On Sat, Jul 18, 2015 at 01:08:43PM +0800, Xing Zheng wrote:
> + ret = devm_snd_soc_register_card(&pdev->dev, card);
> + if (ret) {
> + dev_err(&pdev->dev,
> + "Soc register card failed %d\n", ret);
> + return ret;
> + }
> +
> + return ret;
> +}
> +
> +static int snd_rk_mc_remove(struct platform_device *pdev)
> +{
> + struct snd_soc_card *soc_card = platform_get_drvdata(pdev);
> +
> + snd_soc_unregister_card(soc_card);The point with using devm_snd_soc_register_card() is that you don't need to manually unregister the card - devm_ ensures that the card is freed.
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