From: Alberto Aguirre <albaguirre@gmail.com>
Date: Wed, 18 Apr 2018 14:35:35 +0000 (-0500)
Subject: ALSA: usb-audio: add implicit fb quirk for Axe-Fx III
X-Git-Tag: v5.15~8593^2~17^2~110
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=91a8561d0eed710330956a06487f5c888f5ae743;p=platform%2Fkernel%2Flinux-starfive.git

ALSA: usb-audio: add implicit fb quirk for Axe-Fx III

The Axe-Fx III implicit feedback end point and the data sink endpoint
are in different interface descriptors. Add quirk to ensure a sync
endpoint is properly configured.

Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index c0746cc..ad39b3c 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -342,6 +342,10 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
 		ep = 0x86;
 		ifnum = 2;
 		goto add_sync_ep_from_ifnum;
+	case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx III */
+		ep = 0x81;
+		ifnum = 2;
+		goto add_sync_ep_from_ifnum;
 	case USB_ID(0x1397, 0x0002): /* Behringer UFX1204 */
 		ep = 0x81;
 		ifnum = 1;