cs53l32a_write
cs53l32a_write(sd, 0x01, 0x21);
cs53l32a_write(sd, 0x02, 0x29);
cs53l32a_write(sd, 0x03, 0x30);
cs53l32a_write(sd, 0x04, 0x00);
cs53l32a_write(sd, 0x05, 0x00);
cs53l32a_write(sd, 0x06, 0x00);
cs53l32a_write(sd, 0x07, 0x00);
cs53l32a_write(sd, 0x01, 0x01 + (input << 4));
cs53l32a_write(sd, 0x03, ctrl->val ? 0xf0 : 0x30);
cs53l32a_write(sd, 0x04, (u8)ctrl->val);
cs53l32a_write(sd, 0x05, (u8)ctrl->val);