linux-kernel - [PATCH 5.7 003/120] ALSA: usb-audio: Add implicit feedback quirk for SSL2

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Date:   Mon,  3 Aug 2020 14:17:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dmitry <dpavlushko@...il.com>,
        Laurence Tratt <laurie@...tt.net>, Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 5.7 003/120] ALSA: usb-audio: Add implicit feedback quirk for SSL2

From: Laurence Tratt <laurie@...tt.net>

commit 3da87ec67a491b9633a82045896c076b794bf938 upstream.

As expected, this requires the same quirk as the SSL2+ in order for the
clock to sync. This was suggested by, and tested on an SSL2, by Dmitry.

Suggested-by: Dmitry <dpavlushko@...il.com>
Signed-off-by: Laurence Tratt <laurie@...tt.net>
Cc: <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20200621075005.52mjjfc6dtdjnr3h@overdrive.tratt.net
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
@@ -367,6 +367,7 @@ static int set_sync_ep_implicit_fb_quirk
 		ifnum = 0;
 		goto add_sync_ep_from_ifnum;
 	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(0x0d9a, 0x00df): /* RTX6001 */
 		ep = 0x81;