ASoC: dwc: Register components with managed interface

Register SOC component using managed interface to
simplify error handling and future introduction of
device tree.

Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c
index a6327cc..1b9b18b 100644
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -481,7 +481,7 @@
 		return ret;
 
 	dev_set_drvdata(&pdev->dev, dev);
-	ret = snd_soc_register_component(&pdev->dev, &dw_i2s_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &dw_i2s_component,
 					 dw_i2s_dai, 1);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "not able to register dai\n");
@@ -499,7 +499,6 @@
 {
 	struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_component(&pdev->dev);
 	clk_disable_unprepare(dev->clk);
 
 	return 0;