The xfer_func, ycbcr_enc and quantization fields should also be copied from
output to capture format.

Since this driver serves as example code it is important that this is handled
correctly.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>