[v5 3/4] ASoC: mediatek: mt8192: refactor for I2S8/I2S9 DAI links of headset

Tzung-Bi Shih tzungbi at kernel.org
Sun Mar 20 20:59:38 PDT 2022


On Sat, Mar 19, 2022 at 07:41:10PM +0800, Jiaxin Yu wrote:
> @@ -1145,6 +1140,13 @@ static int mt8192_mt6359_dev_probe(struct platform_device *pdev)
>  		goto err_speaker_codec;
>  	}
>  
> +	headset_codec = of_get_child_by_name(pdev->dev.of_node, "mediatek,headset-codec");
> +	if (!headset_codec) {
> +		ret = -EINVAL;
> +		dev_err_probe(&pdev->dev, ret, "Property 'headset_codec' missing or invalid\n");
> +		goto err_headset_codec;
> +	}

(to be neat) Does it have any reason to prevent from using of_parse_phandle()
but of_get_child_by_name()?



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