max597x_regmap_read_clear
ret = max597x_regmap_read_clear(d->regmap, MAX5970_REG_FAULT0, &val);
ret = max597x_regmap_read_clear(d->regmap, MAX5970_REG_FAULT1, &val);
ret = max597x_regmap_read_clear(d->regmap, MAX5970_REG_FAULT2, &val);