RX8130_REG_CONTROL0
return regmap_write(ds1307->regmap, RX8130_REG_CONTROL0, ctl[2]);
ret = regmap_read(ds1307->regmap, RX8130_REG_CONTROL0, ®);
return regmap_write(ds1307->regmap, RX8130_REG_CONTROL0, reg);