tree b2f51e7c1cf57e7a311657ce96537f999f336bad
parent 2469049e728ee0542d6617f81311a18a14e73826
author Takashi Iwai <tiwai@suse.de> 1191923921 +0200
committer Jaroslav Kysela <perex@perex.cz> 1192546267 +0200

[ALSA] hda-codec - Add zero checks in input-mux helper functions

Added zero checks in input-mux helper functions to avoid Oops.
Some devices may have no input pins while the driver registers
control elements calling these functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>