iio: gyro: bmg160_core: Simplify using devm_regulator_*get_enable()

Use devm_regulator_bulk_get_enable() instead of open coded bulk-get,
bulk-enable, add-action-to-disable-at-detach - pattern.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/3fd11489356b1c73a3d7b4bd9dec7e12c9fe8788.1660934107.git.mazziesaccount@gmail.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/gyro/bmg160_core.c

@@ -93,7 +93,6 @@
 
 struct bmg160_data {
 	struct regmap *regmap;
-	struct regulator_bulk_data regulators[2];
 	struct iio_trigger *dready_trig;
 	struct iio_trigger *motion_trig;
 	struct iio_mount_matrix orientation;
@@ -1067,16 +1066,10 @@ static const char *bmg160_match_acpi_device(struct device *dev)
 	return dev_name(dev);
 }
 
-static void bmg160_disable_regulators(void *d)
-{
-	struct bmg160_data *data = d;
-
-	regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators);
-}
-
 int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
 		      const char *name)
 {
+	static const char * const regulators[] = { "vdd", "vddio" };
 	struct bmg160_data *data;
 	struct iio_dev *indio_dev;
 	int ret;
@@ -1090,22 +1083,11 @@ int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
 	data->irq = irq;
 	data->regmap = regmap;
 
-	data->regulators[0].supply = "vdd";
-	data->regulators[1].supply = "vddio";
-	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->regulators),
-				      data->regulators);
+	ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(regulators),
+					     regulators);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to get regulators\n");
 
-	ret = regulator_bulk_enable(ARRAY_SIZE(data->regulators),
-				    data->regulators);
-	if (ret)
-		return ret;
-
-	ret = devm_add_action_or_reset(dev, bmg160_disable_regulators, data);
-	if (ret)
-		return ret;
-
 	ret = iio_read_mount_matrix(dev, &data->orientation);
 	if (ret)
 		return ret;