ASoC: omap-abe-twl6040: Use devm_snd_soc_register_card()

Using devm_snd_soc_register_card() can make the code
shorter and cleaner.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/omap/omap-abe-twl6040.c

@@ -305,23 +305,14 @@ static int omap_abe_probe(struct platform_device *pdev)
 
 	snd_soc_card_set_drvdata(card, priv);
 
-	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",
+		dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
 			ret);
 
 	return ret;
 }
 
-static int omap_abe_remove(struct platform_device *pdev)
-{
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
-
-	snd_soc_unregister_card(card);
-
-	return 0;
-}
-
 static const struct of_device_id omap_abe_of_match[] = {
 	{.compatible = "ti,abe-twl6040", },
 	{ },
@@ -335,7 +326,6 @@ static struct platform_driver omap_abe_driver = {
 		.of_match_table = omap_abe_of_match,
 	},
 	.probe = omap_abe_probe,
-	.remove = omap_abe_remove,
 };
 
 static int __init omap_abe_init(void)