {
 };
 
 /* main device struct */
-struct em2820 {
+struct em28xx {
 	/* generic device properties */
 	char name[30];		/* name (including minor) of the device */
 	int model;		/* index in the device_data struct */
@@ -217,7 +217,7 @@ struct em2820 {
 	unsigned int has_msp34xx:1;
 	unsigned int has_tda9887:1;
 
-	enum em2820_decoder decoder;
+	enum em28xx_decoder decoder;
 
 	int tuner_type;		/* type of the tuner */
 	int tuner_addr;		/* tuner address */
@@ -229,17 +229,17 @@ struct em2820 {
 	int users;		/* user count for exclusive use */
 	struct video_device *vdev;	/* video for linux device struct */
 	struct video_picture vpic;	/* picture settings only used to init saa7113h */
-	struct em2820_tvnorm *tvnorm;	/* selected tv norm */
+	struct em28xx_tvnorm *tvnorm;	/* selected tv norm */
 	int ctl_freq;		/* selected frequency */
 	unsigned int ctl_input;	/* selected input */
 	unsigned int ctl_ainput;	/* slected audio input */
 	int mute;
 	int volume;
 	/* frame properties */
-	struct em2820_frame_t frame[EM2820_NUM_FRAMES];	/* list of frames */
+	struct em28xx_frame_t frame[EM28XX_NUM_FRAMES];	/* list of frames */
 	int num_frames;		/* number of frames currently in use */
 	unsigned int frame_count;	/* total number of transfered frames */
-	struct em2820_frame_t *frame_current;	/* the frame that is being filled */
+	struct em28xx_frame_t *frame_current;	/* the frame that is being filled */
 	int width;		/* current frame width */
 	int height;		/* current frame height */
 	int frame_size;		/* current frame size */
@@ -251,9 +251,9 @@ struct em2820 {
 	int type;
 
 	/* states */
-	enum em2820_dev_state state;
-	enum em2820_stream_state stream;
-	enum em2820_io_method io;
+	enum em28xx_dev_state state;
+	enum em28xx_stream_state stream;
+	enum em28xx_io_method io;
 	/* locks */
 	struct semaphore lock, fileop_lock;
 	spinlock_t queue_lock;
@@ -267,71 +267,71 @@ struct em2820 {
 	struct usb_device *udev;	/* the usb device */
 	int alt;		/* alternate */
 	int max_pkt_size;	/* max packet size of isoc transaction */
-	unsigned int alt_max_pkt_size[EM2820_MAX_ALT + 1];	/* array of wMaxPacketSize */
-	struct urb *urb[EM2820_NUM_BUFS];	/* urb for isoc transfers */
-	char *transfer_buffer[EM2820_NUM_BUFS];	/* transfer buffers for isoc transfer */
+	unsigned int alt_max_pkt_size[EM28XX_MAX_ALT + 1];	/* array of wMaxPacketSize */
+	struct urb *urb[EM28XX_NUM_BUFS];	/* urb for isoc transfers */
+	char *transfer_buffer[EM28XX_NUM_BUFS];	/* transfer buffers for isoc transfer */
 	/* helper funcs that call usb_control_msg */
-	int (*em2820_write_regs) (struct em2820 * dev, u16 reg, char *buf,
+	int (*em28xx_write_regs) (struct em28xx * dev, u16 reg, char *buf,
 				  int len);
-	int (*em2820_read_reg) (struct em2820 * dev, u16 reg);
-	int (*em2820_read_reg_req_len) (struct em2820 * dev, u8 req, u16 reg,
+	int (*em28xx_read_reg) (struct em28xx * dev, u16 reg);
+	int (*em28xx_read_reg_req_len) (struct em28xx * dev, u8 req, u16 reg,
 					char *buf, int len);
-	int (*em2820_write_regs_req) (struct em2820 * dev, u8 req, u16 reg,
+	int (*em28xx_write_regs_req) (struct em28xx * dev, u8 req, u16 reg,
 				      char *buf, int len);
-	int (*em2820_read_reg_req) (struct em2820 * dev, u8 req, u16 reg);
+	int (*em28xx_read_reg_req) (struct em28xx * dev, u8 req, u16 reg);
 };
 
-/* Provided by em2820-i2c.c */
+/* Provided by em28xx-i2c.c */
 
-void em2820_i2c_call_clients(struct em2820 *dev, unsigned int cmd, void *arg);
-int em2820_i2c_register(struct em2820 *dev);
-int em2820_i2c_unregister(struct em2820 *dev);
+void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg);
+int em28xx_i2c_register(struct em28xx *dev);
+int em28xx_i2c_unregister(struct em28xx *dev);
 
-/* Provided by em2820-input.c */
+/* Provided by em28xx-input.c */
 
-void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir);
+void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir);
 
-/* Provided by em2820-core.c */
+/* Provided by em28xx-core.c */
 
-void em2820_print_ioctl(char *name, unsigned int cmd);
+void em28xx_print_ioctl(char *name, unsigned int cmd);
 
-u32 em2820_request_buffers(struct em2820 *dev, u32 count);
-void em2820_queue_unusedframes(struct em2820 *dev);
-void em2820_release_buffers(struct em2820 *dev);
+u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
+void em28xx_queue_unusedframes(struct em28xx *dev);
+void em28xx_release_buffers(struct em28xx *dev);
 
-int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
+int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
 			    char *buf, int len);
-int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg);
-int em2820_read_reg(struct em2820 *dev, u16 reg);
-int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
+int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
+int em28xx_read_reg(struct em28xx *dev, u16 reg);
+int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 			  int len);
-int em2820_write_regs(struct em2820 *dev, u16 reg, char *buf, int len);
-int em2820_write_reg_bits(struct em2820 *dev, u16 reg, u8 val,
+int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
+int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
 			  u8 bitmask);
-int em2820_write_ac97(struct em2820 *dev, u8 reg, u8 * val);
-int em2820_audio_analog_set(struct em2820 *dev);
-int em2820_colorlevels_set_default(struct em2820 *dev);
-int em2820_capture_start(struct em2820 *dev, int start);
-int em2820_outfmt_set_yuv422(struct em2820 *dev);
-int em2820_accumulator_set(struct em2820 *dev, u8 xmin, u8 xmax, u8 ymin,
+int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val);
+int em28xx_audio_analog_set(struct em28xx *dev);
+int em28xx_colorlevels_set_default(struct em28xx *dev);
+int em28xx_capture_start(struct em28xx *dev, int start);
+int em28xx_outfmt_set_yuv422(struct em28xx *dev);
+int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, u8 ymin,
 			   u8 ymax);
-int em2820_capture_area_set(struct em2820 *dev, u8 hstart, u8 vstart,
+int em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart,
 			    u16 width, u16 height);
-int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v);
-int em2820_resolution_set(struct em2820 *dev);
-void em2820_isocIrq(struct urb *urb, struct pt_regs *regs);
-int em2820_init_isoc(struct em2820 *dev);
-void em2820_uninit_isoc(struct em2820 *dev);
-int em2820_set_alternate(struct em2820 *dev);
-
-/* Provided by em2820-cards.c */
+int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v);
+int em28xx_resolution_set(struct em28xx *dev);
+void em28xx_isocIrq(struct urb *urb, struct pt_regs *regs);
+int em28xx_init_isoc(struct em28xx *dev);
+void em28xx_uninit_isoc(struct em28xx *dev);
+int em28xx_set_alternate(struct em28xx *dev);
+
+/* Provided by em28xx-cards.c */
 extern int em2800_variant_detect(struct usb_device* udev,int model);
-extern void em2820_card_setup(struct em2820 *dev);
-extern struct em2820_board em2820_boards[];
-extern struct usb_device_id em2820_id_table[];
-extern const unsigned int em2820_bcount;
+extern void em28xx_card_setup(struct em28xx *dev);
+extern struct em28xx_board em28xx_boards[];
+extern struct usb_device_id em28xx_id_table[];
+extern const unsigned int em28xx_bcount;
 
-/* em2820 registers */
+/* em28xx registers */
 #define CHIPID_REG	0x0a
 #define USBSUSP_REG	0x0c	/* */
 
@@ -386,115 +386,115 @@ extern const unsigned int em2820_bcount;
 #define VIDEO_AC97	0x14
 
 /* register settings */
-#define EM2820_AUDIO_SRC_TUNER	0xc0
-#define EM2820_AUDIO_SRC_LINE	0x80
+#define EM28XX_AUDIO_SRC_TUNER	0xc0
+#define EM28XX_AUDIO_SRC_LINE	0x80
 
 /* printk macros */
 
-#define em2820_err(fmt, arg...) do {\
+#define em28xx_err(fmt, arg...) do {\
 	printk(KERN_ERR fmt , ##arg); } while (0)
 
-#define em2820_errdev(fmt, arg...) do {\
+#define em28xx_errdev(fmt, arg...) do {\
 	printk(KERN_ERR "%s: "fmt,\
 			dev->name , ##arg); } while (0)
 
-#define em2820_info(fmt, arg...) do {\
+#define em28xx_info(fmt, arg...) do {\
 	printk(KERN_INFO "%s: "fmt,\
 			dev->name , ##arg); } while (0)
-#define em2820_warn(fmt, arg...) do {\
+#define em28xx_warn(fmt, arg...) do {\
 	printk(KERN_WARNING "%s: "fmt,\
 			dev->name , ##arg); } while (0)
 
-inline static int em2820_audio_source(struct em2820 *dev, int input)
+inline static int em28xx_audio_source(struct em28xx *dev, int input)
 {
-	return em2820_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
+	return em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
 }
 
-inline static int em2820_audio_usb_mute(struct em2820 *dev, int mute)
+inline static int em28xx_audio_usb_mute(struct em28xx *dev, int mute)
 {
-	return em2820_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
+	return em28xx_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
 }
 
-inline static int em2820_audio_analog_setup(struct em2820 *dev)
+inline static int em28xx_audio_analog_setup(struct em28xx *dev)
 {
 	/* unmute video mixer with default volume level */
-	return em2820_write_ac97(dev, VIDEO_AC97, "\x08\x08");
+	return em28xx_write_ac97(dev, VIDEO_AC97, "\x08\x08");
 }
 
-inline static int em2820_compression_disable(struct em2820 *dev)
+inline static int em28xx_compression_disable(struct em28xx *dev)
 {
 	/* side effect of disabling scaler and mixer */
-	return em2820_write_regs(dev, COMPR_REG, "\x00", 1);
+	return em28xx_write_regs(dev, COMPR_REG, "\x00", 1);
 }
 
-inline static int em2820_contrast_get(struct em2820 *dev)
+inline static int em28xx_contrast_get(struct em28xx *dev)
 {
-	return em2820_read_reg(dev, YGAIN_REG) & 0x1f;
+	return em28xx_read_reg(dev, YGAIN_REG) & 0x1f;
 }
 
-inline static int em2820_brightness_get(struct em2820 *dev)
+inline static int em28xx_brightness_get(struct em28xx *dev)
 {
-	return em2820_read_reg(dev, YOFFSET_REG);
+	return em28xx_read_reg(dev, YOFFSET_REG);
 }
 
-inline static int em2820_saturation_get(struct em2820 *dev)
+inline static int em28xx_saturation_get(struct em28xx *dev)
 {
-	return em2820_read_reg(dev, UVGAIN_REG) & 0x1f;
+	return em28xx_read_reg(dev, UVGAIN_REG) & 0x1f;
 }
 
-inline static int em2820_u_balance_get(struct em2820 *dev)
+inline static int em28xx_u_balance_get(struct em28xx *dev)
 {
-	return em2820_read_reg(dev, UOFFSET_REG);
+	return em28xx_read_reg(dev, UOFFSET_REG);
 }
 
-inline static int em2820_v_balance_get(struct em2820 *dev)
+inline static int em28xx_v_balance_get(struct em28xx *dev)
 {
-	return em2820_read_reg(dev, VOFFSET_REG);
+	return em28xx_read_reg(dev, VOFFSET_REG);
 }
 
-inline static int em2820_gamma_get(struct em2820 *dev)
+inline static int em28xx_gamma_get(struct em28xx *dev)
 {
-	return em2820_read_reg(dev, GAMMA_REG) & 0x3f;
+	return em28xx_read_reg(dev, GAMMA_REG) & 0x3f;
 }
 
-inline static int em2820_contrast_set(struct em2820 *dev, s32 val)
+inline static int em28xx_contrast_set(struct em28xx *dev, s32 val)
 {
 	u8 tmp = (u8) val;
-	return em2820_write_regs(dev, YGAIN_REG, &tmp, 1);
+	return em28xx_write_regs(dev, YGAIN_REG, &tmp, 1);
 }
 
-inline static int em2820_brightness_set(struct em2820 *dev, s32 val)
+inline static int em28xx_brightness_set(struct em28xx *dev, s32 val)
 {
 	u8 tmp = (u8) val;
-	return em2820_write_regs(dev, YOFFSET_REG, &tmp, 1);
+	return em28xx_write_regs(dev, YOFFSET_REG, &tmp, 1);
 }
 
-inline static int em2820_saturation_set(struct em2820 *dev, s32 val)
+inline static int em28xx_saturation_set(struct em28xx *dev, s32 val)
 {
 	u8 tmp = (u8) val;
-	return em2820_write_regs(dev, UVGAIN_REG, &tmp, 1);
+	return em28xx_write_regs(dev, UVGAIN_REG, &tmp, 1);
 }
 
-inline static int em2820_u_balance_set(struct em2820 *dev, s32 val)
+inline static int em28xx_u_balance_set(struct em28xx *dev, s32 val)
 {
 	u8 tmp = (u8) val;
-	return em2820_write_regs(dev, UOFFSET_REG, &tmp, 1);
+	return em28xx_write_regs(dev, UOFFSET_REG, &tmp, 1);
 }
 
-inline static int em2820_v_balance_set(struct em2820 *dev, s32 val)
+inline static int em28xx_v_balance_set(struct em28xx *dev, s32 val)
 {
 	u8 tmp = (u8) val;
-	return em2820_write_regs(dev, VOFFSET_REG, &tmp, 1);
+	return em28xx_write_regs(dev, VOFFSET_REG, &tmp, 1);
 }
 
-inline static int em2820_gamma_set(struct em2820 *dev, s32 val)
+inline static int em28xx_gamma_set(struct em28xx *dev, s32 val)
 {
 	u8 tmp = (u8) val;
-	return em2820_write_regs(dev, GAMMA_REG, &tmp, 1);
+	return em28xx_write_regs(dev, GAMMA_REG, &tmp, 1);
 }
 
 /*FIXME: maxw should be dependent of alt mode */
-inline static unsigned int norm_maxw(struct em2820 *dev)
+inline static unsigned int norm_maxw(struct em28xx *dev)
 {
 	switch(dev->model){
 		case (EM2820_BOARD_MSI_VOX_USB_2): return(640);
@@ -502,7 +502,7 @@ inline static unsigned int norm_maxw(struct em2820 *dev)
 	}
 }
 
-inline static unsigned int norm_maxh(struct em2820 *dev)
+inline static unsigned int norm_maxh(struct em28xx *dev)
 {
 	switch(dev->model){
 		case (EM2820_BOARD_MSI_VOX_USB_2): return(480);