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ALSA: control: Allow to pass items zero to snd_ctl_enum_info()
author
Takashi Iwai
<tiwai@suse.de>
Mon, 20 Oct 2014 16:08:50 +0000
(18:08 +0200)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 20 Oct 2014 16:25:41 +0000
(18:25 +0200)
Although this is weird, some drivers want to allow empty control
elements intentionally, e.g. the number of items may change depending
on the firmware status. Let the function simply returning in such a
case.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git.openpandora.org / pandora-kernel.git / commitdiff