BMG160_REG_PMU_BW
ret = regmap_write(data->regmap, BMG160_REG_PMU_BW, bw_bits);
ret = regmap_read(data->regmap, BMG160_REG_PMU_BW, &bw_bits);
ret = regmap_write(data->regmap, BMG160_REG_PMU_BW,
ret = regmap_read(data->regmap, BMG160_REG_PMU_BW, &bw_bits);