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authorAlberto Aguirre <albaguirre@gmail.com>2017-04-04 19:32:13 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-12 12:41:17 +0200
commitc0aac1bbb5d8a61a626092b0fd44219356d48cf4 (patch)
tree0095cb0b31759fadca11079160c6db78d46bfe00 /sound
parentbedc629494cdd55d1ef7d6d8bff294f8b07b919b (diff)
downloadlinux-aarch64-c0aac1bbb5d8a61a626092b0fd44219356d48cf4.tar.gz
ALSA: usb-audio: add implicit fb quirk for Axe-Fx II
[ Upstream commit 17f08b0d9aafccdb10038ab6dbd9ddb6433c13e2 ] 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 <albaguirre@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/pcm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 48afae053c56..cf8459a6fad8 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 &&