RC5T583_RTC_CTL2
ret = regmap_read(rc5t583->regmap, RC5T583_RTC_CTL2, &rtc_reg);
ret = regmap_write(rc5t583->regmap, RC5T583_RTC_CTL2, rtc_reg);
ret = regmap_write(rc5t583->regmap, RC5T583_RTC_CTL2, 0);