On Mon, Oct 03, 2022 at 11:16:27AM +0100, Daniel Scally wrote: > Calling uvcg_complete_buffer() from uvc_video_encode_isoc() sometimes > causes the final isoc packet for a video frame to be delayed long > enough to cause the USB controller to drop it. The first isoc packet > of the next video frame is then received by the host, which interprets > the toggled FID bit correctly such that the stream continues without > interruption, but the first frame will be missing the last isoc > packet's worth of bytes. > > To fix the issue delay the call to uvcg_complete_buffer() until the > usb_request's .complete() callback, as already happens when the data > is encoded via uvc_video_encode_isoc_sg(). > > Signed-off-by: Daniel Scally <dan.scally@xxxxxxxxxxxxxxxx> > --- > drivers/usb/gadget/function/uvc_video.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) What commit id does this fix? Should it go to stable kernels? thanks, greg k-h
