UNICAM_DCS
unicam_reg_write_field(unicam, UNICAM_DCS, 1, UNICAM_LDP);
unicam_reg_write(unicam, UNICAM_DCS, 0);
u32 val = unicam_reg_read(unicam, UNICAM_DCS);
unicam_reg_write(unicam, UNICAM_DCS, val);