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Message-Id: <20201109125023.887716611@linuxfoundation.org>
Date: Mon, 9 Nov 2020 13:55:24 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, "Geoffrey D. Bennett" <g@...vu>,
Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 5.4 27/85] ALSA: usb-audio: Add implicit feedback quirk for Qu-16
From: Geoffrey D. Bennett <g@...vu>
commit 0938ecae432e7ac8b01080c35dd81d50a1e43033 upstream.
This patch fixes audio distortion on playback for the Allen&Heath
Qu-16.
Signed-off-by: Geoffrey D. Bennett <g@...vu>
Cc: <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20201104115717.GA19046@b4.vu
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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;
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