From 17f08b0d9aafccdb10038ab6dbd9ddb6433c13e2 Mon Sep 17 00:00:00 2001 From: Alberto Aguirre Date: Thu, 8 Dec 2016 00:36:48 -0600 Subject: ALSA: usb-audio: add implicit fb quirk for Axe-Fx II The Axe-Fx II implicit feedback end point and the data sync endpoint are in different interface descriptors. Add quirk to ensure a sync endpoint is properly configured. Signed-off-by: Alberto Aguirre Signed-off-by: Takashi Iwai --- sound/usb/pcm.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'sound') diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index a522c9af1f34..34c6d4f2c0b6 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -348,6 +348,16 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs, alts = &iface->altsetting[1]; goto add_sync_ep; + case USB_ID(0x2466, 0x8003): + ep = 0x86; + iface = usb_ifnum_to_if(dev, 2); + + if (!iface || iface->num_altsetting == 0) + return -EINVAL; + + alts = &iface->altsetting[1]; + goto add_sync_ep; + } if (attr == USB_ENDPOINT_SYNC_ASYNC && altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC && -- cgit v1.2.3-59-g8ed1b