[PATCH 5.7 072/265] ALSA: usb-audio: Add implicit feedback quirk for SSL2+.

Sasha Levin
2020-06-29T22:05:19Z

From: Laurence Tratt <laurie@tratt.net>

commit e7585db1b0b5b4e4eb1967bb1472df308f7ffcbf upstream.

This uses the same quirk as the Motu M2 and M4 to ensure the driver uses the
audio interface's clock. Tested on an SSL2+.

Signed-off-by: Laurence Tratt <laurie@tratt.net>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200612111807.dgnig6rwhmsl2bod@overdrive.tratt.net
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/usb/pcm.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 3411e27eb64bb..39aec83f8aca4 100644
--- 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, 0x0002): /* Solid State Logic SSL2+ */
ep = 0x81;
ifnum = 2;
goto add_sync_ep_from_ifnum;
--
2.25.1