diff --git a/sound/drivers/opl3/opl3_drums.c b/sound/drivers/opl3/opl3_drums.c
index f263326..7369438 100644
--- a/sound/drivers/opl3/opl3_drums.c
+++ b/sound/drivers/opl3/opl3_drums.c
@@ -45,7 +45,7 @@
 	OPL3_CYMBAL_ON,    OPL3_CYMBAL_ON			/* 80 - 81 */
 };
 
-typedef struct snd_opl3_drum_voice {
+struct snd_opl3_drum_voice {
 	int voice;
 	int op;
 	unsigned char am_vib;
@@ -54,33 +54,34 @@
 	unsigned char sustain_release;
 	unsigned char feedback_connection;
 	unsigned char wave_select;
-} snd_opl3_drum_voice_t;
+};
 
-typedef struct snd_opl3_drum_note {
+struct snd_opl3_drum_note {
 	int voice;
 	unsigned char fnum;
 	unsigned char octave_f;
 	unsigned char feedback_connection;
-} snd_opl3_drum_note_t;
+};
 
-static snd_opl3_drum_voice_t bass_op0 = {6, 0, 0x00, 0x32, 0xf8, 0x66, 0x30, 0x00};
-static snd_opl3_drum_voice_t bass_op1 = {6, 1, 0x00, 0x03, 0xf6, 0x57, 0x30, 0x00};
-static snd_opl3_drum_note_t bass_note = {6, 0x90, 0x09};
+static struct snd_opl3_drum_voice bass_op0 = {6, 0, 0x00, 0x32, 0xf8, 0x66, 0x30, 0x00};
+static struct snd_opl3_drum_voice bass_op1 = {6, 1, 0x00, 0x03, 0xf6, 0x57, 0x30, 0x00};
+static struct snd_opl3_drum_note bass_note = {6, 0x90, 0x09};
 
-static snd_opl3_drum_voice_t hihat = {7, 0, 0x00, 0x03, 0xf0, 0x06, 0x20, 0x00};
+static struct snd_opl3_drum_voice hihat = {7, 0, 0x00, 0x03, 0xf0, 0x06, 0x20, 0x00};
 
-static snd_opl3_drum_voice_t snare = {7, 1, 0x00, 0x03, 0xf0, 0x07, 0x20, 0x02};
-static snd_opl3_drum_note_t snare_note = {7, 0xf4, 0x0d};
+static struct snd_opl3_drum_voice snare = {7, 1, 0x00, 0x03, 0xf0, 0x07, 0x20, 0x02};
+static struct snd_opl3_drum_note snare_note = {7, 0xf4, 0x0d};
 
-static snd_opl3_drum_voice_t tomtom = {8, 0, 0x02, 0x03, 0xf0, 0x06, 0x10, 0x00};
-static snd_opl3_drum_note_t tomtom_note = {8, 0xf4, 0x09};
+static struct snd_opl3_drum_voice tomtom = {8, 0, 0x02, 0x03, 0xf0, 0x06, 0x10, 0x00};
+static struct snd_opl3_drum_note tomtom_note = {8, 0xf4, 0x09};
 
-static snd_opl3_drum_voice_t cymbal = {8, 1, 0x04, 0x03, 0xf0, 0x06, 0x10, 0x00};
+static struct snd_opl3_drum_voice cymbal = {8, 1, 0x04, 0x03, 0xf0, 0x06, 0x10, 0x00};
 
 /*
  * set drum voice characteristics
  */
-static void snd_opl3_drum_voice_set(opl3_t *opl3, snd_opl3_drum_voice_t *data)
+static void snd_opl3_drum_voice_set(struct snd_opl3 *opl3,
+				    struct snd_opl3_drum_voice *data)
 {
 	unsigned char op_offset = snd_opl3_regmap[data->voice][data->op];
 	unsigned char voice_offset = data->voice;
@@ -114,7 +115,8 @@
 /*
  * Set drum voice pitch
  */
-static void snd_opl3_drum_note_set(opl3_t *opl3, snd_opl3_drum_note_t *data)
+static void snd_opl3_drum_note_set(struct snd_opl3 *opl3,
+				   struct snd_opl3_drum_note *data)
 {
 	unsigned char voice_offset = data->voice;
 	unsigned short opl3_reg;
@@ -131,8 +133,9 @@
 /*
  * Set drum voice volume and position
  */
-static void snd_opl3_drum_vol_set(opl3_t *opl3, snd_opl3_drum_voice_t *data,
-				  int vel, snd_midi_channel_t *chan)
+static void snd_opl3_drum_vol_set(struct snd_opl3 *opl3,
+				  struct snd_opl3_drum_voice *data,
+				  int vel, struct snd_midi_channel *chan)
 {
 	unsigned char op_offset = snd_opl3_regmap[data->voice][data->op];
 	unsigned char voice_offset = data->voice;
@@ -159,7 +162,7 @@
 /*
  * Loads drum voices at init time
  */
-void snd_opl3_load_drums(opl3_t *opl3)
+void snd_opl3_load_drums(struct snd_opl3 *opl3)
 {
 	snd_opl3_drum_voice_set(opl3, &bass_op0);
 	snd_opl3_drum_voice_set(opl3, &bass_op1);
@@ -179,11 +182,11 @@
 /*
  * Switch drum voice on or off
  */
-void snd_opl3_drum_switch(opl3_t *opl3, int note, int vel, int on_off,
-			  snd_midi_channel_t *chan)
+void snd_opl3_drum_switch(struct snd_opl3 *opl3, int note, int vel, int on_off,
+			  struct snd_midi_channel *chan)
 {
 	unsigned char drum_mask;
-	snd_opl3_drum_voice_t *drum_voice;
+	struct snd_opl3_drum_voice *drum_voice;
 
 	if (!(opl3->drum_reg & OPL3_PERCUSSION_ENABLE))
 		return;
diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
index 0624650..cbd37e9 100644
--- a/sound/drivers/opl3/opl3_lib.c
+++ b/sound/drivers/opl3/opl3_lib.c
@@ -37,7 +37,7 @@
 
 extern char snd_opl3_regmap[MAX_OPL2_VOICES][4];
 
-static void snd_opl2_command(opl3_t * opl3, unsigned short cmd, unsigned char val)
+static void snd_opl2_command(struct snd_opl3 * opl3, unsigned short cmd, unsigned char val)
 {
 	unsigned long flags;
 	unsigned long port;
@@ -60,7 +60,7 @@
 	spin_unlock_irqrestore(&opl3->reg_lock, flags);
 }
 
-static void snd_opl3_command(opl3_t * opl3, unsigned short cmd, unsigned char val)
+static void snd_opl3_command(struct snd_opl3 * opl3, unsigned short cmd, unsigned char val)
 {
 	unsigned long flags;
 	unsigned long port;
@@ -85,7 +85,7 @@
 	spin_unlock_irqrestore(&opl3->reg_lock, flags);
 }
 
-static int snd_opl3_detect(opl3_t * opl3)
+static int snd_opl3_detect(struct snd_opl3 * opl3)
 {
 	/*
 	 * This function returns 1 if the FM chip is present at the given I/O port
@@ -153,12 +153,12 @@
  *  Timer 1 - 80us
  */
 
-static int snd_opl3_timer1_start(snd_timer_t * timer)
+static int snd_opl3_timer1_start(struct snd_timer * timer)
 {
 	unsigned long flags;
 	unsigned char tmp;
 	unsigned int ticks;
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	opl3 = snd_timer_chip(timer);
 	spin_lock_irqsave(&opl3->timer_lock, flags);
@@ -171,11 +171,11 @@
 	return 0;
 }
 
-static int snd_opl3_timer1_stop(snd_timer_t * timer)
+static int snd_opl3_timer1_stop(struct snd_timer * timer)
 {
 	unsigned long flags;
 	unsigned char tmp;
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	opl3 = snd_timer_chip(timer);
 	spin_lock_irqsave(&opl3->timer_lock, flags);
@@ -190,12 +190,12 @@
  *  Timer 2 - 320us
  */
 
-static int snd_opl3_timer2_start(snd_timer_t * timer)
+static int snd_opl3_timer2_start(struct snd_timer * timer)
 {
 	unsigned long flags;
 	unsigned char tmp;
 	unsigned int ticks;
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	opl3 = snd_timer_chip(timer);
 	spin_lock_irqsave(&opl3->timer_lock, flags);
@@ -208,11 +208,11 @@
 	return 0;
 }
 
-static int snd_opl3_timer2_stop(snd_timer_t * timer)
+static int snd_opl3_timer2_stop(struct snd_timer * timer)
 {
 	unsigned long flags;
 	unsigned char tmp;
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	opl3 = snd_timer_chip(timer);
 	spin_lock_irqsave(&opl3->timer_lock, flags);
@@ -227,7 +227,7 @@
 
  */
 
-static struct _snd_timer_hardware snd_opl3_timer1 =
+static struct snd_timer_hardware snd_opl3_timer1 =
 {
 	.flags =	SNDRV_TIMER_HW_STOP,
 	.resolution =	80000,
@@ -236,7 +236,7 @@
 	.stop =		snd_opl3_timer1_stop,
 };
 
-static struct _snd_timer_hardware snd_opl3_timer2 =
+static struct snd_timer_hardware snd_opl3_timer2 =
 {
 	.flags =	SNDRV_TIMER_HW_STOP,
 	.resolution =	320000,
@@ -245,10 +245,10 @@
 	.stop =		snd_opl3_timer2_stop,
 };
 
-static int snd_opl3_timer1_init(opl3_t * opl3, int timer_no)
+static int snd_opl3_timer1_init(struct snd_opl3 * opl3, int timer_no)
 {
-	snd_timer_t *timer = NULL;
-	snd_timer_id_t tid;
+	struct snd_timer *timer = NULL;
+	struct snd_timer_id tid;
 	int err;
 
 	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
@@ -265,10 +265,10 @@
 	return err;
 }
 
-static int snd_opl3_timer2_init(opl3_t * opl3, int timer_no)
+static int snd_opl3_timer2_init(struct snd_opl3 * opl3, int timer_no)
 {
-	snd_timer_t *timer = NULL;
-	snd_timer_id_t tid;
+	struct snd_timer *timer = NULL;
+	struct snd_timer_id tid;
 	int err;
 
 	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
@@ -289,11 +289,11 @@
 
  */
 
-void snd_opl3_interrupt(snd_hwdep_t * hw)
+void snd_opl3_interrupt(struct snd_hwdep * hw)
 {
 	unsigned char status;
-	opl3_t *opl3;
-	snd_timer_t *timer;
+	struct snd_opl3 *opl3;
+	struct snd_timer *timer;
 
 	if (hw == NULL)
 		return;
@@ -320,7 +320,7 @@
 
  */
 
-static int snd_opl3_free(opl3_t *opl3)
+static int snd_opl3_free(struct snd_opl3 *opl3)
 {
 	snd_assert(opl3 != NULL, return -ENXIO);
 	if (opl3->private_free)
@@ -331,20 +331,20 @@
 	return 0;
 }
 
-static int snd_opl3_dev_free(snd_device_t *device)
+static int snd_opl3_dev_free(struct snd_device *device)
 {
-	opl3_t *opl3 = device->device_data;
+	struct snd_opl3 *opl3 = device->device_data;
 	return snd_opl3_free(opl3);
 }
 
-int snd_opl3_new(snd_card_t *card,
+int snd_opl3_new(struct snd_card *card,
 		 unsigned short hardware,
-		 opl3_t **ropl3)
+		 struct snd_opl3 **ropl3)
 {
-	static snd_device_ops_t ops = {
+	static struct snd_device_ops ops = {
 		.dev_free = snd_opl3_dev_free,
 	};
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 	int err;
 
 	*ropl3 = NULL;
@@ -367,7 +367,7 @@
 	return 0;
 }
 
-int snd_opl3_init(opl3_t *opl3)
+int snd_opl3_init(struct snd_opl3 *opl3)
 {
 	if (! opl3->command) {
 		printk(KERN_ERR "snd_opl3_init: command not defined!\n");
@@ -391,14 +391,14 @@
 	return 0;
 }
 
-int snd_opl3_create(snd_card_t * card,
+int snd_opl3_create(struct snd_card *card,
 		    unsigned long l_port,
 		    unsigned long r_port,
 		    unsigned short hardware,
 		    int integrated,
-		    opl3_t ** ropl3)
+		    struct snd_opl3 ** ropl3)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 	int err;
 
 	*ropl3 = NULL;
@@ -449,7 +449,7 @@
 	return 0;
 }
 
-int snd_opl3_timer_new(opl3_t * opl3, int timer1_dev, int timer2_dev)
+int snd_opl3_timer_new(struct snd_opl3 * opl3, int timer1_dev, int timer2_dev)
 {
 	int err;
 
@@ -466,12 +466,12 @@
 	return 0;
 }
 
-int snd_opl3_hwdep_new(opl3_t * opl3,
+int snd_opl3_hwdep_new(struct snd_opl3 * opl3,
 		       int device, int seq_device,
-		       snd_hwdep_t ** rhwdep)
+		       struct snd_hwdep ** rhwdep)
 {
-	snd_hwdep_t *hw;
-	snd_card_t *card = opl3->card;
+	struct snd_hwdep *hw;
+	struct snd_card *card = opl3->card;
 	int err;
 
 	if (rhwdep)
@@ -514,9 +514,9 @@
 	opl3->seq_dev_num = seq_device;
 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
 	if (snd_seq_device_new(card, seq_device, SNDRV_SEQ_DEV_ID_OPL3,
-			       sizeof(opl3_t*), &opl3->seq_dev) >= 0) {
+			       sizeof(struct snd_opl3 *), &opl3->seq_dev) >= 0) {
 		strcpy(opl3->seq_dev->name, hw->name);
-		*(opl3_t**)SNDRV_SEQ_DEVICE_ARGPTR(opl3->seq_dev) = opl3;
+		*(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(opl3->seq_dev) = opl3;
 	}
 #endif
 	if (rhwdep)
diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c
index 93d6740..48c480e 100644
--- a/sound/drivers/opl3/opl3_midi.c
+++ b/sound/drivers/opl3/opl3_midi.c
@@ -60,7 +60,7 @@
 };
 
 void snd_opl3_calc_volume(unsigned char *volbyte, int vel,
-			  snd_midi_channel_t *chan)
+			  struct snd_midi_channel *chan)
 {
 	int oldvol, newvol, n;
 	int volume;
@@ -93,7 +93,7 @@
 };
 
 static void snd_opl3_calc_pitch(unsigned char *fnum, unsigned char *blocknum,
-				int note, snd_midi_channel_t *chan)
+				int note, struct snd_midi_channel *chan)
 {
 	int block = ((note / 12) & 0x07) - 1;
 	int idx = (note % 12) + 2;
@@ -121,7 +121,7 @@
 
 
 #ifdef DEBUG_ALLOC
-static void debug_alloc(opl3_t *opl3, char *s, int voice) {
+static void debug_alloc(struct snd_opl3 *opl3, char *s, int voice) {
 	int i;
 	char *str = "x.24";
 
@@ -135,12 +135,12 @@
 /*
  * Get a FM voice (channel) to play a note on.
  */
-static int opl3_get_voice(opl3_t *opl3, int instr_4op,
-			  snd_midi_channel_t *chan) {
+static int opl3_get_voice(struct snd_opl3 *opl3, int instr_4op,
+			  struct snd_midi_channel *chan) {
 	int chan_4op_1;		/* first voice for 4op instrument */
 	int chan_4op_2;		/* second voice for 4op instrument */
 
-	snd_opl3_voice_t *vp, *vp2;
+	struct snd_opl3_voice *vp, *vp2;
 	unsigned int voice_time;
 	int i;
 
@@ -237,13 +237,13 @@
 void snd_opl3_timer_func(unsigned long data)
 {
 
-	opl3_t *opl3 = (opl3_t *)data;
+	struct snd_opl3 *opl3 = (struct snd_opl3 *)data;
 	int again = 0;
 	int i;
 
 	spin_lock(&opl3->sys_timer_lock);
 	for (i = 0; i < opl3->max_voices; i++) {
-		snd_opl3_voice_t *vp = &opl3->voices[i];
+		struct snd_opl3_voice *vp = &opl3->voices[i];
 		if (vp->state > 0 && vp->note_off_check) {
 			if (vp->note_off == jiffies)
 				snd_opl3_note_off(opl3, vp->note, 0, vp->chan);
@@ -263,7 +263,7 @@
 /*
  * Start system timer
  */
-static void snd_opl3_start_timer(opl3_t *opl3)
+static void snd_opl3_start_timer(struct snd_opl3 *opl3)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&opl3->sys_timer_lock, flags);
@@ -285,15 +285,15 @@
 /*
  * Start a note.
  */
-void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan)
+void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan)
 {
-	opl3_t *opl3;
-	snd_seq_instr_t wanted;
-	snd_seq_kinstr_t *kinstr;
+	struct snd_opl3 *opl3;
+	struct snd_seq_instr wanted;
+	struct snd_seq_kinstr *kinstr;
 	int instr_4op;
 
 	int voice;
-	snd_opl3_voice_t *vp, *vp2;
+	struct snd_opl3_voice *vp, *vp2;
 	unsigned short connect_mask;
 	unsigned char connection;
 	unsigned char vol_op[4];
@@ -310,7 +310,7 @@
 	unsigned char fnum, blocknum;
 	int i;
 
-	fm_instrument_t *fm;
+	struct fm_instrument *fm;
 	unsigned long flags;
 
 	opl3 = p;
@@ -615,13 +615,13 @@
 	spin_unlock_irqrestore(&opl3->voice_lock, flags);
 }
 
-static void snd_opl3_kill_voice(opl3_t *opl3, int voice)
+static void snd_opl3_kill_voice(struct snd_opl3 *opl3, int voice)
 {
 	unsigned short reg_side;
 	unsigned char voice_offset;
 	unsigned short opl3_reg;
 
-	snd_opl3_voice_t *vp, *vp2;
+	struct snd_opl3_voice *vp, *vp2;
 
 	snd_assert(voice < MAX_OPL3_VOICES, return);
 
@@ -663,12 +663,12 @@
 /*
  * Release a note in response to a midi note off.
  */
-void snd_opl3_note_off(void *p, int note, int vel, snd_midi_channel_t *chan)
+void snd_opl3_note_off(void *p, int note, int vel, struct snd_midi_channel *chan)
 {
-  	opl3_t *opl3;
+  	struct snd_opl3 *opl3;
 
 	int voice;
-	snd_opl3_voice_t *vp;
+	struct snd_opl3_voice *vp;
 
 	unsigned long flags;
 
@@ -708,9 +708,9 @@
 /*
  * key pressure change
  */
-void snd_opl3_key_press(void *p, int note, int vel, snd_midi_channel_t *chan)
+void snd_opl3_key_press(void *p, int note, int vel, struct snd_midi_channel *chan)
 {
-  	opl3_t *opl3;
+  	struct snd_opl3 *opl3;
 
 	opl3 = p;
 #ifdef DEBUG_MIDI
@@ -722,9 +722,9 @@
 /*
  * terminate note
  */
-void snd_opl3_terminate_note(void *p, int note, snd_midi_channel_t *chan)
+void snd_opl3_terminate_note(void *p, int note, struct snd_midi_channel *chan)
 {
-  	opl3_t *opl3;
+  	struct snd_opl3 *opl3;
 
 	opl3 = p;
 #ifdef DEBUG_MIDI
@@ -733,7 +733,7 @@
 #endif
 }
 
-static void snd_opl3_update_pitch(opl3_t *opl3, int voice)
+static void snd_opl3_update_pitch(struct snd_opl3 *opl3, int voice)
 {
 	unsigned short reg_side;
 	unsigned char voice_offset;
@@ -741,7 +741,7 @@
 
 	unsigned char fnum, blocknum;
 
-	snd_opl3_voice_t *vp;
+	struct snd_opl3_voice *vp;
 
 	snd_assert(voice < MAX_OPL3_VOICES, return);
 
@@ -780,10 +780,10 @@
 /*
  * Update voice pitch controller
  */
-static void snd_opl3_pitch_ctrl(opl3_t *opl3, snd_midi_channel_t *chan)
+static void snd_opl3_pitch_ctrl(struct snd_opl3 *opl3, struct snd_midi_channel *chan)
 {
 	int voice;
-	snd_opl3_voice_t *vp;
+	struct snd_opl3_voice *vp;
 
 	unsigned long flags;
 
@@ -810,9 +810,9 @@
  * Deal with a controler type event.  This includes all types of
  * control events, not just the midi controllers
  */
-void snd_opl3_control(void *p, int type, snd_midi_channel_t *chan)
+void snd_opl3_control(void *p, int type, struct snd_midi_channel *chan)
 {
-  	opl3_t *opl3;
+  	struct snd_opl3 *opl3;
 
 	opl3 = p;
 #ifdef DEBUG_MIDI
@@ -846,10 +846,10 @@
 /*
  * NRPN events
  */
-void snd_opl3_nrpn(void *p, snd_midi_channel_t *chan,
-		   snd_midi_channel_set_t *chset)
+void snd_opl3_nrpn(void *p, struct snd_midi_channel *chan,
+		   struct snd_midi_channel_set *chset)
 {
-  	opl3_t *opl3;
+  	struct snd_opl3 *opl3;
 
 	opl3 = p;
 #ifdef DEBUG_MIDI
@@ -862,9 +862,9 @@
  * receive sysex
  */
 void snd_opl3_sysex(void *p, unsigned char *buf, int len,
-		    int parsed, snd_midi_channel_set_t *chset)
+		    int parsed, struct snd_midi_channel_set *chset)
 {
-  	opl3_t *opl3;
+  	struct snd_opl3 *opl3;
 
 	opl3 = p;
 #ifdef DEBUG_MIDI
diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c
index 21a2b40..31f1f2e 100644
--- a/sound/drivers/opl3/opl3_oss.c
+++ b/sound/drivers/opl3/opl3_oss.c
@@ -21,11 +21,11 @@
 #include "opl3_voice.h"
 #include <linux/slab.h>
 
-static int snd_opl3_open_seq_oss(snd_seq_oss_arg_t *arg, void *closure);
-static int snd_opl3_close_seq_oss(snd_seq_oss_arg_t *arg);
-static int snd_opl3_ioctl_seq_oss(snd_seq_oss_arg_t *arg, unsigned int cmd, unsigned long ioarg);
-static int snd_opl3_load_patch_seq_oss(snd_seq_oss_arg_t *arg, int format, const char __user *buf, int offs, int count);
-static int snd_opl3_reset_seq_oss(snd_seq_oss_arg_t *arg);
+static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure);
+static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg);
+static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned long ioarg);
+static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, const char __user *buf, int offs, int count);
+static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg);
 
 /* */
 
@@ -43,9 +43,9 @@
 
 /* operators */
 
-extern snd_midi_op_t opl3_ops;
+extern struct snd_midi_op opl3_ops;
 
-static snd_seq_oss_callback_t oss_callback = {
+static struct snd_seq_oss_callback oss_callback = {
 	.owner = 	THIS_MODULE,
 	.open =		snd_opl3_open_seq_oss,
 	.close =	snd_opl3_close_seq_oss,
@@ -54,10 +54,10 @@
 	.reset =	snd_opl3_reset_seq_oss,
 };
 
-static int snd_opl3_oss_event_input(snd_seq_event_t *ev, int direct,
+static int snd_opl3_oss_event_input(struct snd_seq_event *ev, int direct,
 				    void *private_data, int atomic, int hop)
 {
-	opl3_t *opl3 = private_data;
+	struct snd_opl3 *opl3 = private_data;
 
 	if (ev->type != SNDRV_SEQ_EVENT_OSS)
 		snd_midi_process_event(&opl3_ops, ev, opl3->oss_chset);
@@ -68,14 +68,14 @@
 
 static void snd_opl3_oss_free_port(void *private_data)
 {
-	opl3_t *opl3 = private_data;
+	struct snd_opl3 *opl3 = private_data;
 
 	snd_midi_channel_free_set(opl3->oss_chset);
 }
 
-static int snd_opl3_oss_create_port(opl3_t * opl3)
+static int snd_opl3_oss_create_port(struct snd_opl3 * opl3)
 {
-	snd_seq_port_callback_t callbacks;
+	struct snd_seq_port_callback callbacks;
 	char name[32];
 	int voices, opl_ver;
 
@@ -113,13 +113,13 @@
 /* ------------------------------ */
 
 /* register OSS synth */
-void snd_opl3_init_seq_oss(opl3_t *opl3, char *name)
+void snd_opl3_init_seq_oss(struct snd_opl3 *opl3, char *name)
 {
-	snd_seq_oss_reg_t *arg;
-	snd_seq_device_t *dev;
+	struct snd_seq_oss_reg *arg;
+	struct snd_seq_device *dev;
 
 	if (snd_seq_device_new(opl3->card, 0, SNDRV_SEQ_DEV_ID_OSS,
-			       sizeof(snd_seq_oss_reg_t), &dev) < 0)
+			       sizeof(struct snd_seq_oss_reg), &dev) < 0)
 		return;
 
 	opl3->oss_seq_dev = dev;
@@ -143,7 +143,7 @@
 }
 
 /* unregister */
-void snd_opl3_free_seq_oss(opl3_t *opl3)
+void snd_opl3_free_seq_oss(struct snd_opl3 *opl3)
 {
 	if (opl3->oss_seq_dev) {
 		snd_device_free(opl3->card, opl3->oss_seq_dev);
@@ -154,9 +154,9 @@
 /* ------------------------------ */
 
 /* open OSS sequencer */
-static int snd_opl3_open_seq_oss(snd_seq_oss_arg_t *arg, void *closure)
+static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure)
 {
-	opl3_t *opl3 = closure;
+	struct snd_opl3 *opl3 = closure;
 	int err;
 
 	snd_assert(arg != NULL, return -ENXIO);
@@ -177,9 +177,9 @@
 }
 
 /* close OSS sequencer */
-static int snd_opl3_close_seq_oss(snd_seq_oss_arg_t *arg)
+static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	snd_assert(arg != NULL, return -ENXIO);
 	opl3 = arg->private_data;
@@ -206,10 +206,10 @@
 /* from sound_config.h */
 #define SBFM_MAXINSTR	256
 
-static int snd_opl3_load_patch_seq_oss(snd_seq_oss_arg_t *arg, int format,
+static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
 				       const char __user *buf, int offs, int count)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 	int err = -EINVAL;
 
 	snd_assert(arg != NULL, return -ENXIO);
@@ -219,11 +219,11 @@
 		struct sbi_instrument sbi;
 
 		size_t size;
-		snd_seq_instr_header_t *put;
-		snd_seq_instr_data_t *data;
-		fm_xinstrument_t *xinstr;
+		struct snd_seq_instr_header *put;
+		struct snd_seq_instr_data *data;
+		struct fm_xinstrument *xinstr;
 
-		snd_seq_event_t ev;
+		struct snd_seq_event ev;
 		int i;
 
 		mm_segment_t fs;
@@ -240,7 +240,7 @@
 			return -EINVAL;
 		}
 
-		size = sizeof(*put) + sizeof(fm_xinstrument_t);
+		size = sizeof(*put) + sizeof(struct fm_xinstrument);
 		put = kzalloc(size, GFP_KERNEL);
 		if (put == NULL)
 			return -ENOMEM;
@@ -249,7 +249,7 @@
 		data->type = SNDRV_SEQ_INSTR_ATYPE_DATA;
 		strcpy(data->data.format, SNDRV_SEQ_INSTR_ID_OPL2_3);
 		/* build data section */
-		xinstr = (fm_xinstrument_t *)(data + 1);
+		xinstr = (struct fm_xinstrument *)(data + 1);
 		xinstr->stype = FM_STRU_INSTR;
         
 		for (i = 0; i < 2; i++) {
@@ -296,7 +296,7 @@
 		err = snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
 				    opl3->seq_client, 0, 0);
 		if (err == -EBUSY) {
-			snd_seq_instr_header_t remove;
+			struct snd_seq_instr_header remove;
 
 			memset (&remove, 0, sizeof(remove));
 			remove.cmd = SNDRV_SEQ_INSTR_FREE_CMD_SINGLE;
@@ -319,10 +319,10 @@
 }
 
 /* ioctl */
-static int snd_opl3_ioctl_seq_oss(snd_seq_oss_arg_t *arg, unsigned int cmd,
+static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd,
 				  unsigned long ioarg)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	snd_assert(arg != NULL, return -ENXIO);
 	opl3 = arg->private_data;
@@ -345,9 +345,9 @@
 }
 
 /* reset device */
-static int snd_opl3_reset_seq_oss(snd_seq_oss_arg_t *arg)
+static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
 	snd_assert(arg != NULL, return -ENXIO);
 	opl3 = arg->private_data;
diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c
index 136964b..1886b29 100644
--- a/sound/drivers/opl3/opl3_seq.c
+++ b/sound/drivers/opl3/opl3_seq.c
@@ -35,7 +35,7 @@
 module_param(use_internal_drums, bool, 0444);
 MODULE_PARM_DESC(use_internal_drums, "Enable internal OPL2/3 drums.");
 
-int snd_opl3_synth_use_inc(opl3_t * opl3)
+int snd_opl3_synth_use_inc(struct snd_opl3 * opl3)
 {
 	if (!try_module_get(opl3->card->module))
 		return -EFAULT;
@@ -43,12 +43,12 @@
 
 }
 
-void snd_opl3_synth_use_dec(opl3_t * opl3)
+void snd_opl3_synth_use_dec(struct snd_opl3 * opl3)
 {
 	module_put(opl3->card->module);
 }
 
-int snd_opl3_synth_setup(opl3_t * opl3)
+int snd_opl3_synth_setup(struct snd_opl3 * opl3)
 {
 	int idx;
 
@@ -78,7 +78,7 @@
 	return 0;
 }
 
-void snd_opl3_synth_cleanup(opl3_t * opl3)
+void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)
 {
 	unsigned long flags;
 
@@ -96,9 +96,9 @@
 	up(&opl3->access_mutex);
 }
 
-static int snd_opl3_synth_use(void *private_data, snd_seq_port_subscribe_t * info)
+static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe * info)
 {
-	opl3_t *opl3 = private_data;
+	struct snd_opl3 *opl3 = private_data;
 	int err;
 
 	if ((err = snd_opl3_synth_setup(opl3)) < 0)
@@ -123,9 +123,9 @@
 	return 0;
 }
 
-static int snd_opl3_synth_unuse(void *private_data, snd_seq_port_subscribe_t * info)
+static int snd_opl3_synth_unuse(void *private_data, struct snd_seq_port_subscribe * info)
 {
-	opl3_t *opl3 = private_data;
+	struct snd_opl3 *opl3 = private_data;
 
 	snd_opl3_synth_cleanup(opl3);
 
@@ -137,7 +137,7 @@
 /*
  * MIDI emulation operators
  */
-snd_midi_op_t opl3_ops = {
+struct snd_midi_op opl3_ops = {
 	.note_on =		snd_opl3_note_on,
 	.note_off =		snd_opl3_note_off,
 	.key_press =		snd_opl3_key_press,
@@ -147,10 +147,10 @@
 	.sysex =		snd_opl3_sysex,
 };
 
-static int snd_opl3_synth_event_input(snd_seq_event_t * ev, int direct,
+static int snd_opl3_synth_event_input(struct snd_seq_event * ev, int direct,
 				      void *private_data, int atomic, int hop)
 {
-	opl3_t *opl3 = private_data;
+	struct snd_opl3 *opl3 = private_data;
 
 	if (ev->type >= SNDRV_SEQ_EVENT_INSTR_BEGIN &&
 	    ev->type <= SNDRV_SEQ_EVENT_INSTR_CHANGE) {
@@ -168,14 +168,14 @@
 
 static void snd_opl3_synth_free_port(void *private_data)
 {
-	opl3_t *opl3 = private_data;
+	struct snd_opl3 *opl3 = private_data;
 
 	snd_midi_channel_free_set(opl3->chset);
 }
 
-static int snd_opl3_synth_create_port(opl3_t * opl3)
+static int snd_opl3_synth_create_port(struct snd_opl3 * opl3)
 {
-	snd_seq_port_callback_t callbacks;
+	struct snd_seq_port_callback callbacks;
 	char name[32];
 	int voices, opl_ver;
 
@@ -215,15 +215,15 @@
 
 /* ------------------------------ */
 
-static int snd_opl3_seq_new_device(snd_seq_device_t *dev)
+static int snd_opl3_seq_new_device(struct snd_seq_device *dev)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 	int client;
-	snd_seq_client_callback_t callbacks;
-	snd_seq_client_info_t cinfo;
+	struct snd_seq_client_callback callbacks;
+	struct snd_seq_client_info cinfo;
 	int opl_ver;
 
-	opl3 = *(opl3_t **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
+	opl3 = *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
 	if (opl3 == NULL)
 		return -EINVAL;
 
@@ -273,11 +273,11 @@
 	return 0;
 }
 
-static int snd_opl3_seq_delete_device(snd_seq_device_t *dev)
+static int snd_opl3_seq_delete_device(struct snd_seq_device *dev)
 {
-	opl3_t *opl3;
+	struct snd_opl3 *opl3;
 
-	opl3 = *(opl3_t **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
+	opl3 = *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(dev);
 	if (opl3 == NULL)
 		return -EINVAL;
 
@@ -295,14 +295,14 @@
 
 static int __init alsa_opl3_seq_init(void)
 {
-	static snd_seq_dev_ops_t ops =
+	static struct snd_seq_dev_ops ops =
 	{
 		snd_opl3_seq_new_device,
 		snd_opl3_seq_delete_device
 	};
 
 	return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_OPL3, &ops,
-					      sizeof(opl3_t*));
+					      sizeof(struct snd_opl3 *));
 }
 
 static void __exit alsa_opl3_seq_exit(void)
diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c
index 04f9f95..3534a0e 100644
--- a/sound/drivers/opl3/opl3_synth.c
+++ b/sound/drivers/opl3/opl3_synth.c
@@ -61,20 +61,20 @@
 /*
  * prototypes
  */
-static int snd_opl3_play_note(opl3_t * opl3, snd_dm_fm_note_t * note);
-static int snd_opl3_set_voice(opl3_t * opl3, snd_dm_fm_voice_t * voice);
-static int snd_opl3_set_params(opl3_t * opl3, snd_dm_fm_params_t * params);
-static int snd_opl3_set_mode(opl3_t * opl3, int mode);
-static int snd_opl3_set_connection(opl3_t * opl3, int connection);
+static int snd_opl3_play_note(struct snd_opl3 * opl3, struct snd_dm_fm_note * note);
+static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * voice);
+static int snd_opl3_set_params(struct snd_opl3 * opl3, struct snd_dm_fm_params * params);
+static int snd_opl3_set_mode(struct snd_opl3 * opl3, int mode);
+static int snd_opl3_set_connection(struct snd_opl3 * opl3, int connection);
 
 /* ------------------------------ */
 
 /*
  * open the device exclusively
  */
-int snd_opl3_open(snd_hwdep_t * hw, struct file *file)
+int snd_opl3_open(struct snd_hwdep * hw, struct file *file)
 {
-	opl3_t *opl3 = hw->private_data;
+	struct snd_opl3 *opl3 = hw->private_data;
 
 	down(&opl3->access_mutex);
 	if (opl3->used) {
@@ -90,10 +90,10 @@
 /*
  * ioctl for hwdep device:
  */
-int snd_opl3_ioctl(snd_hwdep_t * hw, struct file *file,
+int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
 		   unsigned int cmd, unsigned long arg)
 {
-	opl3_t *opl3 = hw->private_data;
+	struct snd_opl3 *opl3 = hw->private_data;
 	void __user *argp = (void __user *)arg;
 
 	snd_assert(opl3 != NULL, return -EINVAL);
@@ -102,11 +102,11 @@
 		/* get information */
 	case SNDRV_DM_FM_IOCTL_INFO:
 		{
-			snd_dm_fm_info_t info;
+			struct snd_dm_fm_info info;
 
 			info.fm_mode = opl3->fm_mode;
 			info.rhythm = opl3->rhythm;
-			if (copy_to_user(argp, &info, sizeof(snd_dm_fm_info_t)))
+			if (copy_to_user(argp, &info, sizeof(struct snd_dm_fm_info)))
 				return -EFAULT;
 			return 0;
 		}
@@ -123,8 +123,8 @@
 	case SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE:
 #endif
 		{
-			snd_dm_fm_note_t note;
-			if (copy_from_user(&note, argp, sizeof(snd_dm_fm_note_t)))
+			struct snd_dm_fm_note note;
+			if (copy_from_user(&note, argp, sizeof(struct snd_dm_fm_note)))
 				return -EFAULT;
 			return snd_opl3_play_note(opl3, &note);
 		}
@@ -134,8 +134,8 @@
 	case SNDRV_DM_FM_OSS_IOCTL_SET_VOICE:
 #endif
 		{
-			snd_dm_fm_voice_t voice;
-			if (copy_from_user(&voice, argp, sizeof(snd_dm_fm_voice_t)))
+			struct snd_dm_fm_voice voice;
+			if (copy_from_user(&voice, argp, sizeof(struct snd_dm_fm_voice)))
 				return -EFAULT;
 			return snd_opl3_set_voice(opl3, &voice);
 		}
@@ -145,8 +145,8 @@
 	case SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS:
 #endif
 		{
-			snd_dm_fm_params_t params;
-			if (copy_from_user(&params, argp, sizeof(snd_dm_fm_params_t)))
+			struct snd_dm_fm_params params;
+			if (copy_from_user(&params, argp, sizeof(struct snd_dm_fm_params)))
 				return -EFAULT;
 			return snd_opl3_set_params(opl3, &params);
 		}
@@ -174,9 +174,9 @@
 /*
  * close the device
  */
-int snd_opl3_release(snd_hwdep_t * hw, struct file *file)
+int snd_opl3_release(struct snd_hwdep * hw, struct file *file)
 {
-	opl3_t *opl3 = hw->private_data;
+	struct snd_opl3 *opl3 = hw->private_data;
 
 	snd_opl3_reset(opl3);
 	down(&opl3->access_mutex);
@@ -188,7 +188,7 @@
 
 /* ------------------------------ */
 
-void snd_opl3_reset(opl3_t * opl3)
+void snd_opl3_reset(struct snd_opl3 * opl3)
 {
 	unsigned short opl3_reg;
 
@@ -229,7 +229,7 @@
 }
 
 
-static int snd_opl3_play_note(opl3_t * opl3, snd_dm_fm_note_t * note)
+static int snd_opl3_play_note(struct snd_opl3 * opl3, struct snd_dm_fm_note * note)
 {
 	unsigned short reg_side;
 	unsigned char voice_offset;
@@ -276,7 +276,7 @@
 }
 
 
-static int snd_opl3_set_voice(opl3_t * opl3, snd_dm_fm_voice_t * voice)
+static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * voice)
 {
 	unsigned short reg_side;
 	unsigned char op_offset;
@@ -378,7 +378,7 @@
 	return 0;
 }
 
-static int snd_opl3_set_params(opl3_t * opl3, snd_dm_fm_params_t * params)
+static int snd_opl3_set_params(struct snd_opl3 * opl3, struct snd_dm_fm_params * params)
 {
 	unsigned char reg_val;
 
@@ -418,7 +418,7 @@
 	return 0;
 }
 
-static int snd_opl3_set_mode(opl3_t * opl3, int mode)
+static int snd_opl3_set_mode(struct snd_opl3 * opl3, int mode)
 {
 	if ((mode == SNDRV_DM_FM_MODE_OPL3) && (opl3->hardware < OPL3_HW_OPL3))
 		return -EINVAL;
@@ -430,7 +430,7 @@
 	return 0;
 }
 
-static int snd_opl3_set_connection(opl3_t * opl3, int connection)
+static int snd_opl3_set_connection(struct snd_opl3 * opl3, int connection)
 {
 	unsigned char reg_val;
 
diff --git a/sound/drivers/opl3/opl3_voice.h b/sound/drivers/opl3/opl3_voice.h
index 63346a5..a371c07 100644
--- a/sound/drivers/opl3/opl3_voice.h
+++ b/sound/drivers/opl3/opl3_voice.h
@@ -22,31 +22,31 @@
 #include <sound/opl3.h>
 
 /* Prototypes for opl3_seq.c */
-int snd_opl3_synth_use_inc(opl3_t * opl3);
-void snd_opl3_synth_use_dec(opl3_t * opl3);
-int snd_opl3_synth_setup(opl3_t * opl3);
-void snd_opl3_synth_cleanup(opl3_t * opl3);
+int snd_opl3_synth_use_inc(struct snd_opl3 * opl3);
+void snd_opl3_synth_use_dec(struct snd_opl3 * opl3);
+int snd_opl3_synth_setup(struct snd_opl3 * opl3);
+void snd_opl3_synth_cleanup(struct snd_opl3 * opl3);
 
 /* Prototypes for opl3_midi.c */
 void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan);
 void snd_opl3_note_off(void *p, int note, int vel, struct snd_midi_channel *chan);
 void snd_opl3_key_press(void *p, int note, int vel, struct snd_midi_channel *chan);
-void snd_opl3_terminate_note(void *p, int note, snd_midi_channel_t *chan);
+void snd_opl3_terminate_note(void *p, int note, struct snd_midi_channel *chan);
 void snd_opl3_control(void *p, int type, struct snd_midi_channel *chan);
-void snd_opl3_nrpn(void *p, snd_midi_channel_t *chan, snd_midi_channel_set_t *chset);
-void snd_opl3_sysex(void *p, unsigned char *buf, int len, int parsed, snd_midi_channel_set_t *chset);
+void snd_opl3_nrpn(void *p, struct snd_midi_channel *chan, struct snd_midi_channel_set *chset);
+void snd_opl3_sysex(void *p, unsigned char *buf, int len, int parsed, struct snd_midi_channel_set *chset);
 
-void snd_opl3_calc_volume(unsigned char *reg, int vel, snd_midi_channel_t *chan);
+void snd_opl3_calc_volume(unsigned char *reg, int vel, struct snd_midi_channel *chan);
 void snd_opl3_timer_func(unsigned long data);
 
 /* Prototypes for opl3_drums.c */
-void snd_opl3_load_drums(opl3_t *opl3);
-void snd_opl3_drum_switch(opl3_t *opl3, int note, int on_off, int vel, snd_midi_channel_t *chan);
+void snd_opl3_load_drums(struct snd_opl3 *opl3);
+void snd_opl3_drum_switch(struct snd_opl3 *opl3, int note, int on_off, int vel, struct snd_midi_channel *chan);
 
 /* Prototypes for opl3_oss.c */
 #ifdef CONFIG_SND_SEQUENCER_OSS
-void snd_opl3_init_seq_oss(opl3_t *opl3, char *name);
-void snd_opl3_free_seq_oss(opl3_t *opl3);
+void snd_opl3_init_seq_oss(struct snd_opl3 *opl3, char *name);
+void snd_opl3_free_seq_oss(struct snd_opl3 *opl3);
 #endif
 
 #endif