Commit 17f08b0d authored by Alberto Aguirre's avatar Alberto Aguirre Committed by Takashi Iwai

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: default avatarAlberto Aguirre <>
Signed-off-by: default avatarTakashi Iwai <>
parent 048ea6df
......@@ -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;
altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC &&
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