ALSA: asihpi - checkpatch, no parens on return value

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

7 files changed, 69 insertions, 70 deletions

diff --git a/pci/asihpi/asihpi.c b/pci/asihpi/asihpi.c
index 8aa1231c8..e7604d772 100644
--- a/pci/asihpi/asihpi.c
+++ b/pci/asihpi/asihpi.c
@@ -199,7 +199,7 @@ static u16 hpi_stream_host_buffer_attach(
 	hm.u.d.u.buffer.pci_address = pci_address;
 	hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
 	hpi_send_recv(&hm, &hr);
-	return(hr.error);
+	return hr.error;
 }
 
 static u16 hpi_stream_host_buffer_detach(
@@ -223,7 +223,7 @@ static u16 hpi_stream_host_buffer_detach(
 				&hm.obj_index);
 	hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
 	hpi_send_recv(&hm, &hr);
-	return(hr.error);
+	return hr.error;
 }
 
 static inline u16 hpi_stream_start(struct hpi_hsubsys *hS, u32 h_stream)
@@ -1539,7 +1539,7 @@ static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
 	snd_control.put = snd_asihpi_volume_put;
 	snd_control.tlv.p = db_scale_100;
 
-	return (ctl_add(card, &snd_control, asihpi));
+	return ctl_add(card, &snd_control, asihpi);
 }
 
 /*------------------------------------------------------------
@@ -1622,7 +1622,7 @@ static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
 	snd_control.put = snd_asihpi_level_put;
 	snd_control.tlv.p = db_scale_level;
 
-	return (ctl_add(card, &snd_control, asihpi));
+	return ctl_add(card, &snd_control, asihpi);
 }
 
 /*------------------------------------------------------------
@@ -2043,7 +2043,7 @@ static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
 	snd_control.get = snd_asihpi_tuner_freq_get;
 	snd_control.put = snd_asihpi_tuner_freq_put;
 
-	return (ctl_add(card, &snd_control, asihpi));
+	return ctl_add(card, &snd_control, asihpi);
 }
 
 /*------------------------------------------------------------
@@ -2142,7 +2142,7 @@ static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
 		if (err)
 			break;
 	}
-	return (s);
+	return s;
 }
 
 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
@@ -2236,7 +2236,7 @@ static int  __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
 	snd_control.get = snd_asihpi_mux_get;
 	snd_control.put = snd_asihpi_mux_put;
 
-	return (ctl_add(card, &snd_control, asihpi));
+	return ctl_add(card, &snd_control, asihpi);
 
 }
 
@@ -2314,7 +2314,7 @@ static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
 	snd_control.get = snd_asihpi_cmode_get;
 	snd_control.put = snd_asihpi_cmode_put;
 
-	return (ctl_add(card, &snd_control, asihpi));
+	return ctl_add(card, &snd_control, asihpi);
 }
 
 /*------------------------------------------------------------
@@ -2544,7 +2544,7 @@ static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
 	snd_control.info = snd_asihpi_clkrate_info;
 	snd_control.get = snd_asihpi_clkrate_get;
 
-	return (ctl_add(card, &snd_control, asihpi));
+	return ctl_add(card, &snd_control, asihpi);
 }
 /*------------------------------------------------------------
    Mixer
diff --git a/pci/asihpi/hpi6000.c b/pci/asihpi/hpi6000.c
index 3a0c651c7..4ce1e93d7 100644
--- a/pci/asihpi/hpi6000.c
+++ b/pci/asihpi/hpi6000.c
@@ -1,7 +1,7 @@
 /******************************************************************************
 
     AudioScience HPI driver
-    Copyright (C) 1997-2003  AudioScience Inc. <support@audioscience.com>
+    Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of version 2 of the GNU General Public License as
@@ -566,7 +566,7 @@ static short create_adapter_obj(struct hpi_adapter_obj *pao,
 
 	boot_error = hpi6000_adapter_boot_load_dsp(pao, pos_error_code);
 	if (boot_error)
-		return (boot_error);
+		return boot_error;
 
 	HPI_DEBUG_LOG(INFO, "bootload DSP OK\n");
 
@@ -596,7 +596,7 @@ static short create_adapter_obj(struct hpi_adapter_obj *pao,
 		error = hpi6000_message_response_sequence(pao, 0, &hM, &hR0);
 		if (hR0.error) {
 			HPI_DEBUG_LOG(DEBUG, "message error %d\n", hR0.error);
-			return (hR0.error);	/*error */
+			return hR0.error;
 		}
 		if (phw->num_dsp == 2) {
 			error = hpi6000_message_response_sequence(pao, 1, &hM,
@@ -696,7 +696,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 		boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x8800);
 		break;
 	default:
-		return (HPI6000_ERROR_UNHANDLED_SUBSYS_ID);
+		return HPI6000_ERROR_UNHANDLED_SUBSYS_ID;
 	}
 
 	/* reset all DSPs, indicate two DSPs are present
@@ -715,7 +715,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 	if (delay != dw2040_reset) {
 		HPI_DEBUG_LOG(ERROR, "INIT_PCI2040 %x %x\n", dw2040_reset,
 			delay);
-		return (HPI6000_ERROR_INIT_PCI2040);
+		return HPI6000_ERROR_INIT_PCI2040;
 	}
 
 	/* Indicate that DSP#0,1 is a C6X */
@@ -763,7 +763,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 			if (data != test_data) {
 				HPI_DEBUG_LOG(ERROR, "INIT_DSPHPI %x %x %x\n",
 					test_data, data, dsp_index);
-				return (HPI6000_ERROR_INIT_DSPHPI);
+				return HPI6000_ERROR_INIT_DSPHPI;
 			}
 			test_data = test_data << 1;
 		}
@@ -825,7 +825,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 						test_addr + i, test_data,
 						data, dsp_index);
 
-					return (HPI6000_ERROR_INIT_DSPINTMEM);
+					return HPI6000_ERROR_INIT_DSPINTMEM;
 				}
 				test_data = test_data << 1;
 			}
@@ -945,7 +945,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 						test_addr, test_data, data,
 						dsp_index);
 
-					return (HPI6000_ERROR_INIT_SDRAM1);
+					return HPI6000_ERROR_INIT_SDRAM1;
 				}
 				test_data = test_data << 1;
 			}
@@ -967,7 +967,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 						"DSP dram %x %x %x %x\n",
 						test_addr + i, test_data,
 						data, dsp_index);
-					return (HPI6000_ERROR_INIT_SDRAM2);
+					return HPI6000_ERROR_INIT_SDRAM2;
 				}
 				test_data++;
 			}
@@ -982,7 +982,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 			pos_error_code);
 
 		if (error)
-			return (error);
+			return error;
 
 		while (1) {
 			u32 length;
@@ -1014,7 +1014,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 
 		if (error) {
 			hpi_dsp_code_close(&dsp_code);
-			return (error);
+			return error;
 		}
 		/* verify that code was written correctly */
 		/* this time through, assume no errors in DSP code file/array */
@@ -1051,7 +1051,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 		}
 		hpi_dsp_code_close(&dsp_code);
 		if (error)
-			return (error);
+			return error;
 
 		/* zero out the hostmailbox */
 		{
@@ -1104,7 +1104,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 				hpios_delay_micro_seconds(1000);
 		}
 		if (timeout == 0)
-			return (HPI6000_ERROR_INIT_NOACK);
+			return HPI6000_ERROR_INIT_NOACK;
 
 		/* read the DSP adapter Info from the */
 		/* hostmailbox structure after starting the DSP */
@@ -1150,7 +1150,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 			if (read != test_data) {
 				HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
 					read);
-				return (HPI6000_ERROR_INIT_PLDTEST1);
+				return HPI6000_ERROR_INIT_PLDTEST1;
 			}
 			test_data = 0x55555500L & mask;
 			hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
@@ -1159,7 +1159,7 @@ static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 			if (read != test_data) {
 				HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
 					read);
-				return (HPI6000_ERROR_INIT_PLDTEST2);
+				return HPI6000_ERROR_INIT_PLDTEST2;
 			}
 		}
 	}	/* for numDSP */
@@ -1203,7 +1203,7 @@ static u32 hpi_read_word(struct dsp_obj *pdo, u32 address)
 
 	/* take care of errata in revB DSP (2.0.1) */
 	data = ioread32(pdo->prHPI_data);
-	return (data);
+	return data;
 }
 
 /* write a block of 32bit words to the DSP HPI port using auto-inc mode */
diff --git a/pci/asihpi/hpi6205.c b/pci/asihpi/hpi6205.c
index 83ce029c4..43ef85b65 100644
--- a/pci/asihpi/hpi6205.c
+++ b/pci/asihpi/hpi6205.c
@@ -1,7 +1,7 @@
 /******************************************************************************
 
     AudioScience HPI driver
-    Copyright (C) 1997-2003  AudioScience Inc. <support@audioscience.com>
+    Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of version 2 of the GNU General Public License as
@@ -585,13 +585,13 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 	if (err)
 		/* no need to clean up as SubSysCreateAdapter */
 		/* calls DeleteAdapter on error. */
-		return (err);
+		return err;
 
 	HPI_DEBUG_LOG(INFO, "load DSP code OK\n");
 
 	/* allow boot load even if mem alloc wont work */
 	if (!phw->p_interface_buffer)
-		return (hpi6205_error(0, HPI_ERROR_MEMORY_ALLOC));
+		return hpi6205_error(0, HPI_ERROR_MEMORY_ALLOC);
 
 	interface = phw->p_interface_buffer;
 
@@ -609,7 +609,7 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 		HPI_DEBUG_LOG(ERROR,
 			"timed out waiting for interrupt "
 			"confirming DSP code running\n");
-		return (hpi6205_error(0, HPI6205_ERROR_6205_NO_IRQ));
+		return hpi6205_error(0, HPI6205_ERROR_6205_NO_IRQ);
 	}
 
 	/* reset the interrupt */
@@ -619,7 +619,7 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 	/* make sure the DSP has started ok */
 	if (!wait_dsp_ack(phw, H620_HIF_RESET, HPI6205_TIMEOUT * 10)) {
 		HPI_DEBUG_LOG(ERROR, "timed out waiting reset state \n");
-		return (hpi6205_error(0, HPI6205_ERROR_6205_INIT_FAILED));
+		return hpi6205_error(0, HPI6205_ERROR_6205_INIT_FAILED);
 	}
 	/* Note that *pao, *phw are zeroed after allocation,
 	 * so pointers and flags are NULL by default.
@@ -709,10 +709,10 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 		if (err) {
 			HPI_DEBUG_LOG(ERROR, "message transport error %d\n",
 				err);
-			return (err);
+			return err;
 		}
 		if (hR.error)
-			return (hR.error);
+			return hR.error;
 
 		pao->adapter_type = hR.u.a.adapter_type;
 		pao->index = hR.u.a.adapter_index;
@@ -731,7 +731,7 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 	pao->open = 0;	/* upon creation the adapter is closed */
 
 	HPI_DEBUG_LOG(INFO, "bootload DSP OK\n");
-	return (0);
+	return 0;
 }
 
 /** Free memory areas allocated by adapter
@@ -1440,26 +1440,26 @@ static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 
 		err = boot_loader_config_emif(pao, dsp);
 		if (err)
-			return (err);
+			return err;
 
 		err = boot_loader_test_internal_memory(pao, dsp);
 		if (err)
-			return (err);
+			return err;
 
 		err = boot_loader_test_external_memory(pao, dsp);
 		if (err)
-			return (err);
+			return err;
 
 		err = boot_loader_test_pld(pao, dsp);
 		if (err)
-			return (err);
+			return err;
 
 		/* write the DSP code down into the DSPs memory */
 		dsp_code.ps_dev = pao->pci.p_os_data;
 		err = hpi_dsp_code_open(boot_code_id[dsp], &dsp_code,
 			pos_error_code);
 		if (err)
-			return (err);
+			return err;
 
 		while (1) {
 			u32 length;
@@ -1500,7 +1500,7 @@ static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 		}
 		if (err) {
 			hpi_dsp_code_close(&dsp_code);
-			return (err);
+			return err;
 		}
 
 		/* verify code */
@@ -1535,7 +1535,7 @@ static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 		}
 		hpi_dsp_code_close(&dsp_code);
 		if (err)
-			return (err);
+			return err;
 	}
 
 	/* After bootloading all DSPs, start DSP0 running
@@ -1899,7 +1899,7 @@ static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
 					"memtest error details  "
 					"%08x %08x %08x %i\n", test_addr,
 					test_data, data, dsp_index);
-				return (1);	/* error */
+				return 1;	/* error */
 			}
 			test_data = test_data << 1;
 		}	/* for(j) */
@@ -1919,7 +1919,7 @@ static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
 				"memtest error details  "
 				"%08x %08x %08x %i\n", test_addr, test_data,
 				data, dsp_index);
-			return (1);	/* error */
+			return 1;	/* error */
 		}
 		/* leave location as zero */
 		boot_loader_write_mem32(pao, dsp_index, test_addr, 0x0);
@@ -1930,7 +1930,7 @@ static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
 		test_addr = start_address + i * 4;
 		boot_loader_write_mem32(pao, dsp_index, test_addr, 0x0);
 	}
-	return (0);	/*success! */
+	return 0;
 }
 
 static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao,
@@ -1959,7 +1959,7 @@ static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao,
 		return hpi6205_error(dsp_index, HPI6205_ERROR_BAD_DSPINDEX);
 
 	if (err)
-		return (hpi6205_error(dsp_index, HPI6205_ERROR_DSP_INTMEM));
+		return hpi6205_error(dsp_index, HPI6205_ERROR_DSP_INTMEM);
 	else
 		return 0;
 }
@@ -1978,7 +1978,7 @@ static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao,
 			dRAM_size = 0x200000;
 			/*dwDRAMinc=1024; */
 		} else
-			return (0);
+			return 0;
 	} else if ((dsp_index == 1) || (dsp_index == 2)) {
 		/* DSP 1 is a C6713 */
 		dRAM_start_address = 0x80000000;
@@ -1989,7 +1989,7 @@ static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao,
 
 	if (boot_loader_test_memory(pao, dsp_index, dRAM_start_address,
 			dRAM_size))
-		return (hpi6205_error(dsp_index, HPI6205_ERROR_DSP_EXTMEM));
+		return hpi6205_error(dsp_index, HPI6205_ERROR_DSP_EXTMEM);
 	return 0;
 }
 
@@ -2003,13 +2003,13 @@ static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index)
 			data = boot_loader_read_mem32(pao, dsp_index,
 				0x03000008);
 			if ((data & 0xF) != 0x5)
-				return (hpi6205_error(dsp_index,
-						HPI6205_ERROR_DSP_PLD));
+				return hpi6205_error(dsp_index,
+					HPI6205_ERROR_DSP_PLD);
 			data = boot_loader_read_mem32(pao, dsp_index,
 				0x0300000C);
 			if ((data & 0xF) != 0xA)
-				return (hpi6205_error(dsp_index,
-						HPI6205_ERROR_DSP_PLD));
+				return hpi6205_error(dsp_index,
+					HPI6205_ERROR_DSP_PLD);
 		}
 	} else if (dsp_index == 1) {
 		/* DSP 1 is a C6713 */
@@ -2018,14 +2018,14 @@ static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index)
 			data = boot_loader_read_mem32(pao, dsp_index,
 				0x90000010);
 			if ((data & 0xFF) != 0xAA)
-				return (hpi6205_error(dsp_index,
-						HPI6205_ERROR_DSP_PLD));
+				return hpi6205_error(dsp_index,
+					HPI6205_ERROR_DSP_PLD);
 			/* 8713 - LED on */
 			boot_loader_write_mem32(pao, dsp_index, 0x90000000,
 				0x02);
 		}
 	}
-	return (0);
+	return 0;
 }
 
 /** Transfer data to or from DSP
@@ -2188,8 +2188,7 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao,
 
 	if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT)) {
 		HPI_DEBUG_LOG(DEBUG, "timeout waiting for idle\n");
-		return (hpi6205_error(0,
-				HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT));
+		return hpi6205_error(0, HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT);
 	}
 	interface->u.message_buffer = *phm;
 	/* signal we want a response */
@@ -2259,8 +2258,8 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao,
 			HPI_DEBUG_LOG(DEBUG,
 				"timeout waiting for idle "
 				"(on adapter_close)\n");
-			return (hpi6205_error(0,
-					HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT));
+			return hpi6205_error(0,
+				HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT);
 		}
 	}
 	err = hpi_validate_response(phm, phr);
diff --git a/pci/asihpi/hpicmn.c b/pci/asihpi/hpicmn.c
index f4efea4b6..6b666372f 100644
--- a/pci/asihpi/hpicmn.c
+++ b/pci/asihpi/hpicmn.c
@@ -1,7 +1,7 @@
 /******************************************************************************
 
     AudioScience HPI driver
-    Copyright (C) 1997-2003  AudioScience Inc. <support@audioscience.com>
+    Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of version 2 of the GNU General Public License as
@@ -110,13 +110,13 @@ struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index)
 		   HPI_DEBUG_LOG(VERBOSE, "Found adapter index %d\n",
 		   wAdapterIndex);
 		 */
-		return (pao);
+		return pao;
 	} else {
 		/*
 		   HPI_DEBUG_LOG(VERBOSE, "No adapter index %d\n",
 		   wAdapterIndex);
 		 */
-		return (NULL);
+		return NULL;
 	}
 }
 
diff --git a/pci/asihpi/hpidebug.c b/pci/asihpi/hpidebug.c
index 6b62d772b..a2544c9fd 100644
--- a/pci/asihpi/hpidebug.c
+++ b/pci/asihpi/hpidebug.c
@@ -1,7 +1,7 @@
 /************************************************************************
 
     AudioScience HPI driver
-    Copyright (C) 1997-2003  AudioScience Inc. <support@audioscience.com>
+    Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of version 2 of the GNU General Public License as
@@ -42,7 +42,7 @@ int hpi_debug_level_set(int level)
 
 int hpi_debug_level_get(void)
 {
-	return (hpi_debug_level);
+	return hpi_debug_level;
 }
 
 #ifdef HPIOS_DEBUG_PRINT
diff --git a/pci/asihpi/hpidspcd.c b/pci/asihpi/hpidspcd.c
index a478be306..4a8935cbe 100644
--- a/pci/asihpi/hpidspcd.c
+++ b/pci/asihpi/hpidspcd.c
@@ -2,7 +2,7 @@
 /*!
 
     AudioScience HPI driver
-    Copyright (C) 1997-2003  AudioScience Inc. <support@audioscience.com>
+    Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of version 2 of the GNU General Public License as
@@ -128,7 +128,7 @@ error2:
 error1:
 	ps_dsp_code->ps_firmware = NULL;
 	ps_dsp_code->block_length = 0;
-	return (HPI_ERROR_DSP_FILE_NOT_FOUND);
+	return HPI_ERROR_DSP_FILE_NOT_FOUND;
 }
 
 /*-------------------------------------------------------------------*/
@@ -166,11 +166,11 @@ short hpi_dsp_code_read_block(size_t words_requested,
 {
 	if (ps_dsp_code->word_count + words_requested >
 		ps_dsp_code->block_length)
-		return (HPI_ERROR_DSP_FILE_FORMAT);
+		return HPI_ERROR_DSP_FILE_FORMAT;
 
 	*ppblock =
 		((u32 *)(ps_dsp_code->ps_firmware->data)) +
 		ps_dsp_code->word_count;
 	ps_dsp_code->word_count += words_requested;
-	return (0);
+	return 0;
 }
diff --git a/pci/asihpi/hpifunc.c b/pci/asihpi/hpifunc.c
index 6932459f7..4e0f76df5 100644
--- a/pci/asihpi/hpifunc.c
+++ b/pci/asihpi/hpifunc.c
@@ -110,10 +110,10 @@ struct hpi_hsubsys *hpi_subsys_create(void
 		hpi_send_recv(&hm, &hr);
 
 		if (hr.error == 0)
-			return (&gh_subsys);
+			return &gh_subsys;
 
 	}
-	return (NULL);
+	return NULL;
 }
 
 void hpi_subsys_free(const struct hpi_hsubsys *ph_subsys)
@@ -2346,7 +2346,7 @@ u16 hpi_microphone_get_phantom_power(const struct hpi_hsubsys *ph_subsys,
 		HPI_MICROPHONE_PHANTOM_POWER, &on_off);
 	if (pw_on_off)
 		*pw_on_off = (u16)on_off;
-	return (error);
+	return error;
 }
 
 u16 hpi_multiplexer_set_source(const struct hpi_hsubsys *ph_subsys,
@@ -3617,7 +3617,7 @@ u16 hpi_async_event_wait(const struct hpi_hsubsys *ph_subsys, u32 h_async,
 	u16 maximum_events, struct hpi_async_event *p_events,
 	u16 *pw_number_returned)
 {
-	return (0);
+	return 0;
 }
 
 u16 hpi_async_event_get_count(const struct hpi_hsubsys *ph_subsys,