[ALSA] semaphore -> mutex (driver 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/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c
index 1a973d7..8f00f07 100644
--- a/sound/synth/emux/emux_seq.c
+++ b/sound/synth/emux/emux_seq.c
@@ -123,12 +123,12 @@
 	if (emu->voices)
 		snd_emux_terminate_all(emu);
 		
-	down(&emu->register_mutex);
+	mutex_lock(&emu->register_mutex);
 	if (emu->client >= 0) {
 		snd_seq_delete_kernel_client(emu->client);
 		emu->client = -1;
 	}
-	up(&emu->register_mutex);
+	mutex_unlock(&emu->register_mutex);
 }
 
 
@@ -311,10 +311,10 @@
 	emu = p->emu;
 	snd_assert(emu != NULL, return -EINVAL);
 
-	down(&emu->register_mutex);
+	mutex_lock(&emu->register_mutex);
 	snd_emux_init_port(p);
 	snd_emux_inc_count(emu);
-	up(&emu->register_mutex);
+	mutex_unlock(&emu->register_mutex);
 	return 0;
 }
 
@@ -332,10 +332,10 @@
 	emu = p->emu;
 	snd_assert(emu != NULL, return -EINVAL);
 
-	down(&emu->register_mutex);
+	mutex_lock(&emu->register_mutex);
 	snd_emux_sounds_off_all(p);
 	snd_emux_dec_count(emu);
-	up(&emu->register_mutex);
+	mutex_unlock(&emu->register_mutex);
 	return 0;
 }