ISL7998X_REG_P0_PRODUCT_ID_CODE
regmap_reg_range(ISL7998X_REG_P0_PRODUCT_ID_CODE,
regmap_reg_range(ISL7998X_REG_P0_PRODUCT_ID_CODE,
ISL7998X_REG_P0_PRODUCT_ID_CODE),
ISL7998X_REG_P0_PRODUCT_ID_CODE, &chip_id);