diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c
index 1818f10..9e5b571 100644
--- a/sound/isa/wavefront/wavefront.c
+++ b/sound/isa/wavefront/wavefront.c
@@ -81,7 +81,7 @@
 module_param_array(use_cs4232_midi, bool, NULL, 0444);
 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
 
-static snd_card_t *snd_wavefront_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
+static struct snd_card *snd_wavefront_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
 
 #ifdef CONFIG_PNP
 
@@ -279,12 +279,12 @@
 	return IRQ_HANDLED;
 }
 
-static snd_hwdep_t * __devinit
-snd_wavefront_new_synth (snd_card_t *card,
+static struct snd_hwdep * __devinit
+snd_wavefront_new_synth (struct snd_card *card,
 			 int hw_dev,
 			 snd_wavefront_card_t *acard)
 {
-	snd_hwdep_t *wavefront_synth;
+	struct snd_hwdep *wavefront_synth;
 
 	if (snd_wavefront_detect (acard) < 0) {
 		return NULL;
@@ -305,14 +305,14 @@
 	return wavefront_synth;
 }
 
-static snd_hwdep_t * __devinit
-snd_wavefront_new_fx (snd_card_t *card,
+static struct snd_hwdep * __devinit
+snd_wavefront_new_fx (struct snd_card *card,
 		      int hw_dev,
 		      snd_wavefront_card_t *acard,
 		      unsigned long port)
 
 {
-	snd_hwdep_t *fx_processor;
+	struct snd_hwdep *fx_processor;
 
 	if (snd_wavefront_fx_start (&acard->wavefront)) {
 		snd_printk ("cannot initialize YSS225 FX processor");
@@ -332,15 +332,15 @@
 static snd_wavefront_mpu_id internal_id = internal_mpu;
 static snd_wavefront_mpu_id external_id = external_mpu;
 
-static snd_rawmidi_t * __devinit
-snd_wavefront_new_midi (snd_card_t *card,
+static struct snd_rawmidi *__devinit
+snd_wavefront_new_midi (struct snd_card *card,
 			int midi_dev,
 			snd_wavefront_card_t *acard,
 			unsigned long port,
 			snd_wavefront_mpu_id mpu)
 
 {
-	snd_rawmidi_t *rmidi;
+	struct snd_rawmidi *rmidi;
 	static int first = 1;
 
 	if (first) {
@@ -374,7 +374,7 @@
 }
 
 static void
-snd_wavefront_free(snd_card_t *card)
+snd_wavefront_free(struct snd_card *card)
 {
 	snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data;
 	
@@ -389,13 +389,13 @@
 snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
 		     const struct pnp_card_device_id *pid)
 {
-	snd_card_t *card;
+	struct snd_card *card;
 	snd_wavefront_card_t *acard;
-	cs4231_t *chip;
-	snd_hwdep_t *wavefront_synth;
-	snd_rawmidi_t *ics2115_internal_rmidi = NULL;
-	snd_rawmidi_t *ics2115_external_rmidi = NULL;
-	snd_hwdep_t *fx_processor;
+	struct snd_cs4231 *chip;
+	struct snd_hwdep *wavefront_synth;
+	struct snd_rawmidi *ics2115_internal_rmidi = NULL;
+	struct snd_rawmidi *ics2115_external_rmidi = NULL;
+	struct snd_hwdep *fx_processor;
 	int hw_dev = 0, midi_dev = 0, err;
 
 #ifdef CONFIG_PNP
@@ -467,7 +467,7 @@
 	/* ---------- OPL3 synth --------- */
 
 	if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
-		opl3_t *opl3;
+		struct snd_opl3 *opl3;
 
 	        if ((err = snd_opl3_create(card,
 					   fm_port[dev],
@@ -658,7 +658,7 @@
 
 static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard)
 {
-	snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
+	struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
 
 	snd_card_disconnect(card);
 	snd_card_free_in_thread(card);
diff --git a/sound/isa/wavefront/wavefront_fx.c b/sound/isa/wavefront/wavefront_fx.c
index 3237968..180661c 100644
--- a/sound/isa/wavefront/wavefront_fx.c
+++ b/sound/isa/wavefront/wavefront_fx.c
@@ -460,7 +460,7 @@
 }
 
 int
-snd_wavefront_fx_open (snd_hwdep_t *hw, struct file *file)
+snd_wavefront_fx_open (struct snd_hwdep *hw, struct file *file)
 
 {
 	if (!try_module_get(hw->card->module))
@@ -470,7 +470,7 @@
 }
 
 int 
-snd_wavefront_fx_release (snd_hwdep_t *hw, struct file *file)
+snd_wavefront_fx_release (struct snd_hwdep *hw, struct file *file)
 
 {
 	module_put(hw->card->module);
@@ -478,11 +478,11 @@
 }
 
 int
-snd_wavefront_fx_ioctl (snd_hwdep_t *sdev, struct file *file,
+snd_wavefront_fx_ioctl (struct snd_hwdep *sdev, struct file *file,
 			unsigned int cmd, unsigned long arg)
 
 {
-	snd_card_t *card;
+	struct snd_card *card;
 	snd_wavefront_card_t *acard;
 	snd_wavefront_t *dev;
 	wavefront_fx_info r;
diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c
index 6f51d64..15888ba 100644
--- a/sound/isa/wavefront/wavefront_midi.c
+++ b/sound/isa/wavefront/wavefront_midi.c
@@ -91,10 +91,10 @@
 }
 
 static snd_wavefront_midi_t *
-get_wavefront_midi (snd_rawmidi_substream_t *substream)
+get_wavefront_midi (struct snd_rawmidi_substream *substream)
 
 {
-	snd_card_t *card;
+	struct snd_card *card;
 	snd_wavefront_card_t *acard;
 
 	if (substream == NULL || substream->rmidi == NULL) 
@@ -230,7 +230,7 @@
 	}
 }
 
-static int snd_wavefront_midi_input_open(snd_rawmidi_substream_t * substream)
+static int snd_wavefront_midi_input_open(struct snd_rawmidi_substream *substream)
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
@@ -252,7 +252,7 @@
 	return 0;
 }
 
-static int snd_wavefront_midi_output_open(snd_rawmidi_substream_t * substream)
+static int snd_wavefront_midi_output_open(struct snd_rawmidi_substream *substream)
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
@@ -274,7 +274,7 @@
 	return 0;
 }
 
-static int snd_wavefront_midi_input_close(snd_rawmidi_substream_t * substream)
+static int snd_wavefront_midi_input_close(struct snd_rawmidi_substream *substream)
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
@@ -295,7 +295,7 @@
 	return 0;
 }
 
-static int snd_wavefront_midi_output_close(snd_rawmidi_substream_t * substream)
+static int snd_wavefront_midi_output_close(struct snd_rawmidi_substream *substream)
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
@@ -315,7 +315,7 @@
 	return 0;
 }
 
-static void snd_wavefront_midi_input_trigger(snd_rawmidi_substream_t * substream, int up)
+static void snd_wavefront_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
@@ -355,7 +355,7 @@
 	snd_wavefront_midi_output_write(card);
 }
 
-static void snd_wavefront_midi_output_trigger(snd_rawmidi_substream_t * substream, int up)
+static void snd_wavefront_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
@@ -401,7 +401,7 @@
 {
 	unsigned long flags;
 	snd_wavefront_midi_t *midi;
-	static snd_rawmidi_substream_t *substream = NULL;
+	static struct snd_rawmidi_substream *substream = NULL;
 	static int mpu = external_mpu; 
 	int max = 128;
 	unsigned char byte;
@@ -554,14 +554,14 @@
 	return 0;
 }
 
-snd_rawmidi_ops_t snd_wavefront_midi_output =
+struct snd_rawmidi_ops snd_wavefront_midi_output =
 {
 	.open =		snd_wavefront_midi_output_open,
 	.close =	snd_wavefront_midi_output_close,
 	.trigger =	snd_wavefront_midi_output_trigger,
 };
 
-snd_rawmidi_ops_t snd_wavefront_midi_input =
+struct snd_rawmidi_ops snd_wavefront_midi_input =
 {
 	.open =		snd_wavefront_midi_input_open,
 	.close =	snd_wavefront_midi_input_close,
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index abd79b7..679d0ae 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -144,13 +144,13 @@
 static int wavefront_delete_sample (snd_wavefront_t *, int sampnum);
 static int wavefront_find_free_sample (snd_wavefront_t *);
 
-typedef struct {
+struct wavefront_command {
 	int cmd;
 	char *action;
 	unsigned int read_cnt;
 	unsigned int write_cnt;
 	int need_ack;
-} wavefront_command;
+};
 
 static struct {
 	int errno;
@@ -170,7 +170,7 @@
 
 #define NEEDS_ACK 1
 
-static wavefront_command wavefront_commands[] = {
+static struct wavefront_command wavefront_commands[] = {
 	{ WFC_SET_SYNTHVOL, "set synthesizer volume", 0, 1, NEEDS_ACK },
 	{ WFC_GET_SYNTHVOL, "get synthesizer volume", 1, 0, 0},
 	{ WFC_SET_NVOICES, "set number of voices", 0, 1, NEEDS_ACK },
@@ -249,7 +249,7 @@
 	return "Unknown WaveFront error";
 }
 
-static wavefront_command *
+static struct wavefront_command *
 wavefront_get_command (int cmd) 
 
 {
@@ -261,7 +261,7 @@
 		}
 	}
 
-	return (wavefront_command *) 0;
+	return NULL;
 }
 
 static inline int
@@ -345,9 +345,9 @@
 	int ack;
 	unsigned int i;
 	int c;
-	wavefront_command *wfcmd;
+	struct wavefront_command *wfcmd;
 
-	if ((wfcmd = wavefront_get_command (cmd)) == (wavefront_command *) 0) {
+	if ((wfcmd = wavefront_get_command (cmd)) == NULL) {
 		snd_printk ("command 0x%x not supported.\n",
 			cmd);
 		return 1;
@@ -1625,7 +1625,7 @@
 }
 
 int 
-snd_wavefront_synth_open (snd_hwdep_t *hw, struct file *file)
+snd_wavefront_synth_open (struct snd_hwdep *hw, struct file *file)
 
 {
 	if (!try_module_get(hw->card->module))
@@ -1635,7 +1635,7 @@
 }
 
 int 
-snd_wavefront_synth_release (snd_hwdep_t *hw, struct file *file)
+snd_wavefront_synth_release (struct snd_hwdep *hw, struct file *file)
 
 {
 	module_put(hw->card->module);
@@ -1643,18 +1643,18 @@
 }
 
 int
-snd_wavefront_synth_ioctl (snd_hwdep_t *hw, struct file *file,
+snd_wavefront_synth_ioctl (struct snd_hwdep *hw, struct file *file,
 			   unsigned int cmd, unsigned long arg)
 
 {
-	snd_card_t *card;
+	struct snd_card *card;
 	snd_wavefront_t *dev;
 	snd_wavefront_card_t *acard;
 	wavefront_control *wc;
 	void __user *argp = (void __user *)arg;
 	int err;
 
-	card = (snd_card_t *) hw->card;
+	card = (struct snd_card *) hw->card;
 
 	snd_assert(card != NULL, return -ENODEV);