patch-2.1.80 linux/drivers/sound/dev_table.c

• Lines: 949
• Date: Tue Jan 20 16:44:57 1998
• Orig file: v2.1.79/linux/drivers/sound/dev_table.c
• Orig date: Tue Jan 6 09:37:35 1998

diff -u --recursive --new-file v2.1.79/linux/drivers/sound/dev_table.c linux/drivers/sound/dev_table.c
@@ -3,6 +3,7 @@
  *
  * Device call tables.
  */
+
 /*
  * Copyright (C) by Hannu Savolainen 1993-1997
  *
@@ -10,22 +11,21 @@
  * Version 2 (June 1991). See the "COPYING" file distributed with this software
  * for more info.
  */
+
 #include <linux/config.h>
 
 
 #define _DEV_TABLE_C_
 #include "sound_config.h"
-int             sb_be_quiet = 0;
-int             softoss_dev = 0;
-
-int             sound_started = 0;
 
-int             sndtable_get_cardcount(void);
+int sb_be_quiet = 0;
+int softoss_dev = 0;
+int sound_started = 0;
+int sndtable_get_cardcount(void);
 
-int
-snd_find_driver(int type)
+int snd_find_driver(int type)
 {
-	int             i, n = num_sound_drivers;
+	int i, n = num_sound_drivers;
 
 	for (i = 0; i < n; i++)
 		if (sound_drivers[i].card_type == type)
@@ -34,10 +34,9 @@
 	return -1;
 }
 
-static void
-start_services(void)
+static void start_services(void)
 {
-	int             soundcards_installed;
+	int soundcards_installed;
 
 #ifdef FIXME
 	if (!(soundcards_installed = sndtable_get_cardcount()))
@@ -46,13 +45,12 @@
 
 #ifdef CONFIG_AUDIO
 	if (num_audiodevs)	/* Audio devices present */
-	  {
-		  int             dev;
-
-		  for (dev = 0; dev < num_audiodevs; dev++)
-		    {
-		    }
-		  audio_init_devices();
+	{
+		int             dev;
+		for (dev = 0; dev < num_audiodevs; dev++)
+		{
+		}
+		audio_init_devices();
 	  }
 #endif
 
@@ -62,17 +60,16 @@
 static void
 start_cards(void)
 {
-	int             i, n = num_sound_cards;
-	int             drv;
+	int i, n = num_sound_cards;
+	int drv;
 
 	sound_started = 1;
 	if (trace_init)
-		printk("Sound initialization started\n");
+		printk(KERN_DEBUG "Sound initialization started\n");
 
 #ifdef CONFIG_LOWLEVEL_SOUND
 	{
-		extern void     sound_preinit_lowlevel_drivers(void);
-
+		extern void sound_preinit_lowlevel_drivers(void);
 		sound_preinit_lowlevel_drivers();
 	}
 #endif
@@ -85,251 +82,244 @@
 		num_sound_cards = i + 1;
 
 	for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
+	{
 		if (snd_installed_cards[i].enabled)
-		  {
-			  snd_installed_cards[i].for_driver_use = NULL;
-
-			  if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) == -1)
-			    {
-				    snd_installed_cards[i].enabled = 0;		/*
-										 * Mark as not detected
-										 */
-				    continue;
-			    }
-			  snd_installed_cards[i].config.card_subtype =
-			      sound_drivers[drv].card_subtype;
+		{
+			snd_installed_cards[i].for_driver_use = NULL;
 
-			  if (sound_drivers[drv].probe(&snd_installed_cards[i].config))
-			    {
-
-				    sound_drivers[drv].attach(&snd_installed_cards[i].config);
-
-			  } else
-				  snd_installed_cards[i].enabled = 0;	/*
+			if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) == -1)
+			{
+				snd_installed_cards[i].enabled = 0;	/*
+									 * Mark as not detected
+									 */
+				continue;
+			}
+			snd_installed_cards[i].config.card_subtype =
+					sound_drivers[drv].card_subtype;
+
+			if (sound_drivers[drv].probe(&snd_installed_cards[i].config))
+				sound_drivers[drv].attach(&snd_installed_cards[i].config);
+			else
+				snd_installed_cards[i].enabled = 0;	/*
 									 * Mark as not detected
 									 */
-		  }
+		}
+	}
 #ifdef CONFIG_LOWLEVEL_SOUND
 	{
 		extern void     sound_init_lowlevel_drivers(void);
-
 		sound_init_lowlevel_drivers();
 	}
 #endif
-
 	if (trace_init)
-		printk("Sound initialization complete\n");
+		printk(KERN_DEBUG "Sound initialization complete\n");
 }
 
-void
-sndtable_init(void)
+void sndtable_init(void)
 {
 	start_cards();
 }
 
 
-void
-sound_unload_drivers(void)
+void sound_unload_drivers(void)
 {
-	int             i, n = num_sound_cards;
-	int             drv;
+	int i, n = num_sound_cards;
+	int drv;
 
 	if (!sound_started)
 		return;
 
 	if (trace_init)
-		printk("Sound unload started\n");
+		printk(KERN_DEBUG "Sound unload started\n");
 
 
 	for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
+	{
 		if (snd_installed_cards[i].enabled)
-		  {
-			  if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) != -1)
-			    {
-				    if (sound_drivers[drv].unload)
-				      {
-					      sound_drivers[drv].unload(&snd_installed_cards[i].config);
-					      snd_installed_cards[i].enabled = 0;
-				      }
-			    }
-		  }
+		{
+			if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) != -1)
+			{
+				if (sound_drivers[drv].unload)
+				{
+					sound_drivers[drv].unload(&snd_installed_cards[i].config);
+					snd_installed_cards[i].enabled = 0;
+				}
+			}
+		}
+	}
+
         for (i=0;i<num_audiodevs;i++)
 		DMAbuf_deinit(i);
 
 	if (trace_init)
-		printk("Sound unload complete\n");
+		printk(KERN_DEBUG "Sound unload complete\n");
 }
 
-void
-sound_unload_driver(int type)
+void sound_unload_driver(int type)
 {
-	int             i, drv = -1, n = num_sound_cards;
+	int i, drv = -1, n = num_sound_cards;
 
 
 	DEB(printk("unload driver %d: ", type));
 
 	for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
+	{
 		if (snd_installed_cards[i].card_type == type)
-		  {
-			  if (snd_installed_cards[i].enabled)
-			    {
-				    if ((drv = snd_find_driver(type)) != -1)
-				      {
-					      DEB(printk(" card %d", i));
-					      if (sound_drivers[drv].unload)
-						{
-							sound_drivers[drv].unload(&snd_installed_cards[i].config);
-							snd_installed_cards[i].enabled = 0;
-						}
-				      }
-			    }
-		  }
+		{
+			if (snd_installed_cards[i].enabled)
+			{
+				if ((drv = snd_find_driver(type)) != -1)
+				{
+					DEB(printk(" card %d", i));
+					if (sound_drivers[drv].unload)
+					{
+						sound_drivers[drv].unload(&snd_installed_cards[i].config);
+						snd_installed_cards[i].enabled = 0;
+					}
+				}
+			}
+		}
+	}
 	DEB(printk("\n"));
 }
 
 
-int
-sndtable_probe(int unit, struct address_info *hw_config)
+int sndtable_probe(int unit, struct address_info *hw_config)
 {
 	int             sel = -1;
 
-	DEB(printk("sndtable_probe(%d)\n", unit));
+	DEB(printk(KERN_DEBUG "sndtable_probe(%d)\n", unit));
 
 	if (!unit)
 		return 1;
 
 
 	if (sel == -1 && num_sound_cards < max_sound_cards)
-	  {
-		  int             i;
-
-		  i = sel = (num_sound_cards++);
-
-		  snd_installed_cards[sel].card_type = unit;
-		  snd_installed_cards[sel].enabled = 1;
-	  }
+	{
+		int i;
+		i = sel = (num_sound_cards++);
+		snd_installed_cards[sel].card_type = unit;
+		snd_installed_cards[sel].enabled = 1;
+	}
 	if (sel != -1)
-	  {
-		  int             drv;
+	{
+		int             drv;
 
-		  snd_installed_cards[sel].for_driver_use = NULL;
-		  snd_installed_cards[sel].config.io_base = hw_config->io_base;
-		  snd_installed_cards[sel].config.irq = hw_config->irq;
-		  snd_installed_cards[sel].config.dma = hw_config->dma;
-		  snd_installed_cards[sel].config.dma2 = hw_config->dma2;
-		  snd_installed_cards[sel].config.name = hw_config->name;
-		  snd_installed_cards[sel].config.always_detect = hw_config->always_detect;
-		  snd_installed_cards[sel].config.driver_use_1 = hw_config->driver_use_1;
-		  snd_installed_cards[sel].config.driver_use_2 = hw_config->driver_use_2;
-		  snd_installed_cards[sel].config.card_subtype = hw_config->card_subtype;
-
-		  if ((drv = snd_find_driver(snd_installed_cards[sel].card_type)) == -1)
-		    {
-			    snd_installed_cards[sel].enabled = 0;
-			    DEB(printk("Failed to find driver\n"));
-			    return 0;
-		    }
-		  DEB(printk("Driver name '%s'\n", sound_drivers[drv].name));
-
-		  hw_config->card_subtype =
-		      snd_installed_cards[sel].config.card_subtype =
-		      sound_drivers[drv].card_subtype;
-
-		  if (sound_drivers[drv].probe(hw_config))
-		    {
-			    DEB(printk("Hardware probed OK\n"));
-			    return 1;
-		    }
-		  DEB(printk("Failed to find hardware\n"));
-		  snd_installed_cards[sel].enabled = 0;		/*
+		snd_installed_cards[sel].for_driver_use = NULL;
+		snd_installed_cards[sel].config.io_base = hw_config->io_base;
+		snd_installed_cards[sel].config.irq = hw_config->irq;
+		snd_installed_cards[sel].config.dma = hw_config->dma;
+		snd_installed_cards[sel].config.dma2 = hw_config->dma2;
+		snd_installed_cards[sel].config.name = hw_config->name;
+		snd_installed_cards[sel].config.always_detect = hw_config->always_detect;
+		snd_installed_cards[sel].config.driver_use_1 = hw_config->driver_use_1;
+		snd_installed_cards[sel].config.driver_use_2 = hw_config->driver_use_2;
+		snd_installed_cards[sel].config.card_subtype = hw_config->card_subtype;
+
+		if ((drv = snd_find_driver(snd_installed_cards[sel].card_type)) == -1)
+		{
+			snd_installed_cards[sel].enabled = 0;
+			DEB(printk(KERN_DEBUG "Failed to find driver\n"));
+			return 0;
+		}
+		DEB(printk(KERN_DEBUG "Driver name '%s'\n", sound_drivers[drv].name));
+
+		hw_config->card_subtype = snd_installed_cards[sel].config.card_subtype = sound_drivers[drv].card_subtype;
+
+		if (sound_drivers[drv].probe(hw_config))
+		{
+			DEB(printk(KERN_DEBUG "Hardware probed OK\n"));
+			return 1;
+		}
+		DEB(printk("Failed to find hardware\n"));
+		snd_installed_cards[sel].enabled = 0;		/*
 								 * Mark as not detected
 								 */
-		  return 0;
-	  }
+		return 0;
+	}
 	return 0;
 }
 
 
-int
-sndtable_init_card(int unit, struct address_info *hw_config)
+int sndtable_init_card(int unit, struct address_info *hw_config)
 {
-	int             i, n = num_sound_cards;
+	int i, n = num_sound_cards;
 
 	DEB(printk("sndtable_init_card(%d) entered\n", unit));
 
 	if (!unit)
-	  {
-		  sndtable_init();
-		  return 1;
-	  }
+	{
+		sndtable_init();
+		return 1;
+	}
 	for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
+	{
 		if (snd_installed_cards[i].card_type == unit)
-		  {
-			  int             drv;
+		{
+			int drv;
 
-			  snd_installed_cards[i].config.io_base = hw_config->io_base;
-			  snd_installed_cards[i].config.irq = hw_config->irq;
-			  snd_installed_cards[i].config.dma = hw_config->dma;
-			  snd_installed_cards[i].config.dma2 = hw_config->dma2;
-			  snd_installed_cards[i].config.name = hw_config->name;
-			  snd_installed_cards[i].config.always_detect = hw_config->always_detect;
-			  snd_installed_cards[i].config.driver_use_1 = hw_config->driver_use_1;
-			  snd_installed_cards[i].config.driver_use_2 = hw_config->driver_use_2;
-			  snd_installed_cards[i].config.card_subtype = hw_config->card_subtype;
+			snd_installed_cards[i].config.io_base = hw_config->io_base;
+			snd_installed_cards[i].config.irq = hw_config->irq;
+			snd_installed_cards[i].config.dma = hw_config->dma;
+			snd_installed_cards[i].config.dma2 = hw_config->dma2;
+			snd_installed_cards[i].config.name = hw_config->name;
+			snd_installed_cards[i].config.always_detect = hw_config->always_detect;
+			snd_installed_cards[i].config.driver_use_1 = hw_config->driver_use_1;
+			snd_installed_cards[i].config.driver_use_2 = hw_config->driver_use_2;
+			snd_installed_cards[i].config.card_subtype = hw_config->card_subtype;
 
-			  if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) == -1)
-				  snd_installed_cards[i].enabled = 0;	/*
+			if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) == -1)
+				snd_installed_cards[i].enabled = 0;	/*
 									 * Mark as not detected
 									 */
-			  else
-			    {
-
-				    DEB(printk("Located card - calling attach routine\n"));
-				    sound_drivers[drv].attach(hw_config);
-
-				    DEB(printk("attach routine finished\n"));
-			    }
-			  start_services();
-			  return 1;
-		  }
+			else
+			{
+				DEB(printk(KERN_DEBUG "Located card - calling attach routine\n"));
+				sound_drivers[drv].attach(hw_config);
+
+				DEB(printk("attach routine finished\n"));
+			}
+			start_services();
+			return 1;
+		}
+	}
 	DEB(printk("sndtable_init_card: No card defined with type=%d, num cards: %d\n", unit, num_sound_cards));
 	return 0;
 }
 
-int
-sndtable_get_cardcount(void)
+int sndtable_get_cardcount(void)
 {
 	return num_audiodevs + num_mixers + num_synths + num_midis;
 }
 
-int
-sndtable_identify_card(char *name)
+int sndtable_identify_card(char *name)
 {
-	int             i, n = num_sound_drivers;
+	int i, n = num_sound_drivers;
 
 	if (name == NULL)
 		return 0;
 
 	for (i = 0; i < n; i++)
+	{
 		if (sound_drivers[i].driver_id != NULL)
-		  {
-			  char           *id = sound_drivers[i].driver_id;
-			  int             j;
-
-			  for (j = 0; j < 80 && name[j] == id[j]; j++)
-				  if (id[j] == 0 && name[j] == 0)	/* Match */
-					  return sound_drivers[i].card_type;
-		  }
+		{
+			char *id = sound_drivers[i].driver_id;
+			int j;
+
+			for (j = 0; j < 80 && name[j] == id[j]; j++)
+				if (id[j] == 0 && name[j] == 0)	/* Match */
+					return sound_drivers[i].card_type;
+		}
+	}
 	return 0;
 }
 
-void
-sound_setup(char *str, int *ints)
+void sound_setup(char *str, int *ints)
 {
-	int             i, n = num_sound_cards;
+	int i, n = num_sound_cards;
 
 	/*
-	   * First disable all drivers
+	 *	First disable all drivers
 	 */
 
 	for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
@@ -338,70 +328,69 @@
 	if (ints[0] == 0 || ints[1] == 0)
 		return;
 	/*
-	   * Then enable them one by time
+	 *	Then enable them one by time
 	 */
 
 	for (i = 1; i <= ints[0]; i++)
-	  {
-		  int             card_type, ioaddr, irq, dma, dma2,
-		                  ptr, j;
-		  unsigned int    val;
-
-		  val = (unsigned int) ints[i];
-
-		  card_type = (val & 0x0ff00000) >> 20;
-
-		  if (card_type > 127)
-		    {
-			    /*
-			     * Add any future extensions here
-			     */
-			    return;
-		    }
-		  ioaddr = (val & 0x000fff00) >> 8;
-		  irq = (val & 0x000000f0) >> 4;
-		  dma = (val & 0x0000000f);
-		  dma2 = (val & 0xf0000000) >> 28;
-
-		  ptr = -1;
-		  for (j = 0; j < n && ptr == -1; j++)
-			  if (snd_installed_cards[j].card_type == card_type &&
-			      !snd_installed_cards[j].enabled)	/*
+	{
+		int card_type, ioaddr, irq, dma, dma2, ptr, j;
+		unsigned int val;
+
+		val = (unsigned int) ints[i];
+		card_type = (val & 0x0ff00000) >> 20;
+
+		if (card_type > 127)
+		{
+			/*
+			 * Add any future extensions here
+			 */
+			return;
+		}
+		ioaddr = (val & 0x000fff00) >> 8;
+		irq = (val & 0x000000f0) >> 4;
+		dma = (val & 0x0000000f);
+		dma2 = (val & 0xf0000000) >> 28;
+
+		ptr = -1;
+		for (j = 0; j < n && ptr == -1; j++)
+		{
+			if (snd_installed_cards[j].card_type == card_type &&
+				!snd_installed_cards[j].enabled)/*
 								 * Not already found
 								 */
-				  ptr = j;
+				ptr = j;
+		}
 
-		  if (ptr == -1)
-			  printk("Sound: Invalid setup parameter 0x%08x\n", val);
-		  else
-		    {
-			    snd_installed_cards[ptr].enabled = 1;
-			    snd_installed_cards[ptr].config.io_base = ioaddr;
-			    snd_installed_cards[ptr].config.irq = irq;
-			    snd_installed_cards[ptr].config.dma = dma;
-			    snd_installed_cards[ptr].config.dma2 = dma2;
-			    snd_installed_cards[ptr].config.name = NULL;
-			    snd_installed_cards[ptr].config.always_detect = 0;
-			    snd_installed_cards[ptr].config.driver_use_1 = 0;
-			    snd_installed_cards[ptr].config.driver_use_2 = 0;
-			    snd_installed_cards[ptr].config.card_subtype = 0;
-		    }
-	  }
+		if (ptr == -1)
+			printk(KERN_ERR "Sound: Invalid setup parameter 0x%08x\n", val);
+		else
+		{
+			snd_installed_cards[ptr].enabled = 1;
+			snd_installed_cards[ptr].config.io_base = ioaddr;
+			snd_installed_cards[ptr].config.irq = irq;
+			snd_installed_cards[ptr].config.dma = dma;
+			snd_installed_cards[ptr].config.dma2 = dma2;
+			snd_installed_cards[ptr].config.name = NULL;
+			snd_installed_cards[ptr].config.always_detect = 0;
+			snd_installed_cards[ptr].config.driver_use_1 = 0;
+			snd_installed_cards[ptr].config.driver_use_2 = 0;
+			snd_installed_cards[ptr].config.card_subtype = 0;
+		}
+	}
 }
 
 
-struct address_info
-               *
-sound_getconf(int card_type)
+struct address_info * sound_getconf(int card_type)
 {
-	int             j, ptr;
-	int             n = num_sound_cards;
+	int j, ptr;
+	int n = num_sound_cards;
 
 	ptr = -1;
 	for (j = 0; j < n && ptr == -1 && snd_installed_cards[j].card_type; j++)
+	{
 		if (snd_installed_cards[j].card_type == card_type)
 			ptr = j;
-
+	}
 	if (ptr == -1)
 		return (struct address_info *) NULL;
 
@@ -410,60 +399,51 @@
 
 
 
-int
-sound_install_audiodrv(int vers,
-		       char *name,
-		       struct audio_driver *driver,
-		       int driver_size,
-		       int flags,
-		       unsigned int format_mask,
-		       void *devc,
-		       int dma1,
-		       int dma2)
+int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver,
+			int driver_size, int flags, unsigned int format_mask,
+			void *devc, int dma1, int dma2)
 {
 #ifdef CONFIG_AUDIO
 	struct audio_driver *d;
 	struct audio_operations *op;
-	int             l, num;
+	int l, num;
 
-	if (vers != AUDIO_DRIVER_VERSION ||
-	    driver_size > sizeof(struct audio_driver))
-	  {
-		  printk(KERN_ERR "Sound: Incompatible audio driver for %s\n", name);
-		  return -(EINVAL);
-	  }
+	if (vers != AUDIO_DRIVER_VERSION || driver_size > sizeof(struct audio_driver))
+	{
+		printk(KERN_ERR "Sound: Incompatible audio driver for %s\n", name);
+		return -(EINVAL);
+	}
 	num = sound_alloc_audiodev();
 
 	if (num == -1)
-	  {
-		  printk(KERN_ERR "sound: Too many audio drivers\n");
-		  return -(EBUSY);
-	  }
+	{
+		printk(KERN_ERR "sound: Too many audio drivers\n");
+		return -(EBUSY);
+	}
 	d = (struct audio_driver *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_driver)));
 	sound_mem_sizes[sound_nblocks] = sizeof(struct audio_driver);
 
 	if (sound_nblocks < 1024)
-		sound_nblocks++;;
+		sound_nblocks++;
 
 	op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_operations)));
 	sound_mem_sizes[sound_nblocks] = sizeof(struct audio_operations);
 
 	if (sound_nblocks < 1024)
-		sound_nblocks++;;
+		sound_nblocks++;
 	if (d == NULL || op == NULL)
-	  {
-		  printk(KERN_ERR "Sound: Can't allocate driver for (%s)\n", name);
-		  sound_unload_audiodev(num);
-		  return -(ENOMEM);
-	  }
+	{
+		printk(KERN_ERR "Sound: Can't allocate driver for (%s)\n", name);
+		sound_unload_audiodev(num);
+		return -(ENOMEM);
+	}
 	memset((char *) op, 0, sizeof(struct audio_operations));
 	if (driver_size < sizeof(struct audio_driver))
-		                memset((char *) d, 0, sizeof(struct audio_driver));
+		memset((char *) d, 0, sizeof(struct audio_driver));
 
 	memcpy((char *) d, (char *) driver, driver_size);
 
 	op->d = d;
-
 	l = strlen(name) + 1;
 	if (l > sizeof(op->name))
 		l = sizeof(op->name);
@@ -473,9 +453,9 @@
 	op->format_mask = format_mask;
 	op->devc = devc;
 
-/*
- *    Hardcoded defaults
- */
+	/*
+	 *    Hardcoded defaults
+	 */
 	audio_devs[num] = op;
 
 	DMAbuf_init(num, dma1, dma2);
@@ -487,41 +467,40 @@
 #endif
 }
 
-int
-sound_install_mixer(int vers,
-		    char *name,
-		    struct mixer_operations *driver,
-		    int driver_size,
-		    void *devc)
+int sound_install_mixer(int vers, char *name, struct mixer_operations *driver,
+	int driver_size, void *devc)
 {
 	struct mixer_operations *op;
-	int             l;
+	int l;
 
-	int             n = sound_alloc_mixerdev();
+	int n = sound_alloc_mixerdev();
 
 	if (n == -1)
-	  {
-		  printk(KERN_ERR "Sound: Too many mixer drivers\n");
-		  return -(EBUSY);
-	  }
+	{
+		printk(KERN_ERR "Sound: Too many mixer drivers\n");
+		return -EBUSY;
+	}
 	if (vers != MIXER_DRIVER_VERSION ||
-	    driver_size > sizeof(struct mixer_operations))
-	  {
-		  printk(KERN_ERR "Sound: Incompatible mixer driver for %s\n", name);
-		  return -(EINVAL);
-	  }
+		driver_size > sizeof(struct mixer_operations))
+	{
+		printk(KERN_ERR "Sound: Incompatible mixer driver for %s\n", name);
+		return -EINVAL;
+	}
+	
+	/* FIXME: This leaks a mixer_operations struct every time its called
+	   until you unload sound! */
+	   
 	op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct mixer_operations)));
 	sound_mem_sizes[sound_nblocks] = sizeof(struct mixer_operations);
 
 	if (sound_nblocks < 1024)
-		sound_nblocks++;;
+		sound_nblocks++;
 	if (op == NULL)
-	  {
-		  printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name);
-		  return -(ENOMEM);
-	  }
+	{
+		printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name);
+		return -ENOMEM;
+	}
 	memset((char *) op, 0, sizeof(struct mixer_operations));
-
 	memcpy((char *) op, (char *) driver, driver_size);
 
 	l = strlen(name) + 1;
@@ -535,108 +514,99 @@
 	return n;
 }
 
-void
-sound_unload_audiodev(int dev)
+void sound_unload_audiodev(int dev)
 {
 	if (dev != -1)
 		audio_devs[dev] = NULL;
 }
 
-int
-sound_alloc_audiodev(void)
+int sound_alloc_audiodev(void)
 {
-	int             i;
+	int i;
 
 	for (i = 0; i < MAX_AUDIO_DEV; i++)
-	  {
-		  if (audio_devs[i] == NULL)
-		    {
-			    if (i >= num_audiodevs)
-				    num_audiodevs = i + 1;
-			    return i;
-		    }
-	  }
+	{
+		if (audio_devs[i] == NULL)
+		{
+			if (i >= num_audiodevs)
+				num_audiodevs = i + 1;
+			return i;
+		}
+	}
 	return -1;
 }
 
-int
-sound_alloc_mididev(void)
+int sound_alloc_mididev(void)
 {
-	int             i;
+	int i;
 
 	for (i = 0; i < MAX_MIDI_DEV; i++)
-	  {
-		  if (midi_devs[i] == NULL)
-		    {
-			    if (i >= num_midis)
-				    num_midis++;
-			    return i;
-		    }
-	  }
-
+	{
+		if (midi_devs[i] == NULL)
+		{
+			if (i >= num_midis)
+				num_midis++;
+			return i;
+		}
+	}
 	return -1;
 }
 
-int
-sound_alloc_synthdev(void)
+int sound_alloc_synthdev(void)
 {
-	int             i;
+	int i;
 
 	for (i = 0; i < MAX_SYNTH_DEV; i++)
-	  {
-		  if (synth_devs[i] == NULL)
-		    {
-			    if (i >= num_synths)
-				    num_synths++;
-			    return i;
-		    }
-	  }
+	{
+		if (synth_devs[i] == NULL)
+		{
+			if (i >= num_synths)
+				num_synths++;
+			return i;
+		}
+	}
 	return -1;
 }
 
-int
-sound_alloc_mixerdev(void)
+int sound_alloc_mixerdev(void)
 {
-	int             i;
+	int i;
 
 	for (i = 0; i < MAX_MIXER_DEV; i++)
-	  {
-		  if (mixer_devs[i] == NULL)
-		    {
-			    if (i >= num_mixers)
-				    num_mixers++;
-			    return i;
-		    }
-	  }
+	{
+		if (mixer_devs[i] == NULL)
+		{
+			if (i >= num_mixers)
+				num_mixers++;
+			return i;
+		}
+	}
 	return -1;
 }
 
-int
-sound_alloc_timerdev(void)
+int sound_alloc_timerdev(void)
 {
-	int             i;
+	int i;
 
 	for (i = 0; i < MAX_TIMER_DEV; i++)
-	  {
-		  if (sound_timer_devs[i] == NULL)
-		    {
-			    if (i >= num_sound_timers)
-				    num_sound_timers++;
-			    return i;
-		    }
-	  }
+	{
+		if (sound_timer_devs[i] == NULL)
+		{
+			if (i >= num_sound_timers)
+				num_sound_timers++;
+			return i;
+		}
+	}
 	return -1;
 }
 
-void
-sound_unload_mixerdev(int dev)
+void sound_unload_mixerdev(int dev)
 {
 	if (dev != -1)
 		mixer_devs[dev] = NULL;
 }
 
-void
-sound_unload_mididev(int dev)
+void sound_unload_mididev(int dev)
 {
 #ifdef CONFIG_MIDI
 	if (dev != -1)
@@ -644,16 +614,15 @@
 #endif
 }
 
-void
-sound_unload_synthdev(int dev)
+void sound_unload_synthdev(int dev)
 {
 	if (dev != -1)
 		synth_devs[dev] = NULL;
 }
 
-void
-sound_unload_timerdev(int dev)
+void sound_unload_timerdev(int dev)
 {
 	if (dev != -1)
 		sound_timer_devs[dev] = NULL;
 }
+