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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)
commit1d8d6428d1da642ddd75b0be2d1bb1123ff8e017
tree70a8d358177beb48d94b11bb80dd195479596c7atree | snapshot
parent2b54f785b4d4894ab7ab3bf5e461e0819d221c1ccommit | 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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