V4L2_MBUS_FRAMEFMT_SET_CSC
if (csc && (flags & V4L2_MBUS_FRAMEFMT_SET_CSC)) {
u16 flags = fmt->format.flags & V4L2_MBUS_FRAMEFMT_SET_CSC;
set_csc = format->flags & V4L2_MBUS_FRAMEFMT_SET_CSC;
format->flags |= V4L2_MBUS_FRAMEFMT_SET_CSC;