PCF8523_REG_CONTROL2
err = regmap_read(pcf8523->regmap, PCF8523_REG_CONTROL2, &value);
err = regmap_write(pcf8523->regmap, PCF8523_REG_CONTROL2, 0);
err = regmap_read(pcf8523->regmap, PCF8523_REG_CONTROL2, &value);
regmap_write(pcf8523->regmap, PCF8523_REG_CONTROL2, value);