DS1337_REG_STATUS
ret = regmap_read(ds1307->regmap, DS1337_REG_STATUS, &stat);
regmap_write(ds1307->regmap, DS1337_REG_STATUS, stat);
ret = regmap_update_bits(ds1307->regmap, DS1337_REG_STATUS,
ret = regmap_read(ds1307->regmap, DS1337_REG_STATUS, &status);
ret = regmap_read(ds1307->regmap, DS1337_REG_STATUS, &tmp);
regmap_update_bits(ds1307->regmap, DS1337_REG_STATUS,