ALSA: Kill snd_assert() in other places

Kill snd_assert() in other places, either removed or replaced with
if () with snd_BUG_ON().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c
index cebcb8b..16feafa 100644
--- a/sound/drivers/opl3/opl3_midi.c
+++ b/sound/drivers/opl3/opl3_midi.c
@@ -617,7 +617,8 @@
 
 	struct snd_opl3_voice *vp, *vp2;
 
-	snd_assert(voice < MAX_OPL3_VOICES, return);
+	if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))
+		return;
 
 	vp = &opl3->voices[voice];
 	if (voice < MAX_OPL2_VOICES) {
@@ -737,7 +738,8 @@
 
 	struct snd_opl3_voice *vp;
 
-	snd_assert(voice < MAX_OPL3_VOICES, return);
+	if (snd_BUG_ON(voice >= MAX_OPL3_VOICES))
+		return;
 
 	vp = &opl3->voices[voice];
 	if (vp->chan == NULL)