[PATCH] Add implicit feedback quirk for SSL2.

[Laurence Tratt]

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 at gmail.com>
Signed-off-by: Laurence Tratt <laurie at tratt.net>
---
 sound/usb/pcm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git sound/usb/pcm.c sound/usb/pcm.c
index 84c0ae4319..dc1608bdf6 100644
--- sound/usb/pcm.c
+++ sound/usb/pcm.c
@@ -367,6 +367,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
 		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+ */
 		ep = 0x81;
 		ifnum = 2;
-- 
2.27.0