[ALSA] Remove xxx_t typedefs: PCI Trident

Modules: Trident driver

Remove xxx_t typedefs from the PCI Trident driver.

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

4 files changed, 515 insertions, 448 deletions

diff --git a/sound/pci/trident/trident.c b/sound/pci/trident/trident.c
index 940d531575c..0999f1f83a9 100644
--- a/sound/pci/trident/trident.c
+++ b/sound/pci/trident/trident.c
@@ -76,8 +76,8 @@ static int __devinit snd_trident_probe(struct pci_dev *pci,
 				       const struct pci_device_id *pci_id)
 {
 	static int dev;
-	snd_card_t *card;
-	trident_t *trident;
+	struct snd_card *card;
+	struct snd_trident *trident;
 	const char *str;
 	int err, pcm_dev = 0;
 
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 62f109f020a..6277dccebf6 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -44,17 +44,23 @@
 
 #include <asm/io.h>
 
-static int snd_trident_pcm_mixer_build(trident_t *trident, snd_trident_voice_t * voice, snd_pcm_substream_t *substream);
-static int snd_trident_pcm_mixer_free(trident_t *trident, snd_trident_voice_t * voice, snd_pcm_substream_t *substream);
-static irqreturn_t snd_trident_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static int snd_trident_pcm_mixer_build(struct snd_trident *trident,
+				       struct snd_trident_voice * voice,
+				       struct snd_pcm_substream *substream);
+static int snd_trident_pcm_mixer_free(struct snd_trident *trident,
+				      struct snd_trident_voice * voice,
+				      struct snd_pcm_substream *substream);
+static irqreturn_t snd_trident_interrupt(int irq, void *dev_id,
+					 struct pt_regs *regs);
 #ifdef CONFIG_PM
-static int snd_trident_suspend(snd_card_t *card, pm_message_t state);
-static int snd_trident_resume(snd_card_t *card);
+static int snd_trident_suspend(struct snd_card *card, pm_message_t state);
+static int snd_trident_resume(struct snd_card *card);
 #endif
-static int snd_trident_sis_reset(trident_t *trident);
+static int snd_trident_sis_reset(struct snd_trident *trident);
 
-static void snd_trident_clear_voices(trident_t * trident, unsigned short v_min, unsigned short v_max);
-static int snd_trident_free(trident_t *trident);
+static void snd_trident_clear_voices(struct snd_trident * trident,
+				     unsigned short v_min, unsigned short v_max);
+static int snd_trident_free(struct snd_trident *trident);
 
 /*
  *  common I/O routines
@@ -62,7 +68,7 @@ static int snd_trident_free(trident_t *trident);
 
 
 #if 0
-static void snd_trident_print_voice_regs(trident_t *trident, int voice)
+static void snd_trident_print_voice_regs(struct snd_trident *trident, int voice)
 {
 	unsigned int val, tmp;
 
@@ -104,7 +110,7 @@ static void snd_trident_print_voice_regs(trident_t *trident, int voice)
 #endif
 
 /*---------------------------------------------------------------------------
-   unsigned short snd_trident_codec_read(ac97_t *ac97, unsigned short reg)
+   unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg)
   
    Description: This routine will do all of the reading from the external
                 CODEC (AC97).
@@ -115,12 +121,12 @@ static void snd_trident_print_voice_regs(trident_t *trident, int voice)
    returns:     16 bit value read from the AC97.
   
   ---------------------------------------------------------------------------*/
-static unsigned short snd_trident_codec_read(ac97_t *ac97, unsigned short reg)
+static unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 {
 	unsigned int data = 0, treg;
 	unsigned short count = 0xffff;
 	unsigned long flags;
-	trident_t *trident = ac97->private_data;
+	struct snd_trident *trident = ac97->private_data;
 
 	spin_lock_irqsave(&trident->reg_lock, flags);
 	if (trident->device == TRIDENT_DEVICE_ID_DX) {
@@ -153,7 +159,8 @@ static unsigned short snd_trident_codec_read(ac97_t *ac97, unsigned short reg)
 	}
 
 	if (count == 0 && !trident->ac97_detect) {
-		snd_printk(KERN_ERR "ac97 codec read TIMEOUT [0x%x/0x%x]!!!\n", reg, data);
+		snd_printk(KERN_ERR "ac97 codec read TIMEOUT [0x%x/0x%x]!!!\n",
+			   reg, data);
 		data = 0;
 	}
 
@@ -162,7 +169,8 @@ static unsigned short snd_trident_codec_read(ac97_t *ac97, unsigned short reg)
 }
 
 /*---------------------------------------------------------------------------
-   void snd_trident_codec_write(ac97_t *ac97, unsigned short reg, unsigned short wdata)
+   void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg,
+   unsigned short wdata)
   
    Description: This routine will do all of the writing to the external
                 CODEC (AC97).
@@ -174,12 +182,13 @@ static unsigned short snd_trident_codec_read(ac97_t *ac97, unsigned short reg)
    returns:     TRUE if everything went ok, else FALSE.
   
   ---------------------------------------------------------------------------*/
-static void snd_trident_codec_write(ac97_t *ac97, unsigned short reg, unsigned short wdata)
+static void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg,
+				    unsigned short wdata)
 {
 	unsigned int address, data;
 	unsigned short count = 0xffff;
 	unsigned long flags;
-	trident_t *trident = ac97->private_data;
+	struct snd_trident *trident = ac97->private_data;
 
 	data = ((unsigned long) wdata) << 16;
 
@@ -230,7 +239,7 @@ static void snd_trident_codec_write(ac97_t *ac97, unsigned short reg, unsigned s
 }
 
 /*---------------------------------------------------------------------------
-   void snd_trident_enable_eso(trident_t *trident)
+   void snd_trident_enable_eso(struct snd_trident *trident)
   
    Description: This routine will enable end of loop interrupts.
                 End of loop interrupts will occur when a running
@@ -241,7 +250,7 @@ static void snd_trident_codec_write(ac97_t *ac97, unsigned short reg, unsigned s
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_enable_eso(trident_t * trident)
+static void snd_trident_enable_eso(struct snd_trident * trident)
 {
 	unsigned int val;
 
@@ -254,7 +263,7 @@ static void snd_trident_enable_eso(trident_t * trident)
 }
 
 /*---------------------------------------------------------------------------
-   void snd_trident_disable_eso(trident_t *trident)
+   void snd_trident_disable_eso(struct snd_trident *trident)
   
    Description: This routine will disable end of loop interrupts.
                 End of loop interrupts will occur when a running
@@ -268,7 +277,7 @@ static void snd_trident_enable_eso(trident_t * trident)
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_disable_eso(trident_t * trident)
+static void snd_trident_disable_eso(struct snd_trident * trident)
 {
 	unsigned int tmp;
 
@@ -279,7 +288,7 @@ static void snd_trident_disable_eso(trident_t * trident)
 }
 
 /*---------------------------------------------------------------------------
-   void snd_trident_start_voice(trident_t * trident, unsigned int voice)
+   void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice)
 
     Description: Start a voice, any channel 0 thru 63.
                  This routine automatically handles the fact that there are
@@ -292,7 +301,7 @@ static void snd_trident_disable_eso(trident_t * trident)
 
   ---------------------------------------------------------------------------*/
 
-void snd_trident_start_voice(trident_t * trident, unsigned int voice)
+void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice)
 {
 	unsigned int mask = 1 << (voice & 0x1f);
 	unsigned int reg = (voice & 0x20) ? T4D_START_B : T4D_START_A;
@@ -301,7 +310,7 @@ void snd_trident_start_voice(trident_t * trident, unsigned int voice)
 }
 
 /*---------------------------------------------------------------------------
-   void snd_trident_stop_voice(trident_t * trident, unsigned int voice)
+   void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice)
 
     Description: Stop a voice, any channel 0 thru 63.
                  This routine automatically handles the fact that there are
@@ -314,7 +323,7 @@ void snd_trident_start_voice(trident_t * trident, unsigned int voice)
 
   ---------------------------------------------------------------------------*/
 
-void snd_trident_stop_voice(trident_t * trident, unsigned int voice)
+void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice)
 {
 	unsigned int mask = 1 << (voice & 0x1f);
 	unsigned int reg = (voice & 0x20) ? T4D_STOP_B : T4D_STOP_A;
@@ -323,7 +332,7 @@ void snd_trident_stop_voice(trident_t * trident, unsigned int voice)
 }
 
 /*---------------------------------------------------------------------------
-    int snd_trident_allocate_pcm_channel(trident_t *trident)
+    int snd_trident_allocate_pcm_channel(struct snd_trident *trident)
   
     Description: Allocate hardware channel in Bank B (32-63).
   
@@ -333,7 +342,7 @@ void snd_trident_stop_voice(trident_t * trident, unsigned int voice)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_allocate_pcm_channel(trident_t * trident)
+static int snd_trident_allocate_pcm_channel(struct snd_trident * trident)
 {
 	int idx;
 
@@ -361,7 +370,7 @@ static int snd_trident_allocate_pcm_channel(trident_t * trident)
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_free_pcm_channel(trident_t *trident, int channel)
+static void snd_trident_free_pcm_channel(struct snd_trident *trident, int channel)
 {
 	if (channel < 32 || channel > 63)
 		return;
@@ -383,7 +392,7 @@ static void snd_trident_free_pcm_channel(trident_t *trident, int channel)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_allocate_synth_channel(trident_t * trident)
+static int snd_trident_allocate_synth_channel(struct snd_trident * trident)
 {
 	int idx;
 
@@ -409,7 +418,7 @@ static int snd_trident_allocate_synth_channel(trident_t * trident)
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_free_synth_channel(trident_t *trident, int channel)
+static void snd_trident_free_synth_channel(struct snd_trident *trident, int channel)
 {
 	if (channel < 0 || channel > 31)
 		return;
@@ -432,8 +441,8 @@ static void snd_trident_free_synth_channel(trident_t *trident, int channel)
   
   ---------------------------------------------------------------------------*/
 
-void snd_trident_write_voice_regs(trident_t * trident,
-				  snd_trident_voice_t * voice)
+void snd_trident_write_voice_regs(struct snd_trident * trident,
+				  struct snd_trident_voice * voice)
 {
 	unsigned int FmcRvolCvol;
 	unsigned int regs[5];
@@ -452,14 +461,16 @@ void snd_trident_write_voice_regs(trident_t * trident,
 				(voice->Vol & 0x000003ff) :
 				((voice->Vol & 0x00003fc) << (16-2)) |
 				(voice->EC & 0x00000fff);
-		regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) | (voice->FMS & 0x0000000f);
+		regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) |
+			(voice->FMS & 0x0000000f);
 		regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff);
 		regs[3] = (voice->Attribute << 16) | FmcRvolCvol;
 		break;
 	case TRIDENT_DEVICE_ID_DX:
 		regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) |
 			   (voice->EC & 0x00000fff);
-		regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) | (voice->FMS & 0x0000000f);
+		regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) |
+			(voice->FMS & 0x0000000f);
 		regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff);
 		regs[3] = FmcRvolCvol;
 		break;
@@ -467,8 +478,10 @@ void snd_trident_write_voice_regs(trident_t * trident,
 		regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) |
 			   (voice->EC & 0x00000fff);
 		regs[0] = (voice->Delta << 24) | (voice->CSO & 0x00ffffff);
-		regs[2] = ((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff);
-		regs[3] = (voice->Alpha << 20) | ((voice->FMS & 0x0000000f) << 16) | FmcRvolCvol;
+		regs[2] = ((voice->Delta << 16) & 0xff000000) |
+			(voice->ESO & 0x00ffffff);
+		regs[3] = (voice->Alpha << 20) |
+			((voice->FMS & 0x0000000f) << 16) | FmcRvolCvol;
 		break;
 	default:
 		snd_BUG();
@@ -504,14 +517,17 @@ void snd_trident_write_voice_regs(trident_t * trident,
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_write_cso_reg(trident_t * trident, snd_trident_voice_t * voice, unsigned int CSO)
+static void snd_trident_write_cso_reg(struct snd_trident * trident,
+				      struct snd_trident_voice * voice,
+				      unsigned int CSO)
 {
 	voice->CSO = CSO;
 	outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 	if (trident->device != TRIDENT_DEVICE_ID_NX) {
 		outw(voice->CSO, TRID_REG(trident, CH_DX_CSO_ALPHA_FMS) + 2);
 	} else {
-		outl((voice->Delta << 24) | (voice->CSO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_CSO));
+		outl((voice->Delta << 24) |
+		     (voice->CSO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_CSO));
 	}
 }
 
@@ -527,14 +543,17 @@ static void snd_trident_write_cso_reg(trident_t * trident, snd_trident_voice_t *
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_write_eso_reg(trident_t * trident, snd_trident_voice_t * voice, unsigned int ESO)
+static void snd_trident_write_eso_reg(struct snd_trident * trident,
+				      struct snd_trident_voice * voice,
+				      unsigned int ESO)
 {
 	voice->ESO = ESO;
 	outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 	if (trident->device != TRIDENT_DEVICE_ID_NX) {
 		outw(voice->ESO, TRID_REG(trident, CH_DX_ESO_DELTA) + 2);
 	} else {
-		outl(((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_ESO));
+		outl(((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff),
+		     TRID_REG(trident, CH_NX_DELTA_ESO));
 	}
 }
 
@@ -550,7 +569,9 @@ static void snd_trident_write_eso_reg(trident_t * trident, snd_trident_voice_t *
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_write_vol_reg(trident_t * trident, snd_trident_voice_t * voice, unsigned int Vol)
+static void snd_trident_write_vol_reg(struct snd_trident * trident,
+				      struct snd_trident_voice * voice,
+				      unsigned int Vol)
 {
 	voice->Vol = Vol;
 	outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
@@ -561,7 +582,8 @@ static void snd_trident_write_vol_reg(trident_t * trident, snd_trident_voice_t *
 		break;
 	case TRIDENT_DEVICE_ID_SI7018:
 		// printk("voice->Vol = 0x%x\n", voice->Vol);
-		outw((voice->CTRL << 12) | voice->Vol, TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC));
+		outw((voice->CTRL << 12) | voice->Vol,
+		     TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC));
 		break;
 	}
 }
@@ -578,11 +600,14 @@ static void snd_trident_write_vol_reg(trident_t * trident, snd_trident_voice_t *
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_write_pan_reg(trident_t * trident, snd_trident_voice_t * voice, unsigned int Pan)
+static void snd_trident_write_pan_reg(struct snd_trident * trident,
+				      struct snd_trident_voice * voice,
+				      unsigned int Pan)
 {
 	voice->Pan = Pan;
 	outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
-	outb(((voice->GVSel & 0x01) << 7) | (voice->Pan & 0x7f), TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 3));
+	outb(((voice->GVSel & 0x01) << 7) | (voice->Pan & 0x7f),
+	     TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 3));
 }
 
 /*---------------------------------------------------------------------------
@@ -597,12 +622,16 @@ static void snd_trident_write_pan_reg(trident_t * trident, snd_trident_voice_t *
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_write_rvol_reg(trident_t * trident, snd_trident_voice_t * voice, unsigned int RVol)
+static void snd_trident_write_rvol_reg(struct snd_trident * trident,
+				       struct snd_trident_voice * voice,
+				       unsigned int RVol)
 {
 	voice->RVol = RVol;
 	outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
-	outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) | (voice->CVol & 0x007f),
-	     TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ? CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
+	outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) |
+	     (voice->CVol & 0x007f),
+	     TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ?
+		      CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
 }
 
 /*---------------------------------------------------------------------------
@@ -617,12 +646,16 @@ static void snd_trident_write_rvol_reg(trident_t * trident, snd_trident_voice_t
   
   ---------------------------------------------------------------------------*/
 
-static void snd_trident_write_cvol_reg(trident_t * trident, snd_trident_voice_t * voice, unsigned int CVol)
+static void snd_trident_write_cvol_reg(struct snd_trident * trident,
+				       struct snd_trident_voice * voice,
+				       unsigned int CVol)
 {
 	voice->CVol = CVol;
 	outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
-	outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) | (voice->CVol & 0x007f),
-	     TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ? CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
+	outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) |
+	     (voice->CVol & 0x007f),
+	     TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ?
+		      CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
 }
 
 /*---------------------------------------------------------------------------
@@ -696,7 +729,8 @@ static unsigned int snd_trident_convert_adc_rate(unsigned int rate)
    Returns:     Delta value.
   
   ---------------------------------------------------------------------------*/
-static unsigned int snd_trident_spurious_threshold(unsigned int rate, unsigned int period_size)
+static unsigned int snd_trident_spurious_threshold(unsigned int rate,
+						   unsigned int period_size)
 {
 	unsigned int res = (rate * period_size) / 48000;
 	if (res < 64)
@@ -717,10 +751,10 @@ static unsigned int snd_trident_spurious_threshold(unsigned int rate, unsigned i
    Returns:     Control value.
   
   ---------------------------------------------------------------------------*/
-static unsigned int snd_trident_control_mode(snd_pcm_substream_t *substream)
+static unsigned int snd_trident_control_mode(struct snd_pcm_substream *substream)
 {
 	unsigned int CTRL;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	/* set ctrl mode
 	   CTRL default: 8-bit (unsigned) mono, loop mode enabled
@@ -752,7 +786,7 @@ static unsigned int snd_trident_control_mode(snd_pcm_substream_t *substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_ioctl(snd_pcm_substream_t * substream,
+static int snd_trident_ioctl(struct snd_pcm_substream *substream,
 			     unsigned int cmd,
 			     void *arg)
 {
@@ -774,12 +808,12 @@ static int snd_trident_ioctl(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_allocate_pcm_mem(snd_pcm_substream_t * substream,
-					snd_pcm_hw_params_t * hw_params)
+static int snd_trident_allocate_pcm_mem(struct snd_pcm_substream *substream,
+					struct snd_pcm_hw_params *hw_params)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
 	int err;
 
 	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
@@ -808,13 +842,13 @@ static int snd_trident_allocate_pcm_mem(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_allocate_evoice(snd_pcm_substream_t * substream,
-				       snd_pcm_hw_params_t * hw_params)
+static int snd_trident_allocate_evoice(struct snd_pcm_substream *substream,
+				       struct snd_pcm_hw_params *hw_params)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice->extra;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice->extra;
 
 	/* voice management */
 
@@ -848,8 +882,8 @@ static int snd_trident_allocate_evoice(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_hw_params(snd_pcm_substream_t * substream,
-				 snd_pcm_hw_params_t * hw_params)
+static int snd_trident_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *hw_params)
 {
 	int err;
 
@@ -870,12 +904,12 @@ static int snd_trident_hw_params(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_hw_free(snd_pcm_substream_t * substream)
+static int snd_trident_hw_free(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice ? voice->extra : NULL;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
 
 	if (trident->tlb.entries) {
 		if (voice && voice->memblk) {
@@ -902,13 +936,13 @@ static int snd_trident_hw_free(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_playback_prepare(snd_pcm_substream_t * substream)
+static int snd_trident_playback_prepare(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice->extra;
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[substream->number];
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice->extra;
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number];
 
 	spin_lock_irq(&trident->reg_lock);	
 
@@ -988,8 +1022,8 @@ static int snd_trident_playback_prepare(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_capture_hw_params(snd_pcm_substream_t * substream,
-					 snd_pcm_hw_params_t * hw_params)
+static int snd_trident_capture_hw_params(struct snd_pcm_substream *substream,
+					 struct snd_pcm_hw_params *hw_params)
 {
 	return snd_trident_allocate_pcm_mem(substream, hw_params);
 }
@@ -1005,11 +1039,11 @@ static int snd_trident_capture_hw_params(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_capture_prepare(snd_pcm_substream_t * substream)
+static int snd_trident_capture_prepare(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
 	unsigned int val, ESO_bytes;
 
 	spin_lock_irq(&trident->reg_lock);
@@ -1097,8 +1131,8 @@ static int snd_trident_capture_prepare(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_si7018_capture_hw_params(snd_pcm_substream_t * substream,
-						snd_pcm_hw_params_t * hw_params)
+static int snd_trident_si7018_capture_hw_params(struct snd_pcm_substream *substream,
+						struct snd_pcm_hw_params *hw_params)
 {
 	int err;
 
@@ -1119,12 +1153,12 @@ static int snd_trident_si7018_capture_hw_params(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_si7018_capture_hw_free(snd_pcm_substream_t * substream)
+static int snd_trident_si7018_capture_hw_free(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice ? voice->extra : NULL;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
 
 	snd_pcm_lib_free_pages(substream);
 	if (evoice != NULL) {
@@ -1145,12 +1179,12 @@ static int snd_trident_si7018_capture_hw_free(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_si7018_capture_prepare(snd_pcm_substream_t * substream)
+static int snd_trident_si7018_capture_prepare(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice->extra;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice->extra;
 
 	spin_lock_irq(&trident->reg_lock);
 
@@ -1216,12 +1250,12 @@ static int snd_trident_si7018_capture_prepare(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_foldback_prepare(snd_pcm_substream_t * substream)
+static int snd_trident_foldback_prepare(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice->extra;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice->extra;
 
 	spin_lock_irq(&trident->reg_lock);
 
@@ -1294,10 +1328,10 @@ static int snd_trident_foldback_prepare(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_hw_params(snd_pcm_substream_t * substream,
-				       snd_pcm_hw_params_t * hw_params)
+static int snd_trident_spdif_hw_params(struct snd_pcm_substream *substream,
+				       struct snd_pcm_hw_params *hw_params)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
 	unsigned int old_bits = 0, change = 0;
 	int err;
 
@@ -1359,13 +1393,13 @@ static int snd_trident_spdif_hw_params(snd_pcm_substream_t * substream,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_prepare(snd_pcm_substream_t * substream)
+static int snd_trident_spdif_prepare(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	snd_trident_voice_t *evoice = voice->extra;
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[substream->number];
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident_voice *evoice = voice->extra;
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number];
 	unsigned int RESO, LBAO;
 	unsigned int temp;
 
@@ -1498,15 +1532,15 @@ static int snd_trident_spdif_prepare(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_trigger(snd_pcm_substream_t *substream,
+static int snd_trident_trigger(struct snd_pcm_substream *substream,
 			       int cmd)
 				    
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
 	struct list_head *pos;
-	snd_pcm_substream_t *s;
+	struct snd_pcm_substream *s;
 	unsigned int what, whati, capture_flag, spdif_flag;
-	snd_trident_voice_t *voice, *evoice;
+	struct snd_trident_voice *voice, *evoice;
 	unsigned int val, go;
 
 	switch (cmd) {
@@ -1528,8 +1562,8 @@ static int snd_trident_trigger(snd_pcm_substream_t *substream,
 	val = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff;
 	snd_pcm_group_for_each(pos, substream) {
 		s = snd_pcm_group_substream_entry(pos);
-		if ((trident_t *) snd_pcm_substream_chip(s) == trident) {
-			voice = (snd_trident_voice_t *) s->runtime->private_data;
+		if ((struct snd_trident *) snd_pcm_substream_chip(s) == trident) {
+			voice = s->runtime->private_data;
 			evoice = voice->extra;
 			what |= 1 << (voice->number & 0x1f);
 			if (evoice == NULL) {
@@ -1596,11 +1630,11 @@ static int snd_trident_trigger(snd_pcm_substream_t *substream,
   
   ---------------------------------------------------------------------------*/
 
-static snd_pcm_uframes_t snd_trident_playback_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_trident_playback_pointer(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
 	unsigned int cso;
 
 	if (!voice->running)
@@ -1635,11 +1669,11 @@ static snd_pcm_uframes_t snd_trident_playback_pointer(snd_pcm_substream_t * subs
   
   ---------------------------------------------------------------------------*/
 
-static snd_pcm_uframes_t snd_trident_capture_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_trident_capture_pointer(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
 	unsigned int result;
 
 	if (!voice->running)
@@ -1665,11 +1699,11 @@ static snd_pcm_uframes_t snd_trident_capture_pointer(snd_pcm_substream_t * subst
   
   ---------------------------------------------------------------------------*/
 
-static snd_pcm_uframes_t snd_trident_spdif_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_trident_spdif_pointer(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
 	unsigned int result;
 
 	if (!voice->running)
@@ -1684,7 +1718,7 @@ static snd_pcm_uframes_t snd_trident_spdif_pointer(snd_pcm_substream_t * substre
  *  Playback support device description
  */
 
-static snd_pcm_hardware_t snd_trident_playback =
+static struct snd_pcm_hardware snd_trident_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1709,7 +1743,7 @@ static snd_pcm_hardware_t snd_trident_playback =
  *  Capture support device description
  */
 
-static snd_pcm_hardware_t snd_trident_capture =
+static struct snd_pcm_hardware snd_trident_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1734,7 +1768,7 @@ static snd_pcm_hardware_t snd_trident_capture =
  *  Foldback capture support device description
  */
 
-static snd_pcm_hardware_t snd_trident_foldback =
+static struct snd_pcm_hardware snd_trident_foldback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1758,7 +1792,7 @@ static snd_pcm_hardware_t snd_trident_foldback =
  *  SPDIF playback support device description
  */
 
-static snd_pcm_hardware_t snd_trident_spdif =
+static struct snd_pcm_hardware snd_trident_spdif =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1779,7 +1813,7 @@ static snd_pcm_hardware_t snd_trident_spdif =
 	.fifo_size =		0,
 };
 
-static snd_pcm_hardware_t snd_trident_spdif_7018 =
+static struct snd_pcm_hardware snd_trident_spdif_7018 =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1799,10 +1833,10 @@ static snd_pcm_hardware_t snd_trident_spdif_7018 =
 	.fifo_size =		0,
 };
 
-static void snd_trident_pcm_free_substream(snd_pcm_runtime_t *runtime)
+static void snd_trident_pcm_free_substream(struct snd_pcm_runtime *runtime)
 {
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
-	trident_t *trident;
+	struct snd_trident_voice *voice = runtime->private_data;
+	struct snd_trident *trident;
 
 	if (voice) {
 		trident = voice->trident;
@@ -1810,11 +1844,11 @@ static void snd_trident_pcm_free_substream(snd_pcm_runtime_t *runtime)
 	}
 }
 
-static int snd_trident_playback_open(snd_pcm_substream_t * substream)
+static int snd_trident_playback_open(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice;
 
 	voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
 	if (voice == NULL)
@@ -1838,11 +1872,11 @@ static int snd_trident_playback_open(snd_pcm_substream_t * substream)
    Parameters:	substream  - PCM substream class
 
   ---------------------------------------------------------------------------*/
-static int snd_trident_playback_close(snd_pcm_substream_t * substream)
+static int snd_trident_playback_close(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_trident_voice *voice = runtime->private_data;
 
 	snd_trident_pcm_mixer_free(trident, voice, substream);
 	return 0;
@@ -1859,11 +1893,11 @@ static int snd_trident_playback_close(snd_pcm_substream_t * substream)
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_open(snd_pcm_substream_t * substream)
+static int snd_trident_spdif_open(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_trident_voice_t *voice;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident_voice *voice;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	
 	voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
 	if (voice == NULL)
@@ -1900,9 +1934,9 @@ static int snd_trident_spdif_open(snd_pcm_substream_t * substream)
 
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_close(snd_pcm_substream_t * substream)
+static int snd_trident_spdif_close(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
 	unsigned int temp;
 
 	spin_lock_irq(&trident->reg_lock);
@@ -1938,11 +1972,11 @@ static int snd_trident_spdif_close(snd_pcm_substream_t * substream)
 
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_capture_open(snd_pcm_substream_t * substream)
+static int snd_trident_capture_open(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_trident_voice_t *voice;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident_voice *voice;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
 	if (voice == NULL)
@@ -1966,7 +2000,7 @@ static int snd_trident_capture_open(snd_pcm_substream_t * substream)
    Parameters:	substream  - PCM substream class
 
   ---------------------------------------------------------------------------*/
-static int snd_trident_capture_close(snd_pcm_substream_t * substream)
+static int snd_trident_capture_close(struct snd_pcm_substream *substream)
 {
 	return 0;
 }
@@ -1982,11 +2016,11 @@ static int snd_trident_capture_close(snd_pcm_substream_t * substream)
 
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_foldback_open(snd_pcm_substream_t * substream)
+static int snd_trident_foldback_open(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_trident_voice_t *voice;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident_voice *voice;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
 	if (voice == NULL)
@@ -2009,12 +2043,12 @@ static int snd_trident_foldback_open(snd_pcm_substream_t * substream)
    Parameters:	substream  - PCM substream class
 
   ---------------------------------------------------------------------------*/
-static int snd_trident_foldback_close(snd_pcm_substream_t * substream)
+static int snd_trident_foldback_close(struct snd_pcm_substream *substream)
 {
-	trident_t *trident = snd_pcm_substream_chip(substream);
-	snd_trident_voice_t *voice;
-	snd_pcm_runtime_t *runtime = substream->runtime;
-	voice = (snd_trident_voice_t *) runtime->private_data;
+	struct snd_trident *trident = snd_pcm_substream_chip(substream);
+	struct snd_trident_voice *voice;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	voice = runtime->private_data;
 	
 	/* stop capture channel */
 	spin_lock_irq(&trident->reg_lock);
@@ -2027,7 +2061,7 @@ static int snd_trident_foldback_close(snd_pcm_substream_t * substream)
    PCM operations
   ---------------------------------------------------------------------------*/
 
-static snd_pcm_ops_t snd_trident_playback_ops = {
+static struct snd_pcm_ops snd_trident_playback_ops = {
 	.open =		snd_trident_playback_open,
 	.close =	snd_trident_playback_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2038,7 +2072,7 @@ static snd_pcm_ops_t snd_trident_playback_ops = {
 	.pointer =	snd_trident_playback_pointer,
 };
 
-static snd_pcm_ops_t snd_trident_nx_playback_ops = {
+static struct snd_pcm_ops snd_trident_nx_playback_ops = {
 	.open =		snd_trident_playback_open,
 	.close =	snd_trident_playback_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2050,7 +2084,7 @@ static snd_pcm_ops_t snd_trident_nx_playback_ops = {
 	.page =		snd_pcm_sgbuf_ops_page,
 };
 
-static snd_pcm_ops_t snd_trident_capture_ops = {
+static struct snd_pcm_ops snd_trident_capture_ops = {
 	.open =		snd_trident_capture_open,
 	.close =	snd_trident_capture_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2061,7 +2095,7 @@ static snd_pcm_ops_t snd_trident_capture_ops = {
 	.pointer =	snd_trident_capture_pointer,
 };
 
-static snd_pcm_ops_t snd_trident_si7018_capture_ops = {
+static struct snd_pcm_ops snd_trident_si7018_capture_ops = {
 	.open =		snd_trident_capture_open,
 	.close =	snd_trident_capture_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2072,7 +2106,7 @@ static snd_pcm_ops_t snd_trident_si7018_capture_ops = {
 	.pointer =	snd_trident_playback_pointer,
 };
 
-static snd_pcm_ops_t snd_trident_foldback_ops = {
+static struct snd_pcm_ops snd_trident_foldback_ops = {
 	.open =		snd_trident_foldback_open,
 	.close =	snd_trident_foldback_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2083,7 +2117,7 @@ static snd_pcm_ops_t snd_trident_foldback_ops = {
 	.pointer =	snd_trident_playback_pointer,
 };
 
-static snd_pcm_ops_t snd_trident_nx_foldback_ops = {
+static struct snd_pcm_ops snd_trident_nx_foldback_ops = {
 	.open =		snd_trident_foldback_open,
 	.close =	snd_trident_foldback_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2095,7 +2129,7 @@ static snd_pcm_ops_t snd_trident_nx_foldback_ops = {
 	.page =		snd_pcm_sgbuf_ops_page,
 };
 
-static snd_pcm_ops_t snd_trident_spdif_ops = {
+static struct snd_pcm_ops snd_trident_spdif_ops = {
 	.open =		snd_trident_spdif_open,
 	.close =	snd_trident_spdif_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2106,7 +2140,7 @@ static snd_pcm_ops_t snd_trident_spdif_ops = {
 	.pointer =	snd_trident_spdif_pointer,
 };
 
-static snd_pcm_ops_t snd_trident_spdif_7018_ops = {
+static struct snd_pcm_ops snd_trident_spdif_7018_ops = {
 	.open =		snd_trident_spdif_open,
 	.close =	snd_trident_spdif_close,
 	.ioctl =	snd_trident_ioctl,
@@ -2128,9 +2162,10 @@ static snd_pcm_ops_t snd_trident_spdif_7018_ops = {
   
   ---------------------------------------------------------------------------*/
 
-int __devinit snd_trident_pcm(trident_t * trident, int device, snd_pcm_t ** rpcm)
+int __devinit snd_trident_pcm(struct snd_trident * trident,
+			      int device, struct snd_pcm ** rpcm)
 {
-	snd_pcm_t *pcm;
+	struct snd_pcm *pcm;
 	int err;
 
 	if (rpcm)
@@ -2156,7 +2191,7 @@ int __devinit snd_trident_pcm(trident_t * trident, int device, snd_pcm_t ** rpcm
 	trident->pcm = pcm;
 
 	if (trident->tlb.entries) {
-		snd_pcm_substream_t *substream;
+		struct snd_pcm_substream *substream;
 		for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
 			snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
 						      snd_dma_pci_data(trident->pci),
@@ -2185,12 +2220,13 @@ int __devinit snd_trident_pcm(trident_t * trident, int device, snd_pcm_t ** rpcm
   
   ---------------------------------------------------------------------------*/
 
-int __devinit snd_trident_foldback_pcm(trident_t * trident, int device, snd_pcm_t ** rpcm)
+int __devinit snd_trident_foldback_pcm(struct snd_trident * trident,
+				       int device, struct snd_pcm ** rpcm)
 {
-	snd_pcm_t *foldback;
+	struct snd_pcm *foldback;
 	int err;
 	int num_chan = 3;
-	snd_pcm_substream_t *substream;
+	struct snd_pcm_substream *substream;
 
 	if (rpcm)
 		*rpcm = NULL;
@@ -2241,9 +2277,10 @@ int __devinit snd_trident_foldback_pcm(trident_t * trident, int device, snd_pcm_
   
   ---------------------------------------------------------------------------*/
 
-int __devinit snd_trident_spdif_pcm(trident_t * trident, int device, snd_pcm_t ** rpcm)
+int __devinit snd_trident_spdif_pcm(struct snd_trident * trident,
+				    int device, struct snd_pcm ** rpcm)
 {
-	snd_pcm_t *spdif;
+	struct snd_pcm *spdif;
 	int err;
 
 	if (rpcm)
@@ -2279,7 +2316,8 @@ int __devinit snd_trident_spdif_pcm(trident_t * trident, int device, snd_pcm_t *
     Description: enable/disable S/PDIF out from ac97 mixer
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_spdif_control_info(struct snd_kcontrol *kcontrol,
+					  struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 	uinfo->count = 1;
@@ -2288,10 +2326,10 @@ static int snd_trident_spdif_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem
 	return 0;
 }
 
-static int snd_trident_spdif_control_get(snd_kcontrol_t * kcontrol,
-					 snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_control_get(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 
 	spin_lock_irq(&trident->reg_lock);
@@ -2301,10 +2339,10 @@ static int snd_trident_spdif_control_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_spdif_control_put(snd_kcontrol_t * kcontrol,
-					 snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_control_put(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 	int change;
 
@@ -2332,7 +2370,7 @@ static int snd_trident_spdif_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_spdif_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_spdif_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
@@ -2348,17 +2386,18 @@ static snd_kcontrol_new_t snd_trident_spdif_control __devinitdata =
     Description: put/get the S/PDIF default settings
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_default_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_spdif_default_info(struct snd_kcontrol *kcontrol,
+					  struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 	uinfo->count = 1;
 	return 0;
 }
 
-static int snd_trident_spdif_default_get(snd_kcontrol_t * kcontrol,
-					 snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_default_get(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 
 	spin_lock_irq(&trident->reg_lock);
 	ucontrol->value.iec958.status[0] = (trident->spdif_bits >> 0) & 0xff;
@@ -2369,10 +2408,10 @@ static int snd_trident_spdif_default_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_spdif_default_put(snd_kcontrol_t * kcontrol,
-					 snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_default_put(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 	int change;
 
@@ -2394,7 +2433,7 @@ static int snd_trident_spdif_default_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_spdif_default __devinitdata =
+static struct snd_kcontrol_new snd_trident_spdif_default __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
@@ -2409,15 +2448,16 @@ static snd_kcontrol_new_t snd_trident_spdif_default __devinitdata =
     Description: put/get the S/PDIF mask
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_spdif_mask_info(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 	uinfo->count = 1;
 	return 0;
 }
 
-static int snd_trident_spdif_mask_get(snd_kcontrol_t * kcontrol,
-				      snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_mask_get(struct snd_kcontrol *kcontrol,
+				      struct snd_ctl_elem_value *ucontrol)
 {
 	ucontrol->value.iec958.status[0] = 0xff;
 	ucontrol->value.iec958.status[1] = 0xff;
@@ -2426,7 +2466,7 @@ static int snd_trident_spdif_mask_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static snd_kcontrol_new_t snd_trident_spdif_mask __devinitdata =
+static struct snd_kcontrol_new snd_trident_spdif_mask __devinitdata =
 {
 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
@@ -2441,17 +2481,18 @@ static snd_kcontrol_new_t snd_trident_spdif_mask __devinitdata =
     Description: put/get the S/PDIF stream settings
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_spdif_stream_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_spdif_stream_info(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 	uinfo->count = 1;
 	return 0;
 }
 
-static int snd_trident_spdif_stream_get(snd_kcontrol_t * kcontrol,
-					snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_stream_get(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 
 	spin_lock_irq(&trident->reg_lock);
 	ucontrol->value.iec958.status[0] = (trident->spdif_pcm_bits >> 0) & 0xff;
@@ -2462,10 +2503,10 @@ static int snd_trident_spdif_stream_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_spdif_stream_put(snd_kcontrol_t * kcontrol,
-					snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_spdif_stream_put(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 	int change;
 
@@ -2487,7 +2528,7 @@ static int snd_trident_spdif_stream_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_spdif_stream __devinitdata =
+static struct snd_kcontrol_new snd_trident_spdif_stream __devinitdata =
 {
 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
@@ -2503,7 +2544,8 @@ static snd_kcontrol_new_t snd_trident_spdif_stream __devinitdata =
     Description: enable/disable rear path for ac97
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_ac97_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_ac97_control_info(struct snd_kcontrol *kcontrol,
+					 struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 	uinfo->count = 1;
@@ -2512,10 +2554,10 @@ static int snd_trident_ac97_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_
 	return 0;
 }
 
-static int snd_trident_ac97_control_get(snd_kcontrol_t * kcontrol,
-					snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_ac97_control_get(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 
 	spin_lock_irq(&trident->reg_lock);
@@ -2525,10 +2567,10 @@ static int snd_trident_ac97_control_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_ac97_control_put(snd_kcontrol_t * kcontrol,
-					snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_ac97_control_put(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned char val;
 	int change = 0;
 
@@ -2544,7 +2586,7 @@ static int snd_trident_ac97_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_ac97_rear_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_ac97_rear_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "Rear Path",
@@ -2560,7 +2602,8 @@ static snd_kcontrol_new_t snd_trident_ac97_rear_control __devinitdata =
     Description: wave & music volume control
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_vol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_vol_control_info(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 2;
@@ -2569,10 +2612,10 @@ static int snd_trident_vol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_i
 	return 0;
 }
 
-static int snd_trident_vol_control_get(snd_kcontrol_t * kcontrol,
-				       snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_vol_control_get(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 
 	val = trident->musicvol_wavevol;
@@ -2581,10 +2624,10 @@ static int snd_trident_vol_control_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_vol_control_put(snd_kcontrol_t * kcontrol,
-				       snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_vol_control_put(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
 	int change = 0;
 
@@ -2599,7 +2642,7 @@ static int snd_trident_vol_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_vol_music_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_vol_music_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "Music Playback Volume",
@@ -2609,7 +2652,7 @@ static snd_kcontrol_new_t snd_trident_vol_music_control __devinitdata =
 	.private_value = 16,
 };
 
-static snd_kcontrol_new_t snd_trident_vol_wave_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_vol_wave_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "Wave Playback Volume",
@@ -2625,9 +2668,10 @@ static snd_kcontrol_new_t snd_trident_vol_wave_control __devinitdata =
     Description: PCM front volume control
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_pcm_vol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_pcm_vol_control_info(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_info *uinfo)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
 
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
@@ -2638,11 +2682,11 @@ static int snd_trident_pcm_vol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_el
 	return 0;
 }
 
-static int snd_trident_pcm_vol_control_get(snd_kcontrol_t * kcontrol,
-					   snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_vol_control_get(struct snd_kcontrol *kcontrol,
+					   struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 
 	if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
 		ucontrol->value.integer.value[0] = 1023 - mix->vol;
@@ -2652,11 +2696,11 @@ static int snd_trident_pcm_vol_control_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_pcm_vol_control_put(snd_kcontrol_t * kcontrol,
-					   snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_vol_control_put(struct snd_kcontrol *kcontrol,
+					   struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 	unsigned int val;
 	int change = 0;
 
@@ -2674,7 +2718,7 @@ static int snd_trident_pcm_vol_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_pcm_vol_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_pcm_vol_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "PCM Front Playback Volume",
@@ -2691,7 +2735,8 @@ static snd_kcontrol_new_t snd_trident_pcm_vol_control __devinitdata =
     Description: PCM front pan control
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_pcm_pan_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_pcm_pan_control_info(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
@@ -2700,11 +2745,11 @@ static int snd_trident_pcm_pan_control_info(snd_kcontrol_t *kcontrol, snd_ctl_el
 	return 0;
 }
 
-static int snd_trident_pcm_pan_control_get(snd_kcontrol_t * kcontrol,
-					   snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_pan_control_get(struct snd_kcontrol *kcontrol,
+					   struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 
 	ucontrol->value.integer.value[0] = mix->pan;
 	if (ucontrol->value.integer.value[0] & 0x40) {
@@ -2715,11 +2760,11 @@ static int snd_trident_pcm_pan_control_get(snd_kcontrol_t * kcontrol,
 	return 0;
 }
 
-static int snd_trident_pcm_pan_control_put(snd_kcontrol_t * kcontrol,
-					   snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_pan_control_put(struct snd_kcontrol *kcontrol,
+					   struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 	unsigned char val;
 	int change = 0;
 
@@ -2736,7 +2781,7 @@ static int snd_trident_pcm_pan_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_pcm_pan_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_pcm_pan_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "PCM Pan Playback Control",
@@ -2753,7 +2798,8 @@ static snd_kcontrol_new_t snd_trident_pcm_pan_control __devinitdata =
     Description: PCM reverb volume control
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_pcm_rvol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_pcm_rvol_control_info(struct snd_kcontrol *kcontrol,
+					     struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
@@ -2762,21 +2808,21 @@ static int snd_trident_pcm_rvol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_e
 	return 0;
 }
 
-static int snd_trident_pcm_rvol_control_get(snd_kcontrol_t * kcontrol,
-					    snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_rvol_control_get(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 
 	ucontrol->value.integer.value[0] = 127 - mix->rvol;
 	return 0;
 }
 
-static int snd_trident_pcm_rvol_control_put(snd_kcontrol_t * kcontrol,
-					    snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_rvol_control_put(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 	unsigned short val;
 	int change = 0;
 
@@ -2790,7 +2836,7 @@ static int snd_trident_pcm_rvol_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_pcm_rvol_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_pcm_rvol_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "PCM Reverb Playback Volume",
@@ -2807,7 +2853,8 @@ static snd_kcontrol_new_t snd_trident_pcm_rvol_control __devinitdata =
     Description: PCM chorus volume control
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_pcm_cvol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+static int snd_trident_pcm_cvol_control_info(struct snd_kcontrol *kcontrol,
+					     struct snd_ctl_elem_info *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 	uinfo->count = 1;
@@ -2816,21 +2863,21 @@ static int snd_trident_pcm_cvol_control_info(snd_kcontrol_t *kcontrol, snd_ctl_e
 	return 0;
 }
 
-static int snd_trident_pcm_cvol_control_get(snd_kcontrol_t * kcontrol,
-					    snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_cvol_control_get(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 
 	ucontrol->value.integer.value[0] = 127 - mix->cvol;
 	return 0;
 }
 
-static int snd_trident_pcm_cvol_control_put(snd_kcontrol_t * kcontrol,
-					    snd_ctl_elem_value_t * ucontrol)
+static int snd_trident_pcm_cvol_control_put(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *ucontrol)
 {
-	trident_t *trident = snd_kcontrol_chip(kcontrol);
-	snd_trident_pcm_mixer_t *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
+	struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
+	struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
 	unsigned short val;
 	int change = 0;
 
@@ -2844,7 +2891,7 @@ static int snd_trident_pcm_cvol_control_put(snd_kcontrol_t * kcontrol,
 	return change;
 }
 
-static snd_kcontrol_new_t snd_trident_pcm_cvol_control __devinitdata =
+static struct snd_kcontrol_new snd_trident_pcm_cvol_control __devinitdata =
 {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "PCM Chorus Playback Volume",
@@ -2855,9 +2902,11 @@ static snd_kcontrol_new_t snd_trident_pcm_cvol_control __devinitdata =
 	.put =		snd_trident_pcm_cvol_control_put,
 };
 
-static void snd_trident_notify_pcm_change1(snd_card_t * card, snd_kcontrol_t *kctl, int num, int activate)
+static void snd_trident_notify_pcm_change1(struct snd_card *card,
+					   struct snd_kcontrol *kctl,
+					   int num, int activate)
 {
-	snd_ctl_elem_id_t id;
+	struct snd_ctl_elem_id id;
 
 	if (! kctl)
 		return;
@@ -2870,7 +2919,9 @@ static void snd_trident_notify_pcm_change1(snd_card_t * card, snd_kcontrol_t *kc
 		       snd_ctl_build_ioff(&id, kctl, num));
 }
 
-static void snd_trident_notify_pcm_change(trident_t *trident, snd_trident_pcm_mixer_t *tmix, int num, int activate)
+static void snd_trident_notify_pcm_change(struct snd_trident *trident,
+					  struct snd_trident_pcm_mixer *tmix,
+					  int num, int activate)
 {
 	snd_trident_notify_pcm_change1(trident->card, trident->ctl_vol, num, activate);
 	snd_trident_notify_pcm_change1(trident->card, trident->ctl_pan, num, activate);
@@ -2878,9 +2929,11 @@ static void snd_trident_notify_pcm_change(trident_t *trident, snd_trident_pcm_mi
 	snd_trident_notify_pcm_change1(trident->card, trident->ctl_cvol, num, activate);
 }
 
-static int snd_trident_pcm_mixer_build(trident_t *trident, snd_trident_voice_t *voice, snd_pcm_substream_t *substream)
+static int snd_trident_pcm_mixer_build(struct snd_trident *trident,
+				       struct snd_trident_voice *voice,
+				       struct snd_pcm_substream *substream)
 {
-	snd_trident_pcm_mixer_t *tmix;
+	struct snd_trident_pcm_mixer *tmix;
 
 	snd_assert(trident != NULL && voice != NULL && substream != NULL, return -EINVAL);
 	tmix = &trident->pcm_mixer[substream->number];
@@ -2893,9 +2946,9 @@ static int snd_trident_pcm_mixer_build(trident_t *trident, snd_trident_voice_t *
 	return 0;
 }
 
-static int snd_trident_pcm_mixer_free(trident_t *trident, snd_trident_voice_t *voice, snd_pcm_substream_t *substream)
+static int snd_trident_pcm_mixer_free(struct snd_trident *trident, struct snd_trident_voice *voice, struct snd_pcm_substream *substream)
 {
-	snd_trident_pcm_mixer_t *tmix;
+	struct snd_trident_pcm_mixer *tmix;
 
 	snd_assert(trident != NULL && substream != NULL, return -EINVAL);
 	tmix = &trident->pcm_mixer[substream->number];
@@ -2915,14 +2968,14 @@ static int snd_trident_pcm_mixer_free(trident_t *trident, snd_trident_voice_t *v
   
   ---------------------------------------------------------------------------*/
 
-static int __devinit snd_trident_mixer(trident_t * trident, int pcm_spdif_device)
+static int __devinit snd_trident_mixer(struct snd_trident * trident, int pcm_spdif_device)
 {
-	ac97_template_t _ac97;
-	snd_card_t * card = trident->card;
-	snd_kcontrol_t *kctl;
-	snd_ctl_elem_value_t *uctl;
+	struct snd_ac97_template _ac97;
+	struct snd_card *card = trident->card;
+	struct snd_kcontrol *kctl;
+	struct snd_ctl_elem_value *uctl;
 	int idx, err, retries = 2;
-	static ac97_bus_ops_t ops = {
+	static struct snd_ac97_bus_ops ops = {
 		.write = snd_trident_codec_write,
 		.read = snd_trident_codec_read,
 	};
@@ -2959,7 +3012,7 @@ static int __devinit snd_trident_mixer(trident_t * trident, int pcm_spdif_device
 			snd_printk(KERN_ERR "SI7018: the secondary codec - invalid access\n");
 #if 0	// only for my testing purpose --jk
 		{
-			ac97_t *mc97;
+			struct snd_ac97 *mc97;
 			err = snd_ac97_modem(trident->card, &_ac97, &mc97);
 			if (err < 0)
 				snd_printk(KERN_ERR "snd_ac97_modem returned error %i\n", err);
@@ -2982,7 +3035,7 @@ static int __devinit snd_trident_mixer(trident_t * trident, int pcm_spdif_device
 	}
 
 	for (idx = 0; idx < 32; idx++) {
-		snd_trident_pcm_mixer_t *tmix;
+		struct snd_trident_pcm_mixer *tmix;
 		
 		tmix = &trident->pcm_mixer[idx];
 		tmix->voice = NULL;
@@ -3080,7 +3133,7 @@ static int __devinit snd_trident_mixer(trident_t * trident, int pcm_spdif_device
 
 static unsigned char snd_trident_gameport_read(struct gameport *gameport)
 {
-	trident_t *chip = gameport_get_port_data(gameport);
+	struct snd_trident *chip = gameport_get_port_data(gameport);
 
 	snd_assert(chip, return 0);
 	return inb(TRID_REG(chip, GAMEPORT_LEGACY));
@@ -3088,7 +3141,7 @@ static unsigned char snd_trident_gameport_read(struct gameport *gameport)
 
 static void snd_trident_gameport_trigger(struct gameport *gameport)
 {
-	trident_t *chip = gameport_get_port_data(gameport);
+	struct snd_trident *chip = gameport_get_port_data(gameport);
 
 	snd_assert(chip, return);
 	outb(0xff, TRID_REG(chip, GAMEPORT_LEGACY));
@@ -3096,7 +3149,7 @@ static void snd_trident_gameport_trigger(struct gameport *gameport)
 
 static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
 {
-	trident_t *chip = gameport_get_port_data(gameport);
+	struct snd_trident *chip = gameport_get_port_data(gameport);
 	int i;
 
 	snd_assert(chip, return 0);
@@ -3113,7 +3166,7 @@ static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes
 
 static int snd_trident_gameport_open(struct gameport *gameport, int mode)
 {
-	trident_t *chip = gameport_get_port_data(gameport);
+	struct snd_trident *chip = gameport_get_port_data(gameport);
 
 	snd_assert(chip, return 0);
 
@@ -3130,7 +3183,7 @@ static int snd_trident_gameport_open(struct gameport *gameport, int mode)
 	}
 }
 
-int __devinit snd_trident_create_gameport(trident_t *chip)
+int __devinit snd_trident_create_gameport(struct snd_trident *chip)
 {
 	struct gameport *gp;
 
@@ -3156,7 +3209,7 @@ int __devinit snd_trident_create_gameport(trident_t *chip)
 	return 0;
 }
 
-static inline void snd_trident_free_gameport(trident_t *chip)
+static inline void snd_trident_free_gameport(struct snd_trident *chip)
 {
 	if (chip->gameport) {
 		gameport_unregister_port(chip->gameport);
@@ -3164,14 +3217,14 @@ static inline void snd_trident_free_gameport(trident_t *chip)
 	}
 }
 #else
-int __devinit snd_trident_create_gameport(trident_t *chip) { return -ENOSYS; }
-static inline void snd_trident_free_gameport(trident_t *chip) { }
+int __devinit snd_trident_create_gameport(struct snd_trident *chip) { return -ENOSYS; }
+static inline void snd_trident_free_gameport(struct snd_trident *chip) { }
 #endif /* CONFIG_GAMEPORT */
 
 /*
  * delay for 1 tick
  */
-static inline void do_delay(trident_t *chip)
+static inline void do_delay(struct snd_trident *chip)
 {
 	schedule_timeout_uninterruptible(1);
 }
@@ -3180,7 +3233,7 @@ static inline void do_delay(trident_t *chip)
  *  SiS reset routine
  */
 
-static int snd_trident_sis_reset(trident_t *trident)
+static int snd_trident_sis_reset(struct snd_trident *trident)
 {
 	unsigned long end_time;
 	unsigned int i;
@@ -3233,10 +3286,10 @@ static int snd_trident_sis_reset(trident_t *trident)
  *  /proc interface
  */
 
-static void snd_trident_proc_read(snd_info_entry_t *entry, 
-				  snd_info_buffer_t * buffer)
+static void snd_trident_proc_read(struct snd_info_entry *entry, 
+				  struct snd_info_buffer *buffer)
 {
-	trident_t *trident = entry->private_data;
+	struct snd_trident *trident = entry->private_data;
 	char *s;
 
 	switch (trident->device) {
@@ -3274,9 +3327,9 @@ static void snd_trident_proc_read(snd_info_entry_t *entry,
 #endif
 }
 
-static void __devinit snd_trident_proc_init(trident_t * trident)
+static void __devinit snd_trident_proc_init(struct snd_trident * trident)
 {
-	snd_info_entry_t *entry;
+	struct snd_info_entry *entry;
 	const char *s = "trident";
 	
 	if (trident->device == TRIDENT_DEVICE_ID_SI7018)
@@ -3285,9 +3338,9 @@ static void __devinit snd_trident_proc_init(trident_t * trident)
 		snd_info_set_text_ops(entry, trident, 1024, snd_trident_proc_read);
 }
 
-static int snd_trident_dev_free(snd_device_t *device)
+static int snd_trident_dev_free(struct snd_device *device)
 {
-	trident_t *trident = device->device_data;
+	struct snd_trident *trident = device->device_data;
 	return snd_trident_free(trident);
 }
 
@@ -3303,7 +3356,7 @@ static int snd_trident_dev_free(snd_device_t *device)
   
   ---------------------------------------------------------------------------*/
 
-static int __devinit snd_trident_tlb_alloc(trident_t *trident)
+static int __devinit snd_trident_tlb_alloc(struct snd_trident *trident)
 {
 	int i;
 
@@ -3318,7 +3371,7 @@ static int __devinit snd_trident_tlb_alloc(trident_t *trident)
 	trident->tlb.entries = (unsigned int*)(((unsigned long)trident->tlb.buffer.area + SNDRV_TRIDENT_MAX_PAGES * 4 - 1) & ~(SNDRV_TRIDENT_MAX_PAGES * 4 - 1));
 	trident->tlb.entries_dmaaddr = (trident->tlb.buffer.addr + SNDRV_TRIDENT_MAX_PAGES * 4 - 1) & ~(SNDRV_TRIDENT_MAX_PAGES * 4 - 1);
 	/* allocate shadow TLB page table (virtual addresses) */
-	trident->tlb.shadow_entries = (unsigned long *)vmalloc(SNDRV_TRIDENT_MAX_PAGES*sizeof(unsigned long));
+	trident->tlb.shadow_entries = vmalloc(SNDRV_TRIDENT_MAX_PAGES*sizeof(unsigned long));
 	if (trident->tlb.shadow_entries == NULL) {
 		snd_printk(KERN_ERR "trident: unable to allocate shadow TLB entries\n");
 		return -ENOMEM;
@@ -3340,7 +3393,7 @@ static int __devinit snd_trident_tlb_alloc(trident_t *trident)
 	if (trident->tlb.memhdr == NULL)
 		return -ENOMEM;
 
-	trident->tlb.memhdr->block_extra_size = sizeof(snd_trident_memblk_arg_t);
+	trident->tlb.memhdr->block_extra_size = sizeof(struct snd_trident_memblk_arg);
 	return 0;
 }
 
@@ -3348,7 +3401,7 @@ static int __devinit snd_trident_tlb_alloc(trident_t *trident)
  * initialize 4D DX chip
  */
 
-static void snd_trident_stop_all_voices(trident_t *trident)
+static void snd_trident_stop_all_voices(struct snd_trident *trident)
 {
 	outl(0xffffffff, TRID_REG(trident, T4D_STOP_A));
 	outl(0xffffffff, TRID_REG(trident, T4D_STOP_B));
@@ -3356,7 +3409,7 @@ static void snd_trident_stop_all_voices(trident_t *trident)
 	outl(0, TRID_REG(trident, T4D_AINTEN_B));
 }
 
-static int snd_trident_4d_dx_init(trident_t *trident)
+static int snd_trident_4d_dx_init(struct snd_trident *trident)
 {
 	struct pci_dev *pci = trident->pci;
 	unsigned long end_time;
@@ -3396,7 +3449,7 @@ static int snd_trident_4d_dx_init(trident_t *trident)
 /*
  * initialize 4D NX chip
  */
-static int snd_trident_4d_nx_init(trident_t *trident)
+static int snd_trident_4d_nx_init(struct snd_trident *trident)
 {
 	struct pci_dev *pci = trident->pci;
 	unsigned long end_time;
@@ -3453,7 +3506,7 @@ static int snd_trident_4d_nx_init(trident_t *trident)
 /*
  * initialize sis7018 chip
  */
-static int snd_trident_sis_init(trident_t *trident)
+static int snd_trident_sis_init(struct snd_trident *trident)
 {
 	int err;
 
@@ -3484,18 +3537,18 @@ static int snd_trident_sis_init(trident_t *trident)
   
   ---------------------------------------------------------------------------*/
 
-int __devinit snd_trident_create(snd_card_t * card,
+int __devinit snd_trident_create(struct snd_card *card,
 		       struct pci_dev *pci,
 		       int pcm_streams,
 		       int pcm_spdif_device,
 		       int max_wavetable_size,
-		       trident_t ** rtrident)
+		       struct snd_trident ** rtrident)
 {
-	trident_t *trident;
+	struct snd_trident *trident;
 	int i, err;
-	snd_trident_voice_t *voice;
-	snd_trident_pcm_mixer_t *tmix;
-	static snd_device_ops_t ops = {
+	struct snd_trident_voice *voice;
+	struct snd_trident_pcm_mixer *tmix;
+	static struct snd_device_ops ops = {
 		.dev_free =	snd_trident_dev_free,
 	};
 
@@ -3543,7 +3596,8 @@ int __devinit snd_trident_create(snd_card_t * card,
 	}
 	trident->port = pci_resource_start(pci, 0);
 
-	if (request_irq(pci->irq, snd_trident_interrupt, SA_INTERRUPT|SA_SHIRQ, "Trident Audio", (void *) trident)) {
+	if (request_irq(pci->irq, snd_trident_interrupt, SA_INTERRUPT|SA_SHIRQ,
+			"Trident Audio", trident)) {
 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
 		snd_trident_free(trident);
 		return -EBUSY;
@@ -3627,7 +3681,7 @@ int __devinit snd_trident_create(snd_card_t * card,
   
   ---------------------------------------------------------------------------*/
 
-static int snd_trident_free(trident_t *trident)
+static int snd_trident_free(struct snd_trident *trident)
 {
 	snd_trident_free_gameport(trident);
 	snd_trident_disable_eso(trident);
@@ -3647,7 +3701,7 @@ static int snd_trident_free(trident_t *trident)
 		snd_dma_free_pages(&trident->tlb.buffer);
 	}
 	if (trident->irq >= 0)
-		free_irq(trident->irq, (void *)trident);
+		free_irq(trident->irq, trident);
 	pci_release_regions(trident->pci);
 	pci_disable_device(trident->pci);
 	kfree(trident);
@@ -3674,10 +3728,10 @@ static int snd_trident_free(trident_t *trident)
 
 static irqreturn_t snd_trident_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-	trident_t *trident = dev_id;
+	struct snd_trident *trident = dev_id;
 	unsigned int audio_int, chn_int, stimer, channel, mask, tmp;
 	int delta;
-	snd_trident_voice_t *voice;
+	struct snd_trident_voice *voice;
 
 	audio_int = inl(TRID_REG(trident, T4D_MISCINT));
 	if ((audio_int & (ADDRESS_IRQ|MPU401_IRQ)) == 0)
@@ -3779,21 +3833,21 @@ static irqreturn_t snd_trident_interrupt(int irq, void *dev_id, struct pt_regs *
    Returns:     None.
   
   ---------------------------------------------------------------------------*/
-int snd_trident_attach_synthesizer(trident_t *trident)
+int snd_trident_attach_synthesizer(struct snd_trident *trident)
 {	
 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
 	if (snd_seq_device_new(trident->card, 1, SNDRV_SEQ_DEV_ID_TRIDENT,
-			       sizeof(trident_t*), &trident->seq_dev) >= 0) {
+			       sizeof(struct snd_trident *), &trident->seq_dev) >= 0) {
 		strcpy(trident->seq_dev->name, "4DWave");
-		*(trident_t**)SNDRV_SEQ_DEVICE_ARGPTR(trident->seq_dev) = trident;
+		*(struct snd_trident **)SNDRV_SEQ_DEVICE_ARGPTR(trident->seq_dev) = trident;
 	}
 #endif
 	return 0;
 }
 
-snd_trident_voice_t *snd_trident_alloc_voice(trident_t * trident, int type, int client, int port)
+struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type, int client, int port)
 {
-	snd_trident_voice_t *pvoice;
+	struct snd_trident_voice *pvoice;
 	unsigned long flags;
 	int idx;
 
@@ -3835,10 +3889,10 @@ snd_trident_voice_t *snd_trident_alloc_voice(trident_t * trident, int type, int
 	return NULL;
 }
 
-void snd_trident_free_voice(trident_t * trident, snd_trident_voice_t *voice)
+void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice)
 {
 	unsigned long flags;
-	void (*private_free)(snd_trident_voice_t *);
+	void (*private_free)(struct snd_trident_voice *);
 	void *private_data;
 
 	if (voice == NULL || !voice->use)
@@ -3863,7 +3917,7 @@ void snd_trident_free_voice(trident_t * trident, snd_trident_voice_t *voice)
 		private_free(voice);
 }
 
-static void snd_trident_clear_voices(trident_t * trident, unsigned short v_min, unsigned short v_max)
+static void snd_trident_clear_voices(struct snd_trident * trident, unsigned short v_min, unsigned short v_max)
 {
 	unsigned int i, val, mask[2] = { 0, 0 };
 
@@ -3884,9 +3938,9 @@ static void snd_trident_clear_voices(trident_t * trident, unsigned short v_min,
 }
 
 #ifdef CONFIG_PM
-static int snd_trident_suspend(snd_card_t *card, pm_message_t state)
+static int snd_trident_suspend(struct snd_card *card, pm_message_t state)
 {
-	trident_t *trident = card->pm_private_data;
+	struct snd_trident *trident = card->pm_private_data;
 
 	trident->in_suspend = 1;
 	snd_pcm_suspend_all(trident->pcm);
@@ -3910,9 +3964,9 @@ static int snd_trident_suspend(snd_card_t *card, pm_message_t state)
 	return 0;
 }
 
-static int snd_trident_resume(snd_card_t *card)
+static int snd_trident_resume(struct snd_card *card)
 {
-	trident_t *trident = card->pm_private_data;
+	struct snd_trident *trident = card->pm_private_data;
 
 	pci_enable_device(trident->pci);
 	if (pci_set_dma_mask(trident->pci, 0x3fffffff) < 0 ||
diff --git a/sound/pci/trident/trident_memory.c b/sound/pci/trident/trident_memory.c
index f3e6c546af7..cf09ea99755 100644
--- a/sound/pci/trident/trident_memory.c
+++ b/sound/pci/trident/trident_memory.c
@@ -68,13 +68,14 @@
 #define page_to_addr(trident,page)	__tlb_to_addr(trident, (page) << 1)
 
 /* fill TLB entries -- we need to fill two entries */
-static inline void set_tlb_bus(trident_t *trident, int page, unsigned long ptr, dma_addr_t addr)
+static inline void set_tlb_bus(struct snd_trident *trident, int page,
+			       unsigned long ptr, dma_addr_t addr)
 {
 	page <<= 1;
 	__set_tlb_bus(trident, page, ptr, addr);
 	__set_tlb_bus(trident, page+1, ptr + SNDRV_TRIDENT_PAGE_SIZE, addr + SNDRV_TRIDENT_PAGE_SIZE);
 }
-static inline void set_silent_tlb(trident_t *trident, int page)
+static inline void set_silent_tlb(struct snd_trident *trident, int page)
 {
 	page <<= 1;
 	__set_tlb_bus(trident, page, (unsigned long)trident->tlb.silent_page.area, trident->tlb.silent_page.addr);
@@ -97,7 +98,8 @@ static inline void set_silent_tlb(trident_t *trident, int page)
 #define page_to_addr(trident,page)	__tlb_to_addr(trident, (page) * UNIT_PAGES)
 
 /* fill TLB entries -- UNIT_PAGES entries must be filled */
-static inline void set_tlb_bus(trident_t *trident, int page, unsigned long ptr, dma_addr_t addr)
+static inline void set_tlb_bus(struct snd_trident *trident, int page,
+			       unsigned long ptr, dma_addr_t addr)
 {
 	int i;
 	page *= UNIT_PAGES;
@@ -107,7 +109,7 @@ static inline void set_tlb_bus(trident_t *trident, int page, unsigned long ptr,
 		addr += SNDRV_TRIDENT_PAGE_SIZE;
 	}
 }
-static inline void set_silent_tlb(trident_t *trident, int page)
+static inline void set_silent_tlb(struct snd_trident *trident, int page)
 {
 	int i;
 	page *= UNIT_PAGES;
@@ -118,7 +120,7 @@ static inline void set_silent_tlb(trident_t *trident, int page)
 #endif /* PAGE_SIZE */
 
 /* calculate buffer pointer from offset address */
-static inline void *offset_ptr(trident_t *trident, int offset)
+static inline void *offset_ptr(struct snd_trident *trident, int offset)
 {
 	char *ptr;
 	ptr = page_to_ptr(trident, get_aligned_page(offset));
@@ -127,16 +129,16 @@ static inline void *offset_ptr(trident_t *trident, int offset)
 }
 
 /* first and last (aligned) pages of memory block */
-#define firstpg(blk)	(((snd_trident_memblk_arg_t*)snd_util_memblk_argptr(blk))->first_page)
-#define lastpg(blk)	(((snd_trident_memblk_arg_t*)snd_util_memblk_argptr(blk))->last_page)
+#define firstpg(blk)	(((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->first_page)
+#define lastpg(blk)	(((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->last_page)
 
 /*
  * search empty pages which may contain given size
  */
-static snd_util_memblk_t *
-search_empty(snd_util_memhdr_t *hdr, int size)
+static struct snd_util_memblk *
+search_empty(struct snd_util_memhdr *hdr, int size)
 {
-	snd_util_memblk_t *blk, *prev;
+	struct snd_util_memblk *blk, *prev;
 	int page, psize;
 	struct list_head *p;
 
@@ -144,7 +146,7 @@ search_empty(snd_util_memhdr_t *hdr, int size)
 	prev = NULL;
 	page = 0;
 	list_for_each(p, &hdr->block) {
-		blk = list_entry(p, snd_util_memblk_t, list);
+		blk = list_entry(p, struct snd_util_memblk, list);
 		if (page + psize <= firstpg(blk))
 			goto __found_pages;
 		page = lastpg(blk) + 1;
@@ -183,12 +185,13 @@ static int is_valid_page(unsigned long ptr)
 /*
  * page allocation for DMA (Scatter-Gather version)
  */
-static snd_util_memblk_t *
-snd_trident_alloc_sg_pages(trident_t *trident, snd_pcm_substream_t *substream)
+static struct snd_util_memblk *
+snd_trident_alloc_sg_pages(struct snd_trident *trident,
+			   struct snd_pcm_substream *substream)
 {
-	snd_util_memhdr_t *hdr;
-	snd_util_memblk_t *blk;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_util_memhdr *hdr;
+	struct snd_util_memblk *blk;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	int idx, page;
 	struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
 
@@ -230,13 +233,14 @@ snd_trident_alloc_sg_pages(trident_t *trident, snd_pcm_substream_t *substream)
 /*
  * page allocation for DMA (contiguous version)
  */
-static snd_util_memblk_t *
-snd_trident_alloc_cont_pages(trident_t *trident, snd_pcm_substream_t *substream)
+static struct snd_util_memblk *
+snd_trident_alloc_cont_pages(struct snd_trident *trident,
+			     struct snd_pcm_substream *substream)
 {
-	snd_util_memhdr_t *hdr;
-	snd_util_memblk_t *blk;
+	struct snd_util_memhdr *hdr;
+	struct snd_util_memblk *blk;
 	int page;
-	snd_pcm_runtime_t *runtime = substream->runtime;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 	dma_addr_t addr;
 	unsigned long ptr;
 
@@ -270,8 +274,9 @@ snd_trident_alloc_cont_pages(trident_t *trident, snd_pcm_substream_t *substream)
 /*
  * page allocation for DMA
  */
-snd_util_memblk_t *
-snd_trident_alloc_pages(trident_t *trident, snd_pcm_substream_t *substream)
+struct snd_util_memblk *
+snd_trident_alloc_pages(struct snd_trident *trident,
+			struct snd_pcm_substream *substream)
 {
 	snd_assert(trident != NULL, return NULL);
 	snd_assert(substream != NULL, return NULL);
@@ -285,9 +290,10 @@ snd_trident_alloc_pages(trident_t *trident, snd_pcm_substream_t *substream)
 /*
  * release DMA buffer from page table
  */
-int snd_trident_free_pages(trident_t *trident, snd_util_memblk_t *blk)
+int snd_trident_free_pages(struct snd_trident *trident,
+			   struct snd_util_memblk *blk)
 {
-	snd_util_memhdr_t *hdr;
+	struct snd_util_memhdr *hdr;
 	int page;
 
 	snd_assert(trident != NULL, return -EINVAL);
@@ -314,17 +320,17 @@ int snd_trident_free_pages(trident_t *trident, snd_util_memblk_t *blk)
 
 /*
  */
-static int synth_alloc_pages(trident_t *hw, snd_util_memblk_t *blk);
-static int synth_free_pages(trident_t *hw, snd_util_memblk_t *blk);
+static int synth_alloc_pages(struct snd_trident *hw, struct snd_util_memblk *blk);
+static int synth_free_pages(struct snd_trident *hw, struct snd_util_memblk *blk);
 
 /*
  * allocate a synth sample area
  */
-snd_util_memblk_t *
-snd_trident_synth_alloc(trident_t *hw, unsigned int size)
+struct snd_util_memblk *
+snd_trident_synth_alloc(struct snd_trident *hw, unsigned int size)
 {
-	snd_util_memblk_t *blk;
-	snd_util_memhdr_t *hdr = hw->tlb.memhdr; 
+	struct snd_util_memblk *blk;
+	struct snd_util_memhdr *hdr = hw->tlb.memhdr; 
 
 	down(&hdr->block_mutex);
 	blk = __snd_util_mem_alloc(hdr, size);
@@ -346,9 +352,9 @@ snd_trident_synth_alloc(trident_t *hw, unsigned int size)
  * free a synth sample area
  */
 int
-snd_trident_synth_free(trident_t *hw, snd_util_memblk_t *blk)
+snd_trident_synth_free(struct snd_trident *hw, struct snd_util_memblk *blk)
 {
-	snd_util_memhdr_t *hdr = hw->tlb.memhdr; 
+	struct snd_util_memhdr *hdr = hw->tlb.memhdr; 
 
 	down(&hdr->block_mutex);
 	synth_free_pages(hw, blk);
@@ -361,7 +367,7 @@ snd_trident_synth_free(trident_t *hw, snd_util_memblk_t *blk)
 /*
  * reset TLB entry and free kernel page
  */
-static void clear_tlb(trident_t *trident, int page)
+static void clear_tlb(struct snd_trident *trident, int page)
 {
 	void *ptr = page_to_ptr(trident, page);
 	dma_addr_t addr = page_to_addr(trident, page);
@@ -378,20 +384,22 @@ static void clear_tlb(trident_t *trident, int page)
 }
 
 /* check new allocation range */
-static void get_single_page_range(snd_util_memhdr_t *hdr, snd_util_memblk_t *blk, int *first_page_ret, int *last_page_ret)
+static void get_single_page_range(struct snd_util_memhdr *hdr,
+				  struct snd_util_memblk *blk,
+				  int *first_page_ret, int *last_page_ret)
 {
 	struct list_head *p;
-	snd_util_memblk_t *q;
+	struct snd_util_memblk *q;
 	int first_page, last_page;
 	first_page = firstpg(blk);
 	if ((p = blk->list.prev) != &hdr->block) {
-		q = list_entry(p, snd_util_memblk_t, list);
+		q = list_entry(p, struct snd_util_memblk, list);
 		if (lastpg(q) == first_page)
 			first_page++;  /* first page was already allocated */
 	}
 	last_page = lastpg(blk);
 	if ((p = blk->list.next) != &hdr->block) {
-		q = list_entry(p, snd_util_memblk_t, list);
+		q = list_entry(p, struct snd_util_memblk, list);
 		if (firstpg(q) == last_page)
 			last_page--; /* last page was already allocated */
 	}
@@ -402,7 +410,7 @@ static void get_single_page_range(snd_util_memhdr_t *hdr, snd_util_memblk_t *blk
 /*
  * allocate kernel pages and assign them to TLB
  */
-static int synth_alloc_pages(trident_t *hw, snd_util_memblk_t *blk)
+static int synth_alloc_pages(struct snd_trident *hw, struct snd_util_memblk *blk)
 {
 	int page, first_page, last_page;
 	struct snd_dma_buffer dmab;
@@ -438,7 +446,7 @@ __fail:
 /*
  * free pages
  */
-static int synth_free_pages(trident_t *trident, snd_util_memblk_t *blk)
+static int synth_free_pages(struct snd_trident *trident, struct snd_util_memblk *blk)
 {
 	int page, first_page, last_page;
 
@@ -452,7 +460,9 @@ static int synth_free_pages(trident_t *trident, snd_util_memblk_t *blk)
 /*
  * copy_from_user(blk + offset, data, size)
  */
-int snd_trident_synth_copy_from_user(trident_t *trident, snd_util_memblk_t *blk, int offset, const char __user *data, int size)
+int snd_trident_synth_copy_from_user(struct snd_trident *trident,
+				     struct snd_util_memblk *blk,
+				     int offset, const char __user *data, int size)
 {
 	int page, nextofs, end_offset, temp, temp1;
 
diff --git a/sound/pci/trident/trident_synth.c b/sound/pci/trident/trident_synth.c
index 5d5a719b058..a49682ef3e3 100644
--- a/sound/pci/trident/trident_synth.c
+++ b/sound/pci/trident/trident_synth.c
@@ -192,15 +192,15 @@ static unsigned short log_from_linear( unsigned short value )
  * Sample handling operations
  */
 
-static void sample_start(trident_t * trident, snd_trident_voice_t * voice, snd_seq_position_t position);
-static void sample_stop(trident_t * trident, snd_trident_voice_t * voice, snd_seq_stop_mode_t mode);
-static void sample_freq(trident_t * trident, snd_trident_voice_t * voice, snd_seq_frequency_t freq);
-static void sample_volume(trident_t * trident, snd_trident_voice_t * voice, snd_seq_ev_volume_t * volume);
-static void sample_loop(trident_t * trident, snd_trident_voice_t * voice, snd_seq_ev_loop_t * loop);
-static void sample_pos(trident_t * trident, snd_trident_voice_t * voice, snd_seq_position_t position);
-static void sample_private1(trident_t * trident, snd_trident_voice_t * voice, unsigned char *data);
-
-static snd_trident_sample_ops_t sample_ops =
+static void sample_start(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position);
+static void sample_stop(struct snd_trident * trident, struct snd_trident_voice * voice, int mode);
+static void sample_freq(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_frequency_t freq);
+static void sample_volume(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_volume * volume);
+static void sample_loop(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_loop * loop);
+static void sample_pos(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position);
+static void sample_private1(struct snd_trident * trident, struct snd_trident_voice * voice, unsigned char *data);
+
+static struct snd_trident_sample_ops sample_ops =
 {
 	sample_start,
 	sample_stop,
@@ -211,7 +211,7 @@ static snd_trident_sample_ops_t sample_ops =
 	sample_private1
 };
 
-static void snd_trident_simple_init(snd_trident_voice_t * voice)
+static void snd_trident_simple_init(struct snd_trident_voice * voice)
 {
 	//voice->handler_wave = interrupt_wave;
 	//voice->handler_volume = interrupt_volume;
@@ -220,10 +220,10 @@ static void snd_trident_simple_init(snd_trident_voice_t * voice)
 	voice->sample_ops = &sample_ops;
 }
 
-static void sample_start(trident_t * trident, snd_trident_voice_t * voice, snd_seq_position_t position)
+static void sample_start(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position)
 {
-	simple_instrument_t *simple;
-	snd_seq_kinstr_t *instr;
+	struct simple_instrument *simple;
+	struct snd_seq_kinstr *instr;
 	unsigned long flags;
 	unsigned int loop_start, loop_end, sample_start, sample_end, start_offset;
 	unsigned int value;
@@ -305,7 +305,7 @@ static void sample_start(trident_t * trident, snd_trident_voice_t * voice, snd_s
 	snd_seq_instr_free_use(trident->synth.ilist, instr);
 }
 
-static void sample_stop(trident_t * trident, snd_trident_voice_t * voice, snd_seq_stop_mode_t mode)
+static void sample_stop(struct snd_trident * trident, struct snd_trident_voice * voice, int mode)
 {
 	unsigned long flags;
 
@@ -329,7 +329,7 @@ static void sample_stop(trident_t * trident, snd_trident_voice_t * voice, snd_se
 	}
 }
 
-static void sample_freq(trident_t * trident, snd_trident_voice_t * voice, snd_seq_frequency_t freq)
+static void sample_freq(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_frequency_t freq)
 {
 	unsigned long flags;
 	freq >>= 4;
@@ -355,7 +355,7 @@ static void sample_freq(trident_t * trident, snd_trident_voice_t * voice, snd_se
 	spin_unlock_irqrestore(&trident->reg_lock, flags);
 }
 
-static void sample_volume(trident_t * trident, snd_trident_voice_t * voice, snd_seq_ev_volume_t * volume)
+static void sample_volume(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_volume * volume)
 {
 	unsigned long flags;
 	unsigned short value;
@@ -407,11 +407,11 @@ static void sample_volume(trident_t * trident, snd_trident_voice_t * voice, snd_
 	spin_unlock_irqrestore(&trident->reg_lock, flags);
 }
 
-static void sample_loop(trident_t * trident, snd_trident_voice_t * voice, snd_seq_ev_loop_t * loop)
+static void sample_loop(struct snd_trident * trident, struct snd_trident_voice * voice, struct snd_seq_ev_loop * loop)
 {
 	unsigned long flags;
-	simple_instrument_t *simple;
-	snd_seq_kinstr_t *instr;
+	struct simple_instrument *simple;
+	struct snd_seq_kinstr *instr;
 	unsigned int loop_start, loop_end;
 
 	instr = snd_seq_instr_find(trident->synth.ilist, &voice->instr, 0, 1);
@@ -446,11 +446,11 @@ static void sample_loop(trident_t * trident, snd_trident_voice_t * voice, snd_se
 	snd_seq_instr_free_use(trident->synth.ilist, instr);
 }
 
-static void sample_pos(trident_t * trident, snd_trident_voice_t * voice, snd_seq_position_t position)
+static void sample_pos(struct snd_trident * trident, struct snd_trident_voice * voice, snd_seq_position_t position)
 {
 	unsigned long flags;
-	simple_instrument_t *simple;
-	snd_seq_kinstr_t *instr;
+	struct simple_instrument *simple;
+	struct snd_seq_kinstr *instr;
 	unsigned int value;
 
 	instr = snd_seq_instr_find(trident->synth.ilist, &voice->instr, 0, 1);
@@ -496,7 +496,7 @@ static void sample_pos(trident_t * trident, snd_trident_voice_t * voice, snd_seq
 	snd_seq_instr_free_use(trident->synth.ilist, instr);
 }
 
-static void sample_private1(trident_t * trident, snd_trident_voice_t * voice, unsigned char *data)
+static void sample_private1(struct snd_trident * trident, struct snd_trident_voice * voice, unsigned char *data)
 {
 }
 
@@ -504,10 +504,11 @@ static void sample_private1(trident_t * trident, snd_trident_voice_t * voice, un
  * Memory management / sample loading
  */
 
-static int snd_trident_simple_put_sample(void *private_data, simple_instrument_t * instr,
+static int snd_trident_simple_put_sample(void *private_data,
+					 struct simple_instrument * instr,
 					 char __user *data, long len, int atomic)
 {
-	trident_t *trident = private_data;
+	struct snd_trident *trident = private_data;
 	int size = instr->size;
 	int shift = 0;
 
@@ -529,7 +530,7 @@ static int snd_trident_simple_put_sample(void *private_data, simple_instrument_t
 		return -EFAULT;
 
 	if (trident->tlb.entries) {
-		snd_util_memblk_t *memblk;
+		struct snd_util_memblk *memblk;
 		memblk = snd_trident_synth_alloc(trident, size); 
 		if (memblk == NULL)
 			return -ENOMEM;
@@ -557,10 +558,11 @@ static int snd_trident_simple_put_sample(void *private_data, simple_instrument_t
 	return 0;
 }
 
-static int snd_trident_simple_get_sample(void *private_data, simple_instrument_t * instr,
+static int snd_trident_simple_get_sample(void *private_data,
+					 struct simple_instrument * instr,
 					 char __user *data, long len, int atomic)
 {
-	//trident_t *trident = private_data;
+	//struct snd_trident *trident = private_data;
 	int size = instr->size;
 	int shift = 0;
 
@@ -578,10 +580,11 @@ static int snd_trident_simple_get_sample(void *private_data, simple_instrument_t
 	return -EBUSY;
 }
 
-static int snd_trident_simple_remove_sample(void *private_data, simple_instrument_t * instr,
+static int snd_trident_simple_remove_sample(void *private_data,
+					    struct simple_instrument * instr,
 					    int atomic)
 {
-	trident_t *trident = private_data;
+	struct snd_trident *trident = private_data;
 	int size = instr->size;
 
 	if (instr->format & SIMPLE_WAVE_16BIT)
@@ -590,7 +593,7 @@ static int snd_trident_simple_remove_sample(void *private_data, simple_instrumen
 		size <<= 1;
 
 	if (trident->tlb.entries) {
-		snd_util_memblk_t *memblk = (snd_util_memblk_t*)instr->address.ptr;
+		struct snd_util_memblk *memblk = (struct snd_util_memblk *)instr->address.ptr;
 		if (memblk)
 			snd_trident_synth_free(trident, memblk);
 		else
@@ -612,9 +615,9 @@ static int snd_trident_simple_remove_sample(void *private_data, simple_instrumen
 	return 0;
 }
 
-static void select_instrument(trident_t * trident, snd_trident_voice_t * v)
+static void select_instrument(struct snd_trident * trident, struct snd_trident_voice * v)
 {
-	snd_seq_kinstr_t *instr;
+	struct snd_seq_kinstr *instr;
 	instr = snd_seq_instr_find(trident->synth.ilist, &v->instr, 0, 1);
 	if (instr != NULL) {
 		if (instr->ops) {
@@ -629,7 +632,7 @@ static void select_instrument(trident_t * trident, snd_trident_voice_t * v)
 
  */
 
-static void event_sample(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_sample(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_stop)
 		v->sample_ops->sample_stop(p->trident, v, SAMPLE_STOP_IMMEDIATELY);
@@ -643,7 +646,7 @@ static void event_sample(snd_seq_event_t * ev, snd_trident_port_t * p, snd_tride
 	select_instrument(p->trident, v);
 }
 
-static void event_cluster(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_cluster(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_stop)
 		v->sample_ops->sample_stop(p->trident, v, SAMPLE_STOP_IMMEDIATELY);
@@ -651,49 +654,49 @@ static void event_cluster(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trid
 	select_instrument(p->trident, v);
 }
 
-static void event_start(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_start(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_start)
 		v->sample_ops->sample_start(p->trident, v, ev->data.sample.param.position);
 }
 
-static void event_stop(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_stop(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_stop)
 		v->sample_ops->sample_stop(p->trident, v, ev->data.sample.param.stop_mode);
 }
 
-static void event_freq(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_freq(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_freq)
 		v->sample_ops->sample_freq(p->trident, v, ev->data.sample.param.frequency);
 }
 
-static void event_volume(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_volume(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_volume)
 		v->sample_ops->sample_volume(p->trident, v, &ev->data.sample.param.volume);
 }
 
-static void event_loop(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_loop(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_loop)
 		v->sample_ops->sample_loop(p->trident, v, &ev->data.sample.param.loop);
 }
 
-static void event_position(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_position(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_pos)
 		v->sample_ops->sample_pos(p->trident, v, ev->data.sample.param.position);
 }
 
-static void event_private1(snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v)
+static void event_private1(struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v)
 {
 	if (v->sample_ops && v->sample_ops->sample_private1)
 		v->sample_ops->sample_private1(p->trident, v, (unsigned char *) &ev->data.sample.param.raw8);
 }
 
-typedef void (trident_sample_event_handler_t) (snd_seq_event_t * ev, snd_trident_port_t * p, snd_trident_voice_t * v);
+typedef void (trident_sample_event_handler_t) (struct snd_seq_event * ev, struct snd_trident_port * p, struct snd_trident_voice * v);
 
 static trident_sample_event_handler_t *trident_sample_event_handlers[9] =
 {
@@ -708,11 +711,11 @@ static trident_sample_event_handler_t *trident_sample_event_handlers[9] =
 	event_private1
 };
 
-static void snd_trident_sample_event(snd_seq_event_t * ev, snd_trident_port_t * p)
+static void snd_trident_sample_event(struct snd_seq_event * ev, struct snd_trident_port * p)
 {
 	int idx, voice;
-	trident_t *trident = p->trident;
-	snd_trident_voice_t *v;
+	struct snd_trident *trident = p->trident;
+	struct snd_trident_voice *v;
 	unsigned long flags;
 
 	idx = ev->type - SNDRV_SEQ_EVENT_SAMPLE;
@@ -735,10 +738,10 @@ static void snd_trident_sample_event(snd_seq_event_t * ev, snd_trident_port_t *
 
  */
 
-static void snd_trident_synth_free_voices(trident_t * trident, int client, int port)
+static void snd_trident_synth_free_voices(struct snd_trident * trident, int client, int port)
 {
 	int idx;
-	snd_trident_voice_t *voice;
+	struct snd_trident_voice *voice;
 
 	for (idx = 0; idx < 32; idx++) {
 		voice = &trident->synth.voices[idx];
@@ -747,11 +750,11 @@ static void snd_trident_synth_free_voices(trident_t * trident, int client, int p
 	}
 }
 
-static int snd_trident_synth_use(void *private_data, snd_seq_port_subscribe_t * info)
+static int snd_trident_synth_use(void *private_data, struct snd_seq_port_subscribe * info)
 {
-	snd_trident_port_t *port = (snd_trident_port_t *) private_data;
-	trident_t *trident = port->trident;
-	snd_trident_voice_t *voice;
+	struct snd_trident_port *port = private_data;
+	struct snd_trident *trident = port->trident;
+	struct snd_trident_voice *voice;
 	unsigned int idx;
 	unsigned long flags;
 
@@ -786,10 +789,10 @@ static int snd_trident_synth_use(void *private_data, snd_seq_port_subscribe_t *
 	return 0;
 }
 
-static int snd_trident_synth_unuse(void *private_data, snd_seq_port_subscribe_t * info)
+static int snd_trident_synth_unuse(void *private_data, struct snd_seq_port_subscribe * info)
 {
-	snd_trident_port_t *port = (snd_trident_port_t *) private_data;
-	trident_t *trident = port->trident;
+	struct snd_trident_port *port = private_data;
+	struct snd_trident *trident = port->trident;
 	unsigned long flags;
 
 	spin_lock_irqsave(&trident->reg_lock, flags);
@@ -802,18 +805,18 @@ static int snd_trident_synth_unuse(void *private_data, snd_seq_port_subscribe_t
 
  */
 
-static void snd_trident_synth_free_private_instruments(snd_trident_port_t * p, int client)
+static void snd_trident_synth_free_private_instruments(struct snd_trident_port * p, int client)
 {
-	snd_seq_instr_header_t ifree;
+	struct snd_seq_instr_header ifree;
 
 	memset(&ifree, 0, sizeof(ifree));
 	ifree.cmd = SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE;
 	snd_seq_instr_list_free_cond(p->trident->synth.ilist, &ifree, client, 0);
 }
 
-static int snd_trident_synth_event_input(snd_seq_event_t * ev, int direct, void *private_data, int atomic, int hop)
+static int snd_trident_synth_event_input(struct snd_seq_event * ev, int direct, void *private_data, int atomic, int hop)
 {
-	snd_trident_port_t *p = (snd_trident_port_t *) private_data;
+	struct snd_trident_port *p = (struct snd_trident_port *) private_data;
 
 	if (p == NULL)
 		return -EINVAL;
@@ -841,12 +844,12 @@ static int snd_trident_synth_event_input(snd_seq_event_t * ev, int direct, void
 }
 
 static void snd_trident_synth_instr_notify(void *private_data,
-					   snd_seq_kinstr_t * instr,
+					   struct snd_seq_kinstr * instr,
 					   int what)
 {
 	int idx;
-	trident_t *trident = private_data;
-	snd_trident_voice_t *pvoice;
+	struct snd_trident *trident = private_data;
+	struct snd_trident_voice *pvoice;
 	unsigned long flags;
 
 	spin_lock_irqsave(&trident->event_lock, flags);
@@ -870,16 +873,16 @@ static void snd_trident_synth_instr_notify(void *private_data,
 
 static void snd_trident_synth_free_port(void *private_data)
 {
-	snd_trident_port_t *p = (snd_trident_port_t *) private_data;
+	struct snd_trident_port *p = (struct snd_trident_port *) private_data;
 
 	if (p)
 		snd_midi_channel_free_set(p->chset);
 }
 
-static int snd_trident_synth_create_port(trident_t * trident, int idx)
+static int snd_trident_synth_create_port(struct snd_trident * trident, int idx)
 {
-	snd_trident_port_t *p;
-	snd_seq_port_callback_t callbacks;
+	struct snd_trident_port *p;
+	struct snd_seq_port_callback callbacks;
 	char name[32];
 	char *str;
 	int result;
@@ -927,17 +930,17 @@ static int snd_trident_synth_create_port(trident_t * trident, int idx)
 
  */
 
-static int snd_trident_synth_new_device(snd_seq_device_t *dev)
+static int snd_trident_synth_new_device(struct snd_seq_device *dev)
 {
-	trident_t *trident;
+	struct snd_trident *trident;
 	int client, i;
-	snd_seq_client_callback_t callbacks;
-	snd_seq_client_info_t cinfo;
-	snd_seq_port_subscribe_t sub;
-	snd_simple_ops_t *simpleops;
+	struct snd_seq_client_callback callbacks;
+	struct snd_seq_client_info cinfo;
+	struct snd_seq_port_subscribe sub;
+	struct snd_simple_ops *simpleops;
 	char *str;
 
-	trident = *(trident_t **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
+	trident = *(struct snd_trident **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
 	if (trident == NULL)
 		return -EINVAL;
 
@@ -993,11 +996,11 @@ static int snd_trident_synth_new_device(snd_seq_device_t *dev)
 	return 0;
 }
 
-static int snd_trident_synth_delete_device(snd_seq_device_t *dev)
+static int snd_trident_synth_delete_device(struct snd_seq_device *dev)
 {
-	trident_t *trident;
+	struct snd_trident *trident;
 
-	trident = *(trident_t **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
+	trident = *(struct snd_trident **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
 	if (trident == NULL)
 		return -EINVAL;
 
@@ -1012,14 +1015,14 @@ static int snd_trident_synth_delete_device(snd_seq_device_t *dev)
 
 static int __init alsa_trident_synth_init(void)
 {
-	static snd_seq_dev_ops_t ops =
+	static struct snd_seq_dev_ops ops =
 	{
 		snd_trident_synth_new_device,
 		snd_trident_synth_delete_device
 	};
 
 	return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_TRIDENT, &ops,
-					      sizeof(trident_t*));
+					      sizeof(struct snd_trident *));
 }
 
 static void __exit alsa_trident_synth_exit(void)