tree aedaf3304fa5a8c16bd48c712d373e4dcd5cde8a
parent 504333df8ba5fc310260285a22ab5d7cf3208795
author Takashi Iwai <tiwai@suse.de> 1383576249 +0100
committer Takashi Iwai <tiwai@suse.de> 1383634072 +0100

ALSA: hda - Fix possible zero-division

Check the TLV db scale result before actually dividing in vmaster
slave init code.  Also mask TLV_DB_SCALE_MUTE bit so that the right
value is obtained even if this bit is set by the codec driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>