ASoC: wm8903: Convert to devm_regmap_init_i2c()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 304b5cf..3abd450 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -2124,7 +2124,7 @@
 		return -ENOMEM;
 	wm8903->dev = &i2c->dev;
 
-	wm8903->regmap = regmap_init_i2c(i2c, &wm8903_regmap);
+	wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);
 	if (IS_ERR(wm8903->regmap)) {
 		ret = PTR_ERR(wm8903->regmap);
 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
@@ -2191,7 +2191,6 @@
 
 	return 0;
 err:
-	regmap_exit(wm8903->regmap);
 	return ret;
 }
 
@@ -2200,7 +2199,6 @@
 	struct wm8903_priv *wm8903 = i2c_get_clientdata(client);
 
 	wm8903_free_gpio(wm8903);
-	regmap_exit(wm8903->regmap);
 	snd_soc_unregister_codec(&client->dev);
 
 	return 0;