MT6660_REG_DEVID
SOC_SINGLE_EXT("Chip Rev", MT6660_REG_DEVID, 8, 15, 0,
{ MT6660_REG_DEVID, 2 },
ret = regmap_read(chip->regmap, MT6660_REG_DEVID, &val);
ret = regmap_read(chip->regmap, MT6660_REG_DEVID, &val);