Refresh build-stub for usb mixer refactoring

Signed-off-by: Takashi Iwai <tiwai@suse.de>

8 files changed, 583 insertions, 82 deletions

diff --git a/.gitignore b/.gitignore
index d1eccdf52..2ea3ed52c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -119,7 +119,8 @@ usb/card.c
 usb/endpoint.c
 usb/helper.c
 usb/midi.c
-usb/usbmixer.c
+usb/mixer.c
+usb/mixer_quirks.c
 usb/urb.c
 usb/quirks.c
 usb/caiaq/audio.c
diff --git a/configure.in b/configure.in
index 38057a56d..9f9ae9a5c 100644
--- a/configure.in
+++ b/configure.in
@@ -2783,9 +2783,11 @@ fi
 AC_SUBST(CONFIG_USB)
 
 if test -n "$CONFIG_USB"; then
+  CHECK_KERNEL_HEADER(linux/usb/audio-v2.h, [#include \"usb_audio_v2_compat.h\"
+  ])
   CHECK_KERNEL_HEADER(linux/usb/audio.h, [#include \"usb_audio_compat.h\"
   ])
-  AC_MSG_CHECKING([for valid linux/usb/audio.h])
+  AC_MSG_CHECKING([for valid v1 in linux/usb/audio.h])
   usb_audio_valid="0"
   ac_save_CFLAGS="$CFLAGS"
   ac_save_CC="$CC"
@@ -2800,13 +2802,32 @@ if test -n "$CONFIG_USB"; then
 #endif
 #include <linux/usb/audio.h>
 ],[
-  struct uac_as_header_descriptor_v2 tmp;
+  struct uac_as_header_descriptor_v1 tmp;
   tmp.bLength = 0;
 ],
    AC_MSG_RESULT(yes);usb_audio_valid="1",
    AC_MSG_RESULT(no);usb_audio_valid="0",
    AC_MSG_RESULT(unknown);usb_audio_valid="0"
 )
+  if test "$usb_audio_valid" = "1"; then
+    AC_MSG_CHECKING([for invalid v2 in linux/usb/audio.h])
+    AC_TRY_COMPILE([
+#define __KERNEL__
+#ifdef CONFIG_HAVE_DEPRECATED_CONFIG_H
+#include <$INCLUDE_AUTOCONF_H>
+#else
+#include <linux/config.h>
+#endif
+#include <linux/usb/audio.h>
+],[
+  struct uac_as_header_descriptor_v2 tmp;
+  tmp.bLength = 0;
+],
+   AC_MSG_RESULT(yes);usb_audio_valid="0",
+   AC_MSG_RESULT(no);usb_audio_valid="1",
+   AC_MSG_RESULT(unknown);usb_audio_valid="0"
+)
+  fi
   CFLAGS=$ac_save_CFLAGS
   CC=$ac_save_CC
   if test "$usb_audio_valid" != "1"; then
diff --git a/include/usb_audio_compat.h b/include/usb_audio_compat.h
index 6bb293684..905a87caf 100644
--- a/include/usb_audio_compat.h
+++ b/include/usb_audio_compat.h
@@ -13,6 +13,9 @@
  * Comments below reference relevant sections of that document:
  *
  * http://www.usb.org/developers/devclass_docs/audio10.pdf
+ *
+ * Types and defines in this file are either specific to version 1.0 of
+ * this standard or common for newer versions.
  */
 
 #ifndef __LINUX_USB_AUDIO_H
@@ -20,14 +23,15 @@
 
 #include <linux/types.h>
 
+/* bInterfaceProtocol values to denote the version of the standard used */
+#define UAC_VERSION_1			0x00
+#define UAC_VERSION_2			0x20
+
 /* A.2 Audio Interface Subclass Codes */
 #define USB_SUBCLASS_AUDIOCONTROL	0x01
 #define USB_SUBCLASS_AUDIOSTREAMING	0x02
 #define USB_SUBCLASS_MIDISTREAMING	0x03
 
-#define UAC_VERSION_1			0x00
-#define UAC_VERSION_2			0x20
-
 /* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
 #define UAC_HEADER			0x01
 #define UAC_INPUT_TERMINAL		0x02
@@ -38,15 +42,6 @@
 #define UAC_PROCESSING_UNIT_V1		0x07
 #define UAC_EXTENSION_UNIT_V1		0x08
 
-/* UAC v2.0 types */
-#define UAC_EFFECT_UNIT			0x07
-#define UAC_PROCESSING_UNIT_V2		0x08
-#define UAC_EXTENSION_UNIT_V2		0x09
-#define UAC_CLOCK_SOURCE		0x0a
-#define UAC_CLOCK_SELECTOR		0x0b
-#define UAC_CLOCK_MULTIPLIER		0x0c
-#define UAC_SAMPLE_RATE_CONVERTER	0x0d
-
 /* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
 #define UAC_AS_GENERAL			0x01
 #define UAC_FORMAT_TYPE			0x02
@@ -78,10 +73,6 @@
 
 #define UAC_GET_STAT			0xff
 
-/* Audio class v2.0 handles all the parameter calls differently */
-#define UAC2_CS_CUR			0x01
-#define UAC2_CS_RANGE			0x02
-
 /* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
 #define UAC_MS_HEADER			0x01
 #define UAC_MIDI_IN_JACK		0x02
@@ -190,6 +181,156 @@ struct uac_feature_unit_descriptor_##ch {			\
 	__u8  iFeature;						\
 } __attribute__ ((packed))
 
+/* 4.3.2.3 Mixer Unit Descriptor */
+struct uac_mixer_unit_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bUnitID;
+	__u8 bNrInPins;
+	__u8 baSourceID[];
+} __attribute__ ((packed));
+
+static inline __u8 uac_mixer_unit_bNrChannels(struct uac_mixer_unit_descriptor *desc)
+{
+	return desc->baSourceID[desc->bNrInPins];
+}
+
+static inline __u32 uac_mixer_unit_wChannelConfig(struct uac_mixer_unit_descriptor *desc,
+						  int protocol)
+{
+	if (protocol == UAC_VERSION_1)
+		return (desc->baSourceID[desc->bNrInPins + 2] << 8) |
+			desc->baSourceID[desc->bNrInPins + 1];
+	else
+		return  (desc->baSourceID[desc->bNrInPins + 4] << 24) |
+			(desc->baSourceID[desc->bNrInPins + 3] << 16) |
+			(desc->baSourceID[desc->bNrInPins + 2] << 8)  |
+			(desc->baSourceID[desc->bNrInPins + 1]);
+}
+
+static inline __u8 uac_mixer_unit_iChannelNames(struct uac_mixer_unit_descriptor *desc,
+						int protocol)
+{
+	return (protocol == UAC_VERSION_1) ?
+		desc->baSourceID[desc->bNrInPins + 3] :
+		desc->baSourceID[desc->bNrInPins + 5];
+}
+
+static inline __u8 *uac_mixer_unit_bmControls(struct uac_mixer_unit_descriptor *desc,
+					      int protocol)
+{
+	return (protocol == UAC_VERSION_1) ?
+		&desc->baSourceID[desc->bNrInPins + 4] :
+		&desc->baSourceID[desc->bNrInPins + 6];
+}
+
+static inline __u8 uac_mixer_unit_iMixer(struct uac_mixer_unit_descriptor *desc)
+{
+	__u8 *raw = (__u8 *) desc;
+	return raw[desc->bLength - 1];
+}
+
+/* 4.3.2.4 Selector Unit Descriptor */
+struct uac_selector_unit_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bUintID;
+	__u8 bNrInPins;
+	__u8 baSourceID[];
+} __attribute__ ((packed));
+
+static inline __u8 uac_selector_unit_iSelector(struct uac_selector_unit_descriptor *desc)
+{
+	__u8 *raw = (__u8 *) desc;
+	return raw[desc->bLength - 1];
+}
+
+/* 4.3.2.5 Feature Unit Descriptor */
+struct uac_feature_unit_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bUnitID;
+	__u8 bSourceID;
+	__u8 bControlSize;
+	__u8 bmaControls[0]; /* variable length */
+} __attribute__((packed));
+
+static inline __u8 uac_feature_unit_iFeature(struct uac_feature_unit_descriptor *desc)
+{
+	__u8 *raw = (__u8 *) desc;
+	return raw[desc->bLength - 1];
+}
+
+/* 4.3.2.6 Processing Unit Descriptors */
+struct uac_processing_unit_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bUnitID;
+	__u16 wProcessType;
+	__u8 bNrInPins;
+	__u8 baSourceID[];
+} __attribute__ ((packed));
+
+static inline __u8 uac_processing_unit_bNrChannels(struct uac_processing_unit_descriptor *desc)
+{
+	return desc->baSourceID[desc->bNrInPins];
+}
+
+static inline __u32 uac_processing_unit_wChannelConfig(struct uac_processing_unit_descriptor *desc,
+						       int protocol)
+{
+	if (protocol == UAC_VERSION_1)
+		return (desc->baSourceID[desc->bNrInPins + 2] << 8) |
+			desc->baSourceID[desc->bNrInPins + 1];
+	else
+		return  (desc->baSourceID[desc->bNrInPins + 4] << 24) |
+			(desc->baSourceID[desc->bNrInPins + 3] << 16) |
+			(desc->baSourceID[desc->bNrInPins + 2] << 8)  |
+			(desc->baSourceID[desc->bNrInPins + 1]);
+}
+
+static inline __u8 uac_processing_unit_iChannelNames(struct uac_processing_unit_descriptor *desc,
+						     int protocol)
+{
+	return (protocol == UAC_VERSION_1) ?
+		desc->baSourceID[desc->bNrInPins + 3] :
+		desc->baSourceID[desc->bNrInPins + 5];
+}
+
+static inline __u8 uac_processing_unit_bControlSize(struct uac_processing_unit_descriptor *desc,
+						    int protocol)
+{
+	return (protocol == UAC_VERSION_1) ?
+		desc->baSourceID[desc->bNrInPins + 4] :
+		desc->baSourceID[desc->bNrInPins + 6];
+}
+
+static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc,
+						   int protocol)
+{
+	return (protocol == UAC_VERSION_1) ?
+		&desc->baSourceID[desc->bNrInPins + 5] :
+		&desc->baSourceID[desc->bNrInPins + 7];
+}
+
+static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc,
+						   int protocol)
+{
+	__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
+	return desc->baSourceID[desc->bNrInPins + control_size];
+}
+
+static inline __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc,
+						 int protocol)
+{
+	__u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
+	return &desc->baSourceID[desc->bNrInPins + control_size + 1];
+}
+
 /* 4.5.2 Class-Specific AS Interface Descriptor */
 struct uac_as_header_descriptor_v1 {
 	__u8  bLength;			/* in bytes: 7 */
@@ -200,19 +341,6 @@ struct uac_as_header_descriptor_v1 {
 	__le16 wFormatTag;		/* The Audio Data Format */
 } __attribute__ ((packed));
 
-struct uac_as_header_descriptor_v2 {
-	__u8 bLength;
-	__u8 bDescriptorType;
-	__u8 bDescriptorSubtype;
-	__u8 bTerminalLink;
-	__u8 bmControls;
-	__u8 bFormatType;
-	__u32 bmFormats;
-	__u8 bNrChannels;
-	__u32 bmChannelConfig;
-	__u8 iChannelNames;
-} __attribute__((packed));
-
 #define UAC_DT_AS_HEADER_SIZE		7
 
 /* Formats - A.1.1 Audio Data Format Type I Codes */
@@ -269,15 +397,14 @@ struct uac_format_type_i_ext_descriptor {
 	__u8 bLength;
 	__u8 bDescriptorType;
 	__u8 bDescriptorSubtype;
-	__u8 bSubslotSize;
 	__u8 bFormatType;
+	__u8 bSubslotSize;
 	__u8 bBitResolution;
 	__u8 bHeaderLength;
 	__u8 bControlSize;
 	__u8 bSideBandProtocol;
 } __attribute__((packed));
 
-
 /* Formats - Audio Data Format Type I Codes */
 
 #define UAC_FORMAT_TYPE_II_MPEG	0x1001
@@ -336,31 +463,8 @@ struct uac_iso_endpoint_descriptor {
 #define UAC_EP_CS_ATTR_PITCH_CONTROL	0x02
 #define UAC_EP_CS_ATTR_FILL_MAX		0x80
 
-/* Audio class v2.0: CLOCK_SOURCE descriptor */
-
-struct uac_clock_source_descriptor {
-	__u8 bLength;
-	__u8 bDescriptorType;
-	__u8 bDescriptorSubtype;
-	__u8 bClockID;
-	__u8 bmAttributes;
-	__u8 bmControls;
-	__u8 bAssocTerminal;
-	__u8 iClockSource;
-} __attribute__((packed));
-
 /* A.10.2 Feature Unit Control Selectors */
 
-struct uac_feature_unit_descriptor {
-	__u8 bLength;
-	__u8 bDescriptorType;
-	__u8 bDescriptorSubtype;
-	__u8 bUnitID;
-	__u8 bSourceID;
-	__u8 bControlSize;
-	__u8 controls[0]; /* variable length */
-} __attribute__((packed));
-
 #define UAC_FU_CONTROL_UNDEFINED	0x00
 #define UAC_MUTE_CONTROL		0x01
 #define UAC_VOLUME_CONTROL		0x02
diff --git a/include/usb_audio_v2_compat.h b/include/usb_audio_v2_compat.h
new file mode 100644
index 000000000..0952231e6
--- /dev/null
+++ b/include/usb_audio_v2_compat.h
@@ -0,0 +1,366 @@
+/*
+ * Copyright (c) 2010 Daniel Mack <daniel@caiaq.de>
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * License ("GPL") version 2, as published by the Free Software Foundation.
+ *
+ * This file holds USB constants and structures defined
+ * by the USB Device Class Definition for Audio Devices in version 2.0.
+ * Comments below reference relevant sections of the documents contained
+ * in http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip
+ */
+
+#ifndef __LINUX_USB_AUDIO_V2_H
+#define __LINUX_USB_AUDIO_V2_H
+
+#include <linux/types.h>
+
+/* v1.0 and v2.0 of this standard have many things in common. For the rest
+ * of the definitions, please refer to audio.h */
+
+/* 4.7.2.1 Clock Source Descriptor */
+
+struct uac_clock_source_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bClockID;
+	__u8 bmAttributes;
+	__u8 bmControls;
+	__u8 bAssocTerminal;
+	__u8 iClockSource;
+} __attribute__((packed));
+
+/* 4.7.2.2 Clock Source Descriptor */
+
+struct uac_clock_selector_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bClockID;
+	__u8 bNrInPins;
+	__u8 bmControls;
+	__u8 baCSourceID[];
+} __attribute__((packed));
+
+/* 4.7.2.4 Input terminal descriptor */
+
+struct uac2_input_terminal_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bTerminalID;
+	__u16 wTerminalType;
+	__u8 bAssocTerminal;
+	__u8 bCSourceID;
+	__u8 bNrChannels;
+	__u32 bmChannelConfig;
+	__u8 iChannelNames;
+	__u16 bmControls;
+	__u8 iTerminal;
+} __attribute__((packed));
+
+/* 4.7.2.5 Output terminal descriptor */
+
+struct uac2_output_terminal_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bTerminalID;
+	__u16 wTerminalType;
+	__u8 bAssocTerminal;
+	__u8 bSourceID;
+	__u8 bCSourceID;
+	__u16 bmControls;
+	__u8 iTerminal;
+} __attribute__((packed));
+
+
+
+/* 4.7.2.8 Feature Unit Descriptor */
+
+struct uac2_feature_unit_descriptor {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bUnitID;
+	__u8 bSourceID;
+	/* bmaControls is actually u32,
+	 * but u8 is needed for the hybrid parser */
+	__u8 bmaControls[0]; /* variable length */
+} __attribute__((packed));
+
+/* 4.9.2 Class-Specific AS Interface Descriptor */
+
+struct uac_as_header_descriptor_v2 {
+	__u8 bLength;
+	__u8 bDescriptorType;
+	__u8 bDescriptorSubtype;
+	__u8 bTerminalLink;
+	__u8 bmControls;
+	__u8 bFormatType;
+	__u32 bmFormats;
+	__u8 bNrChannels;
+	__u32 bmChannelConfig;
+	__u8 iChannelNames;
+} __attribute__((packed));
+
+
+/* A.7 Audio Function Category Codes */
+#define UAC2_FUNCTION_SUBCLASS_UNDEFINED	0x00
+#define UAC2_FUNCTION_DESKTOP_SPEAKER		0x01
+#define UAC2_FUNCTION_HOME_THEATER		0x02
+#define UAC2_FUNCTION_MICROPHONE		0x03
+#define UAC2_FUNCTION_HEADSET			0x04
+#define UAC2_FUNCTION_TELEPHONE			0x05
+#define UAC2_FUNCTION_CONVERTER			0x06
+#define UAC2_FUNCTION_SOUND_RECORDER		0x07
+#define UAC2_FUNCTION_IO_BOX			0x08
+#define UAC2_FUNCTION_MUSICAL_INSTRUMENT	0x09
+#define UAC2_FUNCTION_PRO_AUDIO			0x0a
+#define UAC2_FUNCTION_AUDIO_VIDEO		0x0b
+#define UAC2_FUNCTION_CONTROL_PANEL		0x0c
+#define UAC2_FUNCTION_OTHER			0xff
+
+/* A.9 Audio Class-Specific AC Interface Descriptor Subtypes */
+/* see audio.h for the rest, which is identical to v1 */
+#define UAC2_EFFECT_UNIT			0x07
+#define UAC2_PROCESSING_UNIT_V2		0x08
+#define UAC2_EXTENSION_UNIT_V2		0x09
+#define UAC2_CLOCK_SOURCE		0x0a
+#define UAC2_CLOCK_SELECTOR		0x0b
+#define UAC2_CLOCK_MULTIPLIER		0x0c
+#define UAC2_SAMPLE_RATE_CONVERTER	0x0d
+
+/* A.10 Audio Class-Specific AS Interface Descriptor Subtypes */
+/* see audio.h for the rest, which is identical to v1 */
+#define UAC2_ENCODER			0x03
+#define UAC2_DECODER			0x04
+
+/* A.11 Effect Unit Effect Types */
+#define UAC2_EFFECT_UNDEFINED		0x00
+#define UAC2_EFFECT_PARAM_EQ		0x01
+#define UAC2_EFFECT_REVERB		0x02
+#define UAC2_EFFECT_MOD_DELAY		0x03
+#define UAC2_EFFECT_DYN_RANGE_COMP	0x04
+
+/* A.12 Processing Unit Process Types */
+#define UAC2_PROCESS_UNDEFINED		0x00
+#define UAC2_PROCESS_UP_DOWNMIX		0x01
+#define UAC2_PROCESS_DOLBY_PROLOCIC	0x02
+#define UAC2_PROCESS_STEREO_EXTENDER	0x03
+
+/* A.14 Audio Class-Specific Request Codes */
+#define UAC2_CS_CUR			0x01
+#define UAC2_CS_RANGE			0x02
+
+/* A.15 Encoder Type Codes */
+#define UAC2_ENCODER_UNDEFINED		0x00
+#define UAC2_ENCODER_OTHER		0x01
+#define UAC2_ENCODER_MPEG		0x02
+#define UAC2_ENCODER_AC3		0x03
+#define UAC2_ENCODER_WMA		0x04
+#define UAC2_ENCODER_DTS		0x05
+
+/* A.16 Decoder Type Codes */
+#define UAC2_DECODER_UNDEFINED		0x00
+#define UAC2_DECODER_OTHER		0x01
+#define UAC2_DECODER_MPEG		0x02
+#define UAC2_DECODER_AC3		0x03
+#define UAC2_DECODER_WMA		0x04
+#define UAC2_DECODER_DTS		0x05
+
+/* A.17.1 Clock Source Control Selectors */
+#define UAC2_CS_UNDEFINED		0x00
+#define UAC2_CS_CONTROL_SAM_FREQ	0x01
+#define UAC2_CS_CONTROL_CLOCK_VALID	0x02
+
+/* A.17.2 Clock Selector Control Selectors */
+#define UAC2_CX_UNDEFINED		0x00
+#define UAC2_CX_CLOCK_SELECTOR		0x01
+
+/* A.17.3 Clock Multiplier Control Selectors */
+#define UAC2_CM_UNDEFINED		0x00
+#define UAC2_CM_NUMERATOR		0x01
+#define UAC2_CM_DENOMINTATOR		0x02
+
+/* A.17.4 Terminal Control Selectors */
+#define UAC2_TE_UNDEFINED		0x00
+#define UAC2_TE_COPY_PROTECT		0x01
+#define UAC2_TE_CONNECTOR		0x02
+#define UAC2_TE_OVERLOAD		0x03
+#define UAC2_TE_CLUSTER			0x04
+#define UAC2_TE_UNDERFLOW		0x05
+#define UAC2_TE_OVERFLOW		0x06
+#define UAC2_TE_LATENCY			0x07
+
+/* A.17.5 Mixer Control Selectors */
+#define UAC2_MU_UNDEFINED		0x00
+#define UAC2_MU_MIXER			0x01
+#define UAC2_MU_CLUSTER			0x02
+#define UAC2_MU_UNDERFLOW		0x03
+#define UAC2_MU_OVERFLOW		0x04
+#define UAC2_MU_LATENCY			0x05
+
+/* A.17.6 Selector Control Selectors */
+#define UAC2_SU_UNDEFINED		0x00
+#define UAC2_SU_SELECTOR		0x01
+#define UAC2_SU_LATENCY			0x02
+
+/* A.17.7 Feature Unit Control Selectors */
+/* see audio.h for the rest, which is identical to v1 */
+#define UAC2_FU_INPUT_GAIN		0x0b
+#define UAC2_FU_INPUT_GAIN_PAD		0x0c
+#define UAC2_FU_PHASE_INVERTER		0x0d
+#define UAC2_FU_UNDERFLOW		0x0e
+#define UAC2_FU_OVERFLOW		0x0f
+#define UAC2_FU_LATENCY			0x10
+
+/* A.17.8.1 Parametric Equalizer Section Effect Unit Control Selectors */
+#define UAC2_PE_UNDEFINED		0x00
+#define UAC2_PE_ENABLE			0x01
+#define UAC2_PE_CENTERFREQ		0x02
+#define UAC2_PE_QFACTOR			0x03
+#define UAC2_PE_GAIN			0x04
+#define UAC2_PE_UNDERFLOW		0x05
+#define UAC2_PE_OVERFLOW		0x06
+#define UAC2_PE_LATENCY			0x07
+
+/* A.17.8.2 Reverberation Effect Unit Control Selectors */
+#define UAC2_RV_UNDEFINED		0x00
+#define UAC2_RV_ENABLE			0x01
+#define UAC2_RV_TYPE			0x02
+#define UAC2_RV_LEVEL			0x03
+#define UAC2_RV_TIME			0x04
+#define UAC2_RV_FEEDBACK		0x05
+#define UAC2_RV_PREDELAY		0x06
+#define UAC2_RV_DENSITY			0x07
+#define UAC2_RV_HIFREQ_ROLLOFF		0x08
+#define UAC2_RV_UNDERFLOW		0x09
+#define UAC2_RV_OVERFLOW		0x0a
+#define UAC2_RV_LATENCY			0x0b
+
+/* A.17.8.3 Modulation Delay Effect Control Selectors */
+#define UAC2_MD_UNDEFINED		0x00
+#define UAC2_MD_ENABLE			0x01
+#define UAC2_MD_BALANCE			0x02
+#define UAC2_MD_RATE			0x03
+#define UAC2_MD_DEPTH			0x04
+#define UAC2_MD_TIME			0x05
+#define UAC2_MD_FEEDBACK		0x06
+#define UAC2_MD_UNDERFLOW		0x07
+#define UAC2_MD_OVERFLOW		0x08
+#define UAC2_MD_LATENCY			0x09
+
+/* A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors */
+#define UAC2_DR_UNDEFINED		0x00
+#define UAC2_DR_ENABLE			0x01
+#define UAC2_DR_COMPRESSION_RATE	0x02
+#define UAC2_DR_MAXAMPL			0x03
+#define UAC2_DR_THRESHOLD		0x04
+#define UAC2_DR_ATTACK_TIME		0x05
+#define UAC2_DR_RELEASE_TIME		0x06
+#define UAC2_DR_UNDEFLOW		0x07
+#define UAC2_DR_OVERFLOW		0x08
+#define UAC2_DR_LATENCY			0x09
+
+/* A.17.9.1 Up/Down-mix Processing Unit Control Selectors */
+#define UAC2_UD_UNDEFINED		0x00
+#define UAC2_UD_ENABLE			0x01
+#define UAC2_UD_MODE_SELECT		0x02
+#define UAC2_UD_CLUSTER			0x03
+#define UAC2_UD_UNDERFLOW		0x04
+#define UAC2_UD_OVERFLOW		0x05
+#define UAC2_UD_LATENCY			0x06
+
+/* A.17.9.2 Dolby Prologic[tm] Processing Unit Control Selectors */
+#define UAC2_DP_UNDEFINED		0x00
+#define UAC2_DP_ENABLE			0x01
+#define UAC2_DP_MODE_SELECT		0x02
+#define UAC2_DP_CLUSTER			0x03
+#define UAC2_DP_UNDERFFLOW		0x04
+#define UAC2_DP_OVERFLOW		0x05
+#define UAC2_DP_LATENCY			0x06
+
+/* A.17.9.3 Stereo Expander Processing Unit Control Selectors */
+#define UAC2_ST_EXT_UNDEFINED		0x00
+#define UAC2_ST_EXT_ENABLE		0x01
+#define UAC2_ST_EXT_WIDTH		0x02
+#define UAC2_ST_EXT_UNDEFLOW		0x03
+#define UAC2_ST_EXT_OVERFLOW		0x04
+#define UAC2_ST_EXT_LATENCY		0x05
+
+/* A.17.10 Extension Unit Control Selectors */
+#define UAC2_XU_UNDEFINED		0x00
+#define UAC2_XU_ENABLE			0x01
+#define UAC2_XU_CLUSTER			0x02
+#define UAC2_XU_UNDERFLOW		0x03
+#define UAC2_XU_OVERFLOW		0x04
+#define UAC2_XU_LATENCY			0x05
+
+/* A.17.11 AudioStreaming Interface Control Selectors */
+#define UAC2_AS_UNDEFINED		0x00
+#define UAC2_AS_ACT_ALT_SETTING		0x01
+#define UAC2_AS_VAL_ALT_SETTINGS	0x02
+#define UAC2_AS_AUDIO_DATA_FORMAT	0x03
+
+/* A.17.12 Encoder Control Selectors */
+#define UAC2_EN_UNDEFINED		0x00
+#define UAC2_EN_BIT_RATE		0x01
+#define UAC2_EN_QUALITY			0x02
+#define UAC2_EN_VBR			0x03
+#define UAC2_EN_TYPE			0x04
+#define UAC2_EN_UNDERFLOW		0x05
+#define UAC2_EN_OVERFLOW		0x06
+#define UAC2_EN_ENCODER_ERROR		0x07
+#define UAC2_EN_PARAM1			0x08
+#define UAC2_EN_PARAM2			0x09
+#define UAC2_EN_PARAM3			0x0a
+#define UAC2_EN_PARAM4			0x0b
+#define UAC2_EN_PARAM5			0x0c
+#define UAC2_EN_PARAM6			0x0d
+#define UAC2_EN_PARAM7			0x0e
+#define UAC2_EN_PARAM8			0x0f
+
+/* A.17.13.1 MPEG Decoder Control Selectors */
+#define UAC2_MPEG_UNDEFINED		0x00
+#define UAC2_MPEG_DUAL_CHANNEL		0x01
+#define UAC2_MPEG_SECOND_STEREO		0x02
+#define UAC2_MPEG_MULTILINGUAL		0x03
+#define UAC2_MPEG_DYN_RANGE		0x04
+#define UAC2_MPEG_SCALING		0x05
+#define UAC2_MPEG_HILO_SCALING		0x06
+#define UAC2_MPEG_UNDERFLOW		0x07
+#define UAC2_MPEG_OVERFLOW		0x08
+#define UAC2_MPEG_DECODER_ERROR		0x09
+
+/* A17.13.2 AC3 Decoder Control Selectors */
+#define UAC2_AC3_UNDEFINED		0x00
+#define UAC2_AC3_MODE			0x01
+#define UAC2_AC3_DYN_RANGE		0x02
+#define UAC2_AC3_SCALING		0x03
+#define UAC2_AC3_HILO_SCALING		0x04
+#define UAC2_AC3_UNDERFLOW		0x05
+#define UAC2_AC3_OVERFLOW		0x06
+#define UAC2_AC3_DECODER_ERROR		0x07
+
+/* A17.13.3 WMA Decoder Control Selectors */
+#define UAC2_WMA_UNDEFINED		0x00
+#define UAC2_WMA_UNDERFLOW		0x01
+#define UAC2_WMA_OVERFLOW		0x02
+#define UAC2_WMA_DECODER_ERROR		0x03
+
+/* A17.13.4 DTS Decoder Control Selectors */
+#define UAC2_DTS_UNDEFINED		0x00
+#define UAC2_DTS_UNDERFLOW		0x01
+#define UAC2_DTS_OVERFLOW		0x02
+#define UAC2_DTS_DECODER_ERROR		0x03
+
+/* A17.14 Endpoint Control Selectors */
+#define UAC2_EP_CS_UNDEFINED		0x00
+#define UAC2_EP_CS_PITCH		0x01
+#define UAC2_EP_CS_DATA_OVERRUN		0x02
+#define UAC2_EP_CS_DATA_UNDERRUN	0x03
+
+#endif /* __LINUX_USB_AUDIO_V2_H */
+
diff --git a/usb/Makefile b/usb/Makefile
index 78a5270c8..d35199740 100644
--- a/usb/Makefile
+++ b/usb/Makefile
@@ -5,7 +5,8 @@ endif
 include $(SND_TOPDIR)/toplevel.config
 include $(SND_TOPDIR)/Makefile.conf
 
-clean-files := card.c endpoint.c helper.c quirks.c urb.c midi.c usbmixer.c
+clean-files := card.c endpoint.c helper.c quirks.c urb.c midi.c \
+	mixer.c mixer_quirks.c
 
 # for compatibility
 extra-snd-usb-lib-objs := usbcompat.o
@@ -23,4 +24,5 @@ helper.c: helper.patch usbaudio.inc $(SND_TOPDIR)/alsa-kernel/usb/helper.c
 quirks.c: quirks.patch usbaudio.inc $(SND_TOPDIR)/alsa-kernel/usb/quirks.c
 urb.c: urb.patch usbaudio.inc $(SND_TOPDIR)/alsa-kernel/usb/urb.c
 midi.c: midi.patch midi.inc midi.inc1 $(SND_TOPDIR)/alsa-kernel/usb/midi.c
-usbmixer.c: usbmixer.patch $(SND_TOPDIR)/alsa-kernel/usb/usbmixer.c
+mixer.c: mixer.patch $(SND_TOPDIR)/alsa-kernel/usb/mixer.c
+mixer_quirks.c: mixer_quirks.patch $(SND_TOPDIR)/alsa-kernel/usb/mixer_quirks.c
diff --git a/usb/usbmixer.inc b/usb/mixer.inc
index 52670dfa3..52670dfa3 100644
--- a/usb/usbmixer.inc
+++ b/usb/mixer.inc
diff --git a/usb/usbmixer.patch b/usb/mixer.patch
index c25f7e0a8..b3322cbf2 100644
--- a/usb/usbmixer.patch
+++ b/usb/mixer.patch
@@ -1,14 +1,14 @@
---- ../alsa-kernel/usb/usbmixer.c	2010-02-23 17:02:35.031036779 +0100
-+++ usbmixer.c	2010-02-23 17:31:28.919536350 +0100
+--- ../alsa-kernel/usb/mixer.c	2010-03-12 12:21:47.911524364 +0100
++++ mixer.c	2010-03-12 12:26:11.336022654 +0100
 @@ -1,3 +1,5 @@
-+#include "usbmixer.inc"
++#include "mixer.inc"
 +
  /*
   *   (Tentative) USB Audio Driver for ALSA
   *
-@@ -42,6 +44,14 @@
- 
- #include "usbaudio.h"
+@@ -128,6 +130,14 @@
+ 	USB_XU_SOFT_LIMIT_SELECTOR = 0x03	/* soft limiter */
+ };
  
 +#ifndef USB_DT_CS_DEVICE
 +#define USB_DT_CS_DEVICE		0x21
@@ -19,9 +19,9 @@
 +#endif
 +
  /*
-  */
- 
-@@ -1899,7 +1909,11 @@
+  * manual mapping of mixer names
+  * if the mixer topology is too complicated and the parsed names are
+@@ -1967,7 +1977,11 @@
  	}
  }
  
@@ -33,7 +33,7 @@
  {
  	struct usb_mixer_interface *mixer = urb->context;
  
-@@ -1943,7 +1957,11 @@
+@@ -2011,7 +2025,11 @@
  		return 0;
  
  	epnum = usb_endpoint_num(ep);
@@ -45,16 +45,3 @@
  	transfer_buffer = kmalloc(buffer_length, GFP_KERNEL);
  	if (!transfer_buffer)
  		return -ENOMEM;
-@@ -1960,7 +1978,12 @@
- 	return 0;
- }
- 
-+#if !defined(OLD_USB) && !defined(CONFIG_SND_NEW_IRQ_HANDLER)
-+static void snd_usb_soundblaster_remote_complete(struct urb *urb,
-+						 struct pt_regs *regs)
-+#else
- static void snd_usb_soundblaster_remote_complete(struct urb *urb)
-+#endif
- {
- 	struct usb_mixer_interface *mixer = urb->context;
- 	const struct rc_config *rc = mixer->rc_cfg;
diff --git a/usb/mixer_quirks.patch b/usb/mixer_quirks.patch
new file mode 100644
index 000000000..9baa116e2
--- /dev/null
+++ b/usb/mixer_quirks.patch
@@ -0,0 +1,20 @@
+--- ../alsa-kernel/usb/mixer_quirks.c	2010-03-12 12:21:47.911524364 +0100
++++ mixer_quirks.c	2010-03-12 12:35:31.835272055 +0100
+@@ -1,3 +1,4 @@
++#include "mixer.inc"
+ /*
+  *   USB Audio Driver for ALSA
+  *
+@@ -62,7 +63,12 @@
+ 	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
+ };
+ 
++#if !defined(OLD_USB) && !defined(CONFIG_SND_NEW_IRQ_HANDLER)
++static void snd_usb_soundblaster_remote_complete(struct urb *urb,
++						 struct pt_regs *regs)
++#else
+ static void snd_usb_soundblaster_remote_complete(struct urb *urb)
++#endif
+ {
+ 	struct usb_mixer_interface *mixer = urb->context;
+ 	const struct rc_config *rc = mixer->rc_cfg;