From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 20 Aug 2019 06:58:12 +0000 (+0200)
Subject: ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604
X-Git-Tag: v5.4-rc1~52^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1a15718b41df026cffd0e42cfdc38a1384ce19f9;p=platform%2Fkernel%2Flinux-rpi.git

ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604

Behringer UFX1604 requires the similar quirk to apply implicit fb like
another Behringer model UFX1204 in order to fix the noisy playback.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204631
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 75b9692..e4bbf79d 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -339,6 +339,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
 		ep = 0x81;
 		ifnum = 2;
 		goto add_sync_ep_from_ifnum;
+	case USB_ID(0x1397, 0x0001): /* Behringer UFX1604 */
 	case USB_ID(0x1397, 0x0002): /* Behringer UFX1204 */
 		ep = 0x81;
 		ifnum = 1;