diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 94e07a7c..ab9075f 100644
--- a/sound/isa/cs423x/cs4231_lib.c
+++ b/sound/isa/cs423x/cs4231_lib.c
@@ -73,13 +73,13 @@
 	27042, 32000, 33075, 37800, 44100, 48000
 };
 
-static snd_pcm_hw_constraint_list_t hw_constraints_rates = {
+static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 	.count = 14,
 	.list = rates,
 	.mask = 0,
 };
 
-static int snd_cs4231_xrate(snd_pcm_runtime_t *runtime)
+static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime)
 {
 	return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
 }
@@ -124,17 +124,17 @@
  *  Basic I/O functions
  */
 
-static inline void cs4231_outb(cs4231_t *chip, u8 offset, u8 val)
+static inline void cs4231_outb(struct snd_cs4231 *chip, u8 offset, u8 val)
 {
 	outb(val, chip->port + offset);
 }
 
-static inline u8 cs4231_inb(cs4231_t *chip, u8 offset)
+static inline u8 cs4231_inb(struct snd_cs4231 *chip, u8 offset)
 {
 	return inb(chip->port + offset);
 }
 
-static void snd_cs4231_outm(cs4231_t *chip, unsigned char reg,
+static void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg,
 			    unsigned char mask, unsigned char value)
 {
 	int timeout;
@@ -161,7 +161,7 @@
 	}
 }
 
-static void snd_cs4231_dout(cs4231_t *chip, unsigned char reg, unsigned char value)
+static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned char value)
 {
 	int timeout;
 
@@ -174,7 +174,7 @@
 	mb();
 }
 
-void snd_cs4231_out(cs4231_t *chip, unsigned char reg, unsigned char value)
+void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char value)
 {
 	int timeout;
 
@@ -195,7 +195,7 @@
 #endif
 }
 
-unsigned char snd_cs4231_in(cs4231_t *chip, unsigned char reg)
+unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg)
 {
 	int timeout;
 
@@ -212,7 +212,7 @@
 	return cs4231_inb(chip, CS4231P(REG));
 }
 
-void snd_cs4236_ext_out(cs4231_t *chip, unsigned char reg, unsigned char val)
+void snd_cs4236_ext_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val)
 {
 	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17);
 	cs4231_outb(chip, CS4231P(REG), reg | (chip->image[CS4236_EXT_REG] & 0x01));
@@ -223,7 +223,7 @@
 #endif
 }
 
-unsigned char snd_cs4236_ext_in(cs4231_t *chip, unsigned char reg)
+unsigned char snd_cs4236_ext_in(struct snd_cs4231 *chip, unsigned char reg)
 {
 	cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17);
 	cs4231_outb(chip, CS4231P(REG), reg | (chip->image[CS4236_EXT_REG] & 0x01));
@@ -241,7 +241,7 @@
 
 #if 0
 
-static void snd_cs4231_debug(cs4231_t *chip)
+static void snd_cs4231_debug(struct snd_cs4231 *chip)
 {
 	printk("CS4231 REGS:      INDEX = 0x%02x  ", cs4231_inb(chip, CS4231P(REGSEL)));
 	printk("                 STATUS = 0x%02x\n", cs4231_inb(chip, CS4231P(STATUS)));
@@ -285,7 +285,7 @@
  *  CS4231 detection / MCE routines
  */
 
-static void snd_cs4231_busy_wait(cs4231_t *chip)
+static void snd_cs4231_busy_wait(struct snd_cs4231 *chip)
 {
 	int timeout;
 
@@ -299,7 +299,7 @@
 	     	udelay(10);
 }
 
-void snd_cs4231_mce_up(cs4231_t *chip)
+void snd_cs4231_mce_up(struct snd_cs4231 *chip)
 {
 	unsigned long flags;
 	int timeout;
@@ -320,7 +320,7 @@
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 }
 
-void snd_cs4231_mce_down(cs4231_t *chip)
+void snd_cs4231_mce_down(struct snd_cs4231 *chip)
 {
 	unsigned long flags;
 	int timeout;
@@ -399,14 +399,14 @@
 	return size;
 }
 
-static int snd_cs4231_trigger(snd_pcm_substream_t *substream,
+static int snd_cs4231_trigger(struct snd_pcm_substream *substream,
 			      int cmd)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	int result = 0;
 	unsigned int what;
 	struct list_head *pos;
-	snd_pcm_substream_t *s;
+	struct snd_pcm_substream *s;
 	int do_start;
 
 #if 0
@@ -468,7 +468,7 @@
 	return freq_bits[13];
 }
 
-static unsigned char snd_cs4231_get_format(cs4231_t *chip,
+static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip,
 				           int format,
                                            int channels)
 {
@@ -490,7 +490,7 @@
 	return rformat;
 }
 
-static void snd_cs4231_calibrate_mute(cs4231_t *chip, int mute)
+static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute)
 {
 	unsigned long flags;
 
@@ -524,8 +524,8 @@
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 }
 
-static void snd_cs4231_playback_format(cs4231_t *chip,
-				       snd_pcm_hw_params_t *params,
+static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
+				       struct snd_pcm_hw_params *params,
 				       unsigned char pdfr)
 {
 	unsigned long flags;
@@ -563,8 +563,8 @@
 	up(&chip->mce_mutex);
 }
 
-static void snd_cs4231_capture_format(cs4231_t *chip,
-				      snd_pcm_hw_params_t *params,
+static void snd_cs4231_capture_format(struct snd_cs4231 *chip,
+				      struct snd_pcm_hw_params *params,
                                       unsigned char cdfr)
 {
 	unsigned long flags;
@@ -610,20 +610,20 @@
  *  Timer interface
  */
 
-static unsigned long snd_cs4231_timer_resolution(snd_timer_t * timer)
+static unsigned long snd_cs4231_timer_resolution(struct snd_timer * timer)
 {
-	cs4231_t *chip = snd_timer_chip(timer);
+	struct snd_cs4231 *chip = snd_timer_chip(timer);
 	if (chip->hardware & CS4231_HW_CS4236B_MASK)
 		return 14467;
 	else
 		return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920;
 }
 
-static int snd_cs4231_timer_start(snd_timer_t * timer)
+static int snd_cs4231_timer_start(struct snd_timer * timer)
 {
 	unsigned long flags;
 	unsigned int ticks;
-	cs4231_t *chip = snd_timer_chip(timer);
+	struct snd_cs4231 *chip = snd_timer_chip(timer);
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	ticks = timer->sticks;
 	if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 ||
@@ -637,17 +637,17 @@
 	return 0;
 }
 
-static int snd_cs4231_timer_stop(snd_timer_t * timer)
+static int snd_cs4231_timer_stop(struct snd_timer * timer)
 {
 	unsigned long flags;
-	cs4231_t *chip = snd_timer_chip(timer);
+	struct snd_cs4231 *chip = snd_timer_chip(timer);
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	return 0;
 }
 
-static void snd_cs4231_init(cs4231_t *chip)
+static void snd_cs4231_init(struct snd_cs4231 *chip)
 {
 	unsigned long flags;
 
@@ -705,7 +705,7 @@
 #endif
 }
 
-static int snd_cs4231_open(cs4231_t *chip, unsigned int mode)
+static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode)
 {
 	unsigned long flags;
 
@@ -741,7 +741,7 @@
 	return 0;
 }
 
-static void snd_cs4231_close(cs4231_t *chip, unsigned int mode)
+static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode)
 {
 	unsigned long flags;
 
@@ -792,21 +792,21 @@
  *  timer open/close
  */
 
-static int snd_cs4231_timer_open(snd_timer_t * timer)
+static int snd_cs4231_timer_open(struct snd_timer * timer)
 {
-	cs4231_t *chip = snd_timer_chip(timer);
+	struct snd_cs4231 *chip = snd_timer_chip(timer);
 	snd_cs4231_open(chip, CS4231_MODE_TIMER);
 	return 0;
 }
 
-static int snd_cs4231_timer_close(snd_timer_t * timer)
+static int snd_cs4231_timer_close(struct snd_timer * timer)
 {
-	cs4231_t *chip = snd_timer_chip(timer);
+	struct snd_cs4231 *chip = snd_timer_chip(timer);
 	snd_cs4231_close(chip, CS4231_MODE_TIMER);
 	return 0;
 }
 
-static struct _snd_timer_hardware snd_cs4231_timer_table =
+static struct snd_timer_hardware snd_cs4231_timer_table =
 {
 	.flags =	SNDRV_TIMER_HW_AUTO,
 	.resolution =	9945,
@@ -822,10 +822,10 @@
  *  ok.. exported functions..
  */
 
-static int snd_cs4231_playback_hw_params(snd_pcm_substream_t * substream,
-					 snd_pcm_hw_params_t * hw_params)
+static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,
+					 struct snd_pcm_hw_params *hw_params)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	unsigned char new_pdfr;
 	int err;
 
@@ -837,15 +837,15 @@
 	return 0;
 }
 
-static int snd_cs4231_playback_hw_free(snd_pcm_substream_t * substream)
+static int snd_cs4231_playback_hw_free(struct snd_pcm_substream *substream)
 {
 	return snd_pcm_lib_free_pages(substream);
 }
 
-static int snd_cs4231_playback_prepare(snd_pcm_substream_t * substream)
+static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	unsigned long flags;
 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 	unsigned int count = snd_pcm_lib_period_bytes(substream);
@@ -864,10 +864,10 @@
 	return 0;
 }
 
-static int snd_cs4231_capture_hw_params(snd_pcm_substream_t * substream,
-					snd_pcm_hw_params_t * hw_params)
+static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
+					struct snd_pcm_hw_params *hw_params)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	unsigned char new_cdfr;
 	int err;
 
@@ -879,15 +879,15 @@
 	return 0;
 }
 
-static int snd_cs4231_capture_hw_free(snd_pcm_substream_t * substream)
+static int snd_cs4231_capture_hw_free(struct snd_pcm_substream *substream)
 {
 	return snd_pcm_lib_free_pages(substream);
 }
 
-static int snd_cs4231_capture_prepare(snd_pcm_substream_t * substream)
+static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	unsigned long flags;
 	unsigned int size = snd_pcm_lib_buffer_bytes(substream);
 	unsigned int count = snd_pcm_lib_period_bytes(substream);
@@ -908,7 +908,7 @@
 	return 0;
 }
 
-static void snd_cs4231_overrange(cs4231_t *chip)
+static void snd_cs4231_overrange(struct snd_cs4231 *chip)
 {
 	unsigned long flags;
 	unsigned char res;
@@ -922,7 +922,7 @@
 
 irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-	cs4231_t *chip = dev_id;
+	struct snd_cs4231 *chip = dev_id;
 	unsigned char status;
 
 	status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
@@ -962,9 +962,9 @@
 	return IRQ_HANDLED;
 }
 
-static snd_pcm_uframes_t snd_cs4231_playback_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_cs4231_playback_pointer(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	size_t ptr;
 
 	if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE))
@@ -973,9 +973,9 @@
 	return bytes_to_frames(substream->runtime, ptr);
 }
 
-static snd_pcm_uframes_t snd_cs4231_capture_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	size_t ptr;
 	
 	if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE))
@@ -988,7 +988,7 @@
 
  */
 
-static int snd_cs4231_probe(cs4231_t *chip)
+static int snd_cs4231_probe(struct snd_cs4231 *chip)
 {
 	unsigned long flags;
 	int i, id, rev;
@@ -1152,7 +1152,7 @@
 
  */
 
-static snd_pcm_hardware_t snd_cs4231_playback =
+static struct snd_pcm_hardware snd_cs4231_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID |
@@ -1173,7 +1173,7 @@
 	.fifo_size =		0,
 };
 
-static snd_pcm_hardware_t snd_cs4231_capture =
+static struct snd_pcm_hardware snd_cs4231_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID |
@@ -1198,10 +1198,10 @@
 
  */
 
-static int snd_cs4231_playback_open(snd_pcm_substream_t * substream)
+static int snd_cs4231_playback_open(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	int err;
 
 	runtime->hw = snd_cs4231_playback;
@@ -1235,10 +1235,10 @@
 	return 0;
 }
 
-static int snd_cs4231_capture_open(snd_pcm_substream_t * substream)
+static int snd_cs4231_capture_open(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	int err;
 
 	runtime->hw = snd_cs4231_capture;
@@ -1268,18 +1268,18 @@
 	return 0;
 }
 
-static int snd_cs4231_playback_close(snd_pcm_substream_t * substream)
+static int snd_cs4231_playback_close(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 
 	chip->playback_substream = NULL;
 	snd_cs4231_close(chip, CS4231_MODE_PLAY);
 	return 0;
 }
 
-static int snd_cs4231_capture_close(snd_pcm_substream_t * substream)
+static int snd_cs4231_capture_close(struct snd_pcm_substream *substream)
 {
-	cs4231_t *chip = snd_pcm_substream_chip(substream);
+	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 
 	chip->capture_substream = NULL;
 	snd_cs4231_close(chip, CS4231_MODE_RECORD);
@@ -1289,7 +1289,7 @@
 #ifdef CONFIG_PM
 
 /* lowlevel suspend callback for CS4231 */
-static void snd_cs4231_suspend(cs4231_t *chip)
+static void snd_cs4231_suspend(struct snd_cs4231 *chip)
 {
 	int reg;
 	unsigned long flags;
@@ -1303,7 +1303,7 @@
 }
 
 /* lowlevel resume callback for CS4231 */
-static void snd_cs4231_resume(cs4231_t *chip)
+static void snd_cs4231_resume(struct snd_cs4231 *chip)
 {
 	int reg;
 	unsigned long flags;
@@ -1344,24 +1344,24 @@
 #endif
 }
 
-static int snd_cs4231_pm_suspend(snd_card_t *card, pm_message_t state)
+static int snd_cs4231_pm_suspend(struct snd_card *card, pm_message_t state)
 {
-	cs4231_t *chip = card->pm_private_data;
+	struct snd_cs4231 *chip = card->pm_private_data;
 	if (chip->suspend)
 		chip->suspend(chip);
 	return 0;
 }
 
-static int snd_cs4231_pm_resume(snd_card_t *card)
+static int snd_cs4231_pm_resume(struct snd_card *card)
 {
-	cs4231_t *chip = card->pm_private_data;
+	struct snd_cs4231 *chip = card->pm_private_data;
 	if (chip->resume)
 		chip->resume(chip);
 	return 0;
 }
 #endif /* CONFIG_PM */
 
-static int snd_cs4231_free(cs4231_t *chip)
+static int snd_cs4231_free(struct snd_cs4231 *chip)
 {
 	release_and_free_resource(chip->res_port);
 	release_and_free_resource(chip->res_cport);
@@ -1384,13 +1384,13 @@
 	return 0;
 }
 
-static int snd_cs4231_dev_free(snd_device_t *device)
+static int snd_cs4231_dev_free(struct snd_device *device)
 {
-	cs4231_t *chip = device->device_data;
+	struct snd_cs4231 *chip = device->device_data;
 	return snd_cs4231_free(chip);	
 }
 
-const char *snd_cs4231_chip_id(cs4231_t *chip)
+const char *snd_cs4231_chip_id(struct snd_cs4231 *chip)
 {
 	switch (chip->hardware) {
 	case CS4231_HW_CS4231:	return "CS4231";
@@ -1410,12 +1410,12 @@
 	}
 }
 
-static int snd_cs4231_new(snd_card_t * card,
+static int snd_cs4231_new(struct snd_card *card,
 			  unsigned short hardware,
 			  unsigned short hwshare,
-			  cs4231_t ** rchip)
+			  struct snd_cs4231 ** rchip)
 {
-	cs4231_t *chip;
+	struct snd_cs4231 *chip;
 
 	*rchip = NULL;
 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -1437,18 +1437,18 @@
         return 0;
 }
 
-int snd_cs4231_create(snd_card_t * card,
+int snd_cs4231_create(struct snd_card *card,
 	              unsigned long port,
 	              unsigned long cport,
 		      int irq, int dma1, int dma2,
 		      unsigned short hardware,
 		      unsigned short hwshare,
-		      cs4231_t ** rchip)
+		      struct snd_cs4231 ** rchip)
 {
-	static snd_device_ops_t ops = {
+	static struct snd_device_ops ops = {
 		.dev_free =	snd_cs4231_dev_free,
 	};
-	cs4231_t *chip;
+	struct snd_cs4231 *chip;
 	int err;
 
 	err = snd_cs4231_new(card, hardware, hwshare, &chip);
@@ -1523,7 +1523,7 @@
 	return 0;
 }
 
-static snd_pcm_ops_t snd_cs4231_playback_ops = {
+static struct snd_pcm_ops snd_cs4231_playback_ops = {
 	.open =		snd_cs4231_playback_open,
 	.close =	snd_cs4231_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1534,7 +1534,7 @@
 	.pointer =	snd_cs4231_playback_pointer,
 };
 
-static snd_pcm_ops_t snd_cs4231_capture_ops = {
+static struct snd_pcm_ops snd_cs4231_capture_ops = {
 	.open =		snd_cs4231_capture_open,
 	.close =	snd_cs4231_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1545,9 +1545,9 @@
 	.pointer =	snd_cs4231_capture_pointer,
 };
 
-int snd_cs4231_pcm(cs4231_t *chip, int device, snd_pcm_t **rpcm)
+int snd_cs4231_pcm(struct snd_cs4231 *chip, int device, struct snd_pcm **rpcm)
 {
-	snd_pcm_t *pcm;
+	struct snd_pcm *pcm;
 	int err;
 
 	if ((err = snd_pcm_new(chip->card, "CS4231", device, 1, 1, &pcm)) < 0)
@@ -1579,16 +1579,16 @@
 	return 0;
 }
 
-static void snd_cs4231_timer_free(snd_timer_t *timer)
+static void snd_cs4231_timer_free(struct snd_timer *timer)
 {
-	cs4231_t *chip = timer->private_data;
+	struct snd_cs4231 *chip = timer->private_data;
 	chip->timer = NULL;
 }
 
-int snd_cs4231_timer(cs4231_t *chip, int device, snd_timer_t **rtimer)
+int snd_cs4231_timer(struct snd_cs4231 *chip, int device, struct snd_timer **rtimer)
 {
-	snd_timer_t *timer;
-	snd_timer_id_t tid;
+	struct snd_timer *timer;
+	struct snd_timer_id tid;
 	int err;
 
 	/* Timer initialization */
@@ -1613,7 +1613,7 @@
  *  MIXER part
  */
 
-static int snd_cs4231_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
 	static char *texts[4] = {
 		"Line", "Aux", "Mic", "Mix"
@@ -1625,7 +1625,7 @@
 		"Line", "Synth", "Mic", "Mix"
 	};
 	char **ptexts = texts;
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 
 	snd_assert(chip->card != NULL, return -EINVAL);
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
@@ -1643,9 +1643,9 @@
 	return 0;
 }
 
-static int snd_cs4231_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 	unsigned long flags;
 	
 	spin_lock_irqsave(&chip->reg_lock, flags);
@@ -1655,9 +1655,9 @@
 	return 0;
 }
 
-static int snd_cs4231_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 	unsigned long flags;
 	unsigned short left, right;
 	int change;
@@ -1678,7 +1678,7 @@
 	return change;
 }
 
-int snd_cs4231_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
 	int mask = (kcontrol->private_value >> 16) & 0xff;
 
@@ -1689,9 +1689,9 @@
 	return 0;
 }
 
-int snd_cs4231_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 	unsigned long flags;
 	int reg = kcontrol->private_value & 0xff;
 	int shift = (kcontrol->private_value >> 8) & 0xff;
@@ -1706,9 +1706,9 @@
 	return 0;
 }
 
-int snd_cs4231_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 	unsigned long flags;
 	int reg = kcontrol->private_value & 0xff;
 	int shift = (kcontrol->private_value >> 8) & 0xff;
@@ -1729,7 +1729,7 @@
 	return change;
 }
 
-int snd_cs4231_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
 	int mask = (kcontrol->private_value >> 24) & 0xff;
 
@@ -1740,9 +1740,9 @@
 	return 0;
 }
 
-int snd_cs4231_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 	unsigned long flags;
 	int left_reg = kcontrol->private_value & 0xff;
 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
@@ -1762,9 +1762,9 @@
 	return 0;
 }
 
-int snd_cs4231_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-	cs4231_t *chip = snd_kcontrol_chip(kcontrol);
+	struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
 	unsigned long flags;
 	int left_reg = kcontrol->private_value & 0xff;
 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
@@ -1793,7 +1793,7 @@
 	return change;
 }
 
-static snd_kcontrol_new_t snd_cs4231_controls[] = {
+static struct snd_kcontrol_new snd_cs4231_controls[] = {
 CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
 CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
 CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
@@ -1819,9 +1819,9 @@
 CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1)
 };
                                         
-int snd_cs4231_mixer(cs4231_t *chip)
+int snd_cs4231_mixer(struct snd_cs4231 *chip)
 {
-	snd_card_t *card;
+	struct snd_card *card;
 	unsigned int idx;
 	int err;