Re: [PATCH 10/18] ASoc: mediatek: mt8365: Add a specific soundcard for EVK

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On 26/02/2024 15:01, amergnat@xxxxxxxxxxxx wrote:
> From: Nicolas Belin <nbelin@xxxxxxxxxxxx>
> 
> Add a specific soundcard for mt8365-evk. It supports audio jack
> in/out, dmics, the amic and lineout.
> 
> Signed-off-by: Nicolas Belin <nbelin@xxxxxxxxxxxx>
> Signed-off-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx>


...

> +static int mt8365_mt6357_dev_probe(struct platform_device *pdev)
> +{
> +	struct snd_soc_card *card = &mt8365_mt6357_card;
> +	struct device *dev = &pdev->dev;
> +	struct device_node *platform_node;
> +	struct mt8365_mt6357_priv *priv;
> +	int i, ret;
> +
> +	card->dev = dev;
> +	ret = parse_dai_link_info(card);
> +	if (ret)
> +		goto err;
> +
> +	platform_node = of_parse_phandle(dev->of_node, "mediatek,platform", 0);
> +	if (!platform_node) {
> +		dev_err(dev, "Property 'platform' missing or invalid\n");
> +		return -EINVAL;
> +	}
> +
> +	for (i = 0; i < card->num_links; i++) {
> +		if (mt8365_mt6357_dais[i].platforms->name)
> +			continue;
> +		mt8365_mt6357_dais[i].platforms->of_node = platform_node;
> +	}
> +
> +	priv = devm_kzalloc(dev, sizeof(struct mt8365_mt6357_priv),
> +			    GFP_KERNEL);
> +	if (!priv) {
> +		ret = -ENOMEM;
> +		dev_err(dev, "%s allocate card private data fail %d\n",
> +			__func__, ret);

Don't print anything on memory allocations failures.

Run coccinelle/coccicheck to detect such trivial issues.

> +		return ret;
> +	}
> +
> +	snd_soc_card_set_drvdata(card, priv);
> +
> +	mt8365_mt6357_gpio_probe(card);
> +
> +	ret = devm_snd_soc_register_card(dev, card);
> +	if (ret)
> +		dev_err(dev, "%s snd_soc_register_card fail %d\n",
> +			__func__, ret);
> +err:
> +	of_node_put(platform_node);
> +	clean_card_reference(card);
> +	return ret;
> +}
> +
> +static const struct of_device_id mt8365_mt6357_dt_match[] = {
> +	{ .compatible = "mediatek,mt8365-mt6357", },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, mt8365_mt6357_dt_match);
> +
> +static struct platform_driver mt8365_mt6357_driver = {
> +	.driver = {
> +		   .name = "mt8365_mt6357",
> +		   .of_match_table = mt8365_mt6357_dt_match,
> +		   .pm = &snd_soc_pm_ops,
> +	},
> +	.probe = mt8365_mt6357_dev_probe,
> +};
> +
> +module_platform_driver(mt8365_mt6357_driver);
> +
> +/* Module information */
> +MODULE_DESCRIPTION("MT8365 EVK SoC machine driver");
> +MODULE_AUTHOR("Nicolas Belin <nbelin@xxxxxxxxxxxx>");
> +MODULE_LICENSE("GPL");
> +MODULE_ALIAS("mt8365 mt6357 soc card");

This does not look like correct alias. Drop.

> 

Best regards,
Krzysztof





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