RICOH_ONOFFSEL_REG
ret = rc5t583_set_bits(dev, RICOH_ONOFFSEL_REG, BIT(2));
ret = rc5t583_write(rc5t583->dev, RICOH_ONOFFSEL_REG, on_off_val);
RICOH_ONOFFSEL_REG, ret);
ret = rc5t583_set_bits(dev, RICOH_ONOFFSEL_REG, BIT(1));
RICOH_ONOFFSEL_REG);