ADV7183_IN_CTRL
adv7183_read(sd, ADV7183_IN_CTRL));
reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF;
adv7183_write(sd, ADV7183_IN_CTRL, reg);
reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF0;
adv7183_write(sd, ADV7183_IN_CTRL, reg);
reg = adv7183_read(sd, ADV7183_IN_CTRL) & 0xF;
adv7183_write(sd, ADV7183_IN_CTRL, reg);
ADV7183_IN_CTRL, 0x04, /* CVBS input on AIN5 */