ASoC: pxa: Convert to devm_snd_soc_register_card

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
index 461123a..b002226 100644
--- a/sound/soc/pxa/spitz.c
+++ b/sound/soc/pxa/spitz.c
@@ -305,7 +305,7 @@
 
 	card->dev = &pdev->dev;
 
-	ret = snd_soc_register_card(card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
 			ret);
@@ -322,9 +322,6 @@
 
 static int spitz_remove(struct platform_device *pdev)
 {
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
 	gpio_free(spitz_mic_gpio);
 	return 0;
 }