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

Kill snd_assert() in sound/isa/*, 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/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index fe03bb8..658d557 100644
--- a/sound/isa/sb/sb8_main.c
+++ b/sound/isa/sb/sb8_main.c
@@ -111,7 +111,9 @@
 	switch (chip->hardware) {
 	case SB_HW_PRO:
 		if (runtime->channels > 1) {
-			snd_assert(rate == SB8_RATE(11025) || rate == SB8_RATE(22050), return -EINVAL);
+			if (snd_BUG_ON(rate != SB8_RATE(11025) &&
+				       rate != SB8_RATE(22050)))
+				return -EINVAL;
 			chip->playback_format = SB_DSP_HI_OUTPUT_AUTO;
 			break;
 		}
@@ -237,7 +239,9 @@
 	switch (chip->hardware) {
 	case SB_HW_PRO:
 		if (runtime->channels > 1) {
-			snd_assert(rate == SB8_RATE(11025) || rate == SB8_RATE(22050), return -EINVAL);
+			if (snd_BUG_ON(rate != SB8_RATE(11025) &&
+				       rate != SB8_RATE(22050)))
+				return -EINVAL;
 			chip->capture_format = SB_DSP_HI_INPUT_AUTO;
 			break;
 		}