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From:   Tzung-Bi Shih <tzungbi@google.com>
Date:   Mon, 17 Aug 2020 13:21:53 +0800
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Subject: Re: [PATCH v4 1/2] ASoC: mediatek: mt6359: add codec driver
To:     Jiaxin Yu <jiaxin.yu@mediatek.com>
Cc:     Mark Brown <broonie@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Takashi Iwai <tiwai@suse.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        ALSA development <alsa-devel@alsa-project.org>,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, howie.huang@mediatek.com,
        eason.yen@mediatek.com, shane.chien@mediatek.com,
        bicycle.tasi@mediatek.com
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On Sun, Aug 16, 2020 at 1:20 AM Jiaxin Yu <jiaxin.yu@mediatek.com> wrote:
>
> +static int mt6359_platform_driver_probe(struct platform_device *pdev)
[snip]
> +
> +       return devm_snd_soc_register_component(&pdev->dev,
> +                                              &mt6359_soc_component_driver,
> +                                              mt6359_dai_driver,
> +                                              ARRAY_SIZE(mt6359_dai_driver));
> +}
> +
> +static int mt6359_platform_driver_remove(struct platform_device *pdev)
> +{
> +       struct mt6359_priv *priv = dev_get_drvdata(&pdev->dev);
> +       int ret;
> +
> +       dev_dbg(&pdev->dev, "%s(), dev name %s\n",
> +               __func__, dev_name(&pdev->dev));
> +
> +       ret = regulator_disable(priv->avdd_reg);
> +       if (ret) {
> +               dev_err(&pdev->dev, "%s(), failed to disable regulator!\n",
> +                       __func__);
> +               return ret;
> +       }
> +
> +       snd_soc_unregister_component(&pdev->dev);

You don't need to unregister the component which is already delegated to devm.