usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed
authorRoger Quadros <rogerq@ti.com>
Wed, 8 Mar 2017 14:05:44 +0000 (16:05 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Dec 2017 13:22:10 +0000 (14:22 +0100)
commit0c8496bfdb0e69fb91152af253b29946b148da7f
tree970314d9fe579ca962db50c3dde04d355bc8f876
parentd6c0e23a7fef318682b090a40daaba8abd0cf0d3
usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed

[ Upstream commit 16bb05d98c904a4f6c5ce7e2d992299f794acbf2 ]

As per USB3.0 Specification "Table 9-20. Standard Endpoint Descriptor",
for interrupt and isochronous endpoints, wMaxPacketSize must be set to
1024 if the endpoint defines bMaxBurst to be greater than zero.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/f_uvc.c