R2B_MSM2
ret = regmap_write(dev->regmap, R2B_MSM2, 0x01);
ret = regmap_write(dev->regmap, R2B_MSM2, 0x01);
ret = regmap_write(dev->regmap, R2B_MSM2, 0x01);
ret = regmap_write(dev->regmap, R2B_MSM2, 0x01); /* go */
ret = regmap_write_bits(dev->regmap, R2B_MSM2, 0x04, 0x04);
regmap_reg_range(R2A_MSM1, R2B_MSM2),