linux-kernel - Re: [PATCH v2 1/2] ASoC: Intel: maxim-common: get codec number from ACPI

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Date:   Wed, 26 Jul 2023 19:27:43 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Brent Lu <brent.lu@...el.com>
Cc:     alsa-devel@...a-project.org,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, linux-kernel@...r.kernel.org,
        Ajye Huang <ajye_huang@...pal.corp-partner.google.com>,
        Yong Zhi <yong.zhi@...el.com>,
        Terry Cheong <htcheong@...omium.org>,
        Uday M Bhat <uday.m.bhat@...el.com>,
        Mac Chiang <mac.chiang@...el.com>,
        "Dharageswari . R" <dharageswari.r@...el.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        ye xingchen <ye.xingchen@....com.cn>
Subject: Re: [PATCH v2 1/2] ASoC: Intel: maxim-common: get codec number from
 ACPI

On Wed, Jul 26, 2023 at 10:08:47PM +0800, Brent Lu wrote:
> Implement a helper function to get number of codecs from ACPI
> subsystem to remove the need of quirk flag in machine driver.

...

> +void max_98390_dai_link(struct snd_soc_dai_link *link)
> +{
> +	unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
> +
> +	link->codecs = max_98390_components;
> +
> +	switch (num_codecs) {
> +	case 2:
> +	case 4:
> +		link->num_codecs = num_codecs;
> +		break;
> +	default:

> +		pr_err("invalid codec number %d for %s\n", num_codecs,
> +			MAX_98390_ACPI_HID);

I believe you have struct device pointer available, use dev_err().

> +		break;
> +	}
> +
> +	link->init = max_98390_init;
> +	link->ops = &max_98390_ops;
> +}

...

> +void max_98390_set_codec_conf(struct snd_soc_card *card)
>  {
> +	unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
> +
> +	card->codec_conf = max_98390_codec_conf;
> +
> +	switch (num_codecs) {
> +	case 2:
> +	case 4:
> +		card->num_configs = num_codecs;
> +		break;
> +	default:
> +		pr_err("invalid codec number %d for %s\n", num_codecs,
> +			MAX_98390_ACPI_HID);

Ditto.

> +		break;
>  	}
>  }

-- 
With Best Regards,
Andy Shevchenko