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| author |   Lassi Ylikojola <lassi.ylikojola@gmail.com> | 2018-02-09 16:51:36 +0200 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2018-02-12 08:21:28 +0100 |
| commit | 5e35dc0338d85ccebacf3f77eca1e5dea73155e8 (patch) | |
| tree | 4da30647d2d693e672d92493f2ee054f781ae6a7 /sound | |
| parent | ALSA: ac97: kconfig: Remove select of undefined symbol AC97 (diff) | |
| download | linux-dev-5e35dc0338d85ccebacf3f77eca1e5dea73155e8.tar.xz linux-dev-5e35dc0338d85ccebacf3f77eca1e5dea73155e8.zip | |
ALSA: usb-audio: add implicit fb quirk for Behringer UFX1204
Add quirk to ensure a sync endpoint is properly configured.
This patch is a fix for same symptoms on Behringer UFX1204 as patch
from Albertto Aquirre on Dec 8 2016 for Axe-Fx II.
Signed-off-by: Lassi Ylikojola <lassi.ylikojola@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/pcm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index b9c9a19f9588..3cbfae6604f9 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -357,6 +357,15 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs, alts = &iface->altsetting[1]; goto add_sync_ep; + case USB_ID(0x1397, 0x0002): + ep = 0x81; + iface = usb_ifnum_to_if(dev, 1); + + if (!iface || iface->num_altsetting == 0) + return -EINVAL; + + alts = &iface->altsetting[1]; + goto add_sync_ep; } if (attr == USB_ENDPOINT_SYNC_ASYNC && |