We got requirement need to fixed output color range in full range(0-255). We try to modify the register as below and try to control output range. But it might not working. As my experience in ADV7619/12 , It shall working. Shall I need to enable other control register?
CP Map reg#69 -> 1 ; man_cp_csc_en
IO Map reg#03 -> 1 ; cp_op_656_range