TX3912_VIDEOCTRL4_DFVAL_SHIFT
(((cr) >> TX3912_VIDEOCTRL4_DFVAL_SHIFT) & \
((cr) | (((val) << TX3912_VIDEOCTRL4_DFVAL_SHIFT) & \
(TX3912_VIDEOCTRL4_DFVAL_MASK << TX3912_VIDEOCTRL4_DFVAL_SHIFT)))
