3.16.83-rc1 review patch. If anyone has any objections, please let me know.
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From: Alberto Aguirre albaguirre@gmail.com
commit 17f08b0d9aafccdb10038ab6dbd9ddb6433c13e2 upstream.
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 [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings ben@decadent.org.uk --- sound/usb/pcm.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
--- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -351,6 +351,15 @@ static int set_sync_ep_implicit_fb_quirk
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; case USB_ID(0x1397, 0x0002): ep = 0x81; iface = usb_ifnum_to_if(dev, 1); @@ -360,6 +369,7 @@ static int set_sync_ep_implicit_fb_quirk
alts = &iface->altsetting[1]; goto add_sync_ep; + } if (attr == USB_ENDPOINT_SYNC_ASYNC && altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC &&