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authorTakashi Iwai <tiwai@suse.de>2014-10-20 18:08:50 +0200
committerTakashi Iwai <tiwai@suse.de>2014-10-20 18:25:41 +0200
commita7e6fb99150ebb2852ebd0e7bad9ce37cc9a79dd (patch)
tree17248fa8afa98fef3ec38ca332ec921cd95ff062 /sound/aoa
parentdf803e1389716bcdf11932fff47d7f1fc198bc8a (diff)
downloadlinux-a7e6fb99150ebb2852ebd0e7bad9ce37cc9a79dd.tar.bz2
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>
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