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/echoaudio/echoaudio_gml.c b/sound/pci/echoaudio/echoaudio_gml.c
index 3aa37e7..afa2733 100644
--- a/sound/pci/echoaudio/echoaudio_gml.c
+++ b/sound/pci/echoaudio/echoaudio_gml.c
@@ -112,9 +112,11 @@
 		return -EIO;
 
 	/* All audio channels must be closed before changing the digital mode */
-	snd_assert(!chip->pipe_alloc_mask, return -EAGAIN);
+	if (snd_BUG_ON(chip->pipe_alloc_mask))
+		return -EAGAIN;
 
-	snd_assert(chip->digital_modes & (1 << mode), return -EINVAL);
+	if (snd_BUG_ON(!(chip->digital_modes & (1 << mode))))
+		return -EINVAL;
 
 	previous_mode = chip->digital_mode;
 	err = dsp_set_digital_mode(chip, mode);