[ALSA] semaphore -> mutex (PCI part)

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/ak4531_codec.h b/include/sound/ak4531_codec.h
index edf0407..fb30faa 100644
--- a/include/sound/ak4531_codec.h
+++ b/include/sound/ak4531_codec.h
@@ -71,7 +71,7 @@
 	void (*private_free) (struct snd_ak4531 *ak4531);
 	/* --- */
 	unsigned char regs[0x20];
-	struct semaphore reg_mutex;
+	struct mutex reg_mutex;
 };
 
 int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,