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(parent: df803e1) | patch
ALSA: control: Allow to pass items zero to snd_ctl_enum_info()
authorTakashi Iwai <tiwai@suse.de>
Mon, 20 Oct 2014 16:08:50 +0000 (18:08 +0200)
committerTakashi Iwai <tiwai@suse.de>
Mon, 20 Oct 2014 16:25:41 +0000 (18:25 +0200)
commita7e6fb99150ebb2852ebd0e7bad9ce37cc9a79dd
tree17248fa8afa98fef3ec38ca332ec921cd95ff062tree | snapshot (tar.gz zip)
parentdf803e1389716bcdf11932fff47d7f1fc198bc8acommit | diff
ALSA: control: Allow to pass items zero to snd_ctl_enum_info()

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>
sound/core/control.c diff | blob | blame | history