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authorGeoffrey D. Bennett <g@b4.vu>2020-11-04 22:27:17 +1030
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-10 12:37:27 +0100
commit26a871cf86cb277fdd815f1df1e437f23d7eb144 (patch)
tree7510c5c0d0deb35bc955e51df7ec31005b81a18c /sound
parenta46e830d017ee1b85d2a215fdd4202bf38582989 (diff)
ALSA: usb-audio: Add implicit feedback quirk for Qu-16
commit 0938ecae432e7ac8b01080c35dd81d50a1e43033 upstream. This patch fixes audio distortion on playback for the Allen&Heath Qu-16. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20201104115717.GA19046@b4.vu Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/pcm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 1c2032ab1751..60f3df76f01b 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -323,6 +323,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
switch (subs->stream->chip->usb_id) {
case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */
+ case USB_ID(0x22f0, 0x0006): /* Allen&Heath Qu-16 */
ep = 0x81;
ifnum = 3;
goto add_sync_ep_from_ifnum;