From: Geoffrey D. Bennett g@b4.vu
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
--- sound/usb/pcm.c | 1 + 1 file changed, 1 insertion(+)
--- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -323,6 +323,7 @@ static int set_sync_ep_implicit_fb_quirk 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;