ALSA: Kill snd_assert() in sound/pci/*

Kill snd_assert() in sound/pci/*, 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/pci/cmipci.c b/sound/pci/cmipci.c
index 9971b5b..1a74ca6 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -2357,7 +2357,8 @@
 {
 	struct cmipci_switch_args *args;
 	args = (struct cmipci_switch_args *)kcontrol->private_value;
-	snd_assert(args != NULL, return -EINVAL);
+	if (snd_BUG_ON(!args))
+		return -EINVAL;
 	return _snd_cmipci_uswitch_get(kcontrol, ucontrol, args);
 }
 
@@ -2401,7 +2402,8 @@
 {
 	struct cmipci_switch_args *args;
 	args = (struct cmipci_switch_args *)kcontrol->private_value;
-	snd_assert(args != NULL, return -EINVAL);
+	if (snd_BUG_ON(!args))
+		return -EINVAL;
 	return _snd_cmipci_uswitch_put(kcontrol, ucontrol, args);
 }
 
@@ -2662,7 +2664,8 @@
 	unsigned int idx;
 	int err;
 
-	snd_assert(cm != NULL && cm->card != NULL, return -EINVAL);
+	if (snd_BUG_ON(!cm || !cm->card))
+		return -EINVAL;
 
 	card = cm->card;