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

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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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Takashi Iwai 2007-10-09 11:58:41 +02:00 • committed by Jaroslav Kysela

parent 2469049e72

commit 5513b0c582

1 changed files with 4 additions and 0 deletions

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sound/pci/hda/hda_codec.c

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