iio: dac: Convert ad5380 to devm_regmap_* APIs

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c
index 5dfb445..14991ac 100644
--- a/drivers/iio/dac/ad5380.c
+++ b/drivers/iio/dac/ad5380.c
@@ -373,7 +373,7 @@
 	if (indio_dev == NULL) {
 		dev_err(dev, "Failed to allocate iio device\n");
 		ret = -ENOMEM;
-		goto error_regmap_exit;
+		goto error_out;
 	}
 
 	st = iio_priv(indio_dev);
@@ -436,8 +436,7 @@
 	kfree(indio_dev->channels);
 error_free:
 	iio_device_free(indio_dev);
-error_regmap_exit:
-	regmap_exit(regmap);
+error_out:
 
 	return ret;
 }
@@ -456,7 +455,6 @@
 		regulator_put(st->vref_reg);
 	}
 
-	regmap_exit(st->regmap);
 	iio_device_free(indio_dev);
 
 	return 0;
@@ -485,7 +483,7 @@
 	const struct spi_device_id *id = spi_get_device_id(spi);
 	struct regmap *regmap;
 
-	regmap = regmap_init_spi(spi, &ad5380_regmap_config);
+	regmap = devm_regmap_init_spi(spi, &ad5380_regmap_config);
 
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);
@@ -559,7 +557,7 @@
 {
 	struct regmap *regmap;
 
-	regmap = regmap_init_i2c(i2c, &ad5380_regmap_config);
+	regmap = devm_regmap_init_i2c(i2c, &ad5380_regmap_config);
 
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);