ALSA: usb-audio: Add implicit feedback quirk for SSL2

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@gmail.com>
Signed-off-by: Laurence Tratt <laurie@tratt.net>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200621075005.52mjjfc6dtdjnr3h@overdrive.tratt.net
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 9702c4311b91898169af4e1be8114b3aa4a62522..0247162a9fbf3498c0f471c3a67c9c61c27d3dde 100644 (file)
--- a/sound/usb/pcm.c
+++ b/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+ */
        case USB_ID(0x0d9a, 0x00df): /* RTX6001 */
                ep = 0x81;