UVC_PL_HEADER_BIT_FID
(v->bulk.header[1] & UVC_PL_HEADER_BIT_FID)) {
if (v->bulk.last_fid != (v->bulk.header[1] & UVC_PL_HEADER_BIT_FID))
v->bulk.last_fid = (v->bulk.header[1] & UVC_PL_HEADER_BIT_FID);
h.header & UVC_PL_HEADER_BIT_FID);