From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 9 Oct 2007 09:58:41 +0000 (+0200)
Subject: [ALSA] hda-codec - Add zero checks in input-mux helper functions
X-Git-Tag: v2.6.24-rc1~832^2~23
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5513b0c58222d21b704cf352c554d9ab86c3fd97;p=pandora-kernel.git

[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>
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