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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>
This commit is contained in:
Alberto Aguirre 2018-04-18 09:35:35 -05:00 committed by Takashi Iwai
parent 103e962564
commit 91a8561d0e
1 changed files with 4 additions and 0 deletions
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4
sound/usb/pcm.c
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@ -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;