VEML6040_CONF_REG
VEML6040_CONF_REG,
regmap_update_bits(veml6040_data->regmap, VEML6040_CONF_REG,
ret = regmap_write(regmap, VEML6040_CONF_REG, init_config);
ret = regmap_read(regmap, VEML6040_CONF_REG, ®);