ALSA: usb-audio: work around KEF X300A firmware bug
authorClemens Ladisch <clemens@ladisch.de>
Sun, 16 Feb 2014 16:11:10 +0000 (17:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 Mar 2014 23:09:59 +0000 (16:09 -0700)
commit969d5499ee64ec2ece7b6c9bb553011a6cd20a00
tree70d832f0c5b3538f08e369436b7db1161bc43367
parent29a3cd46644ec8098dbe1c12f89643b5c11831a9
ALSA: usb-audio: work around KEF X300A firmware bug

commit 624aef494f86ed0c58056361c06347ad62b26806 upstream.

When the driver tries to access Function Unit 10, the KEF X300A
speakers' firmware apparently locks up, making even PCM streaming
impossible.  Work around this by ignoring this FU.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/usb/mixer_maps.c