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ALSA: usb-audio: Skip broken EU on Dell dock USB-audio
authorTakashi Iwai <tiwai@suse.de>
Tue, 24 Apr 2018 09:11:48 +0000 (11:11 +0200)
committerTakashi Iwai <tiwai@suse.de>
Tue, 24 Apr 2018 11:39:30 +0000 (13:39 +0200)
commitcb0d4176a3767f3bdc70708aff62e582092ad0ad
tree70a8d358177beb48d94b11bb80dd195479596c7atree | snapshot
parentdd8ce5c126aa994dd24a614d76fa29aee6525e3ccommit | diff
ALSA: usb-audio: Skip broken EU on Dell dock USB-audio

The Dell Dock USB-audio device with 0bda:4014 is behaving notoriously
bad, and we have already applied some workaround to avoid the firmware
hiccup.  Yet we still need to skip one thing, the Extension Unit at ID
4, which doesn't react correctly to the mixer ctl access.

Bugzilla: https://bugzilla.suse.com/show_bug.cgi?id=1090658
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/mixer_maps.c diff | blob | history
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