power: bq24190: add get_current_limit

drivers/power/supply/bq24190_charger.c

@@ -611,6 +611,29 @@ out:
 }
 
 #ifdef CONFIG_REGULATOR
+static int bq24190_get_charging_current(struct regulator_dev *dev)
+{
+	struct bq24190_dev_info *bdi = rdev_get_drvdata(dev);
+	int in_current_limit;
+	int ret;
+
+	dev_info(bdi->dev, "Getting charging current\n");
+
+	ret = bq24190_get_field_val(bdi, BQ24190_REG_ISC,
+			BQ24190_REG_ISC_IINLIM_MASK,
+			BQ24190_REG_ISC_IINLIM_SHIFT,
+			bq24190_isc_iinlim_values,
+			ARRAY_SIZE(bq24190_isc_iinlim_values),
+			&in_current_limit);
+	if (ret < 0)
+		goto error;
+
+	return in_current_limit;
+error:
+	dev_err(bdi->dev, "Charger enable failed, err = %d\n", ret);
+	return ret;
+}
+
 static int bq24190_set_charging_current(struct regulator_dev *dev,
 			int min_uA, int max_uA)
 {
@@ -645,6 +668,7 @@ error:
 }
 
 static const struct regulator_ops bq24190_chrg_ops = {
+	.get_current_limit = bq24190_get_charging_current,
 	.set_current_limit = bq24190_set_charging_current,
 };