From 79124b1b912c9034ce8465ccf2b70fa37cf67019 Mon Sep 17 00:00:00 2001 From: Joshua Sivec Date: Tue, 25 Aug 2020 18:55:18 +0200 Subject: [PATCH] ALSA: usb-audio: Add implicit feedback quirk for UR22C commit 7c5b892e0871655fea3294ffac6fa3cc3400b60d upstream. This uses the same quirk as the Motu and SSL2 devices. Tested on the UR22C. Fixes bug 208851. Signed-off-by: Joshua Sivec BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=208851 Cc: Link: https://lore.kernel.org/r/20200825165515.8239-1-sivec@posteo.net Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/pcm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 7b41f9748978..878f1201aad6 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -356,6 +356,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs, case USB_ID(0x07fd, 0x0008): /* MOTU M Series */ case USB_ID(0x31e9, 0x0001): /* Solid State Logic SSL2 */ case USB_ID(0x31e9, 0x0002): /* Solid State Logic SSL2+ */ + case USB_ID(0x0499, 0x172f): /* Steinberg UR22C */ case USB_ID(0x0d9a, 0x00df): /* RTX6001 */ ep = 0x81; ifnum = 2;