[alsa-devel] [PATCH v2 1/2] ASoC: rockchip: Add machine driver for max98090 codec

[Xing Zheng]

On 2015年07月18日 17:16, Mark Brown wrote:
> 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.
Got it. Thank you.