[ALSA] Remove xxx_t typedefs: AC97

Modules: AC97 Codec

Remove xxx_t typedefs from the AC97 codec support.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ac97/ac97_bus.c b/sound/pci/ac97/ac97_bus.c
index ec70fad..66de2c2 100644
--- a/sound/pci/ac97/ac97_bus.c
+++ b/sound/pci/ac97/ac97_bus.c
@@ -18,7 +18,7 @@
 
 /*
  * Let drivers decide whether they want to support given codec from their
- * probe method.  Drivers have direct access to the ac97_t structure and may
+ * probe method.  Drivers have direct access to the struct snd_ac97 structure and may
  * decide based on the id field amongst other things.
  */
 static int ac97_bus_match(struct device *dev, struct device_driver *drv)