linux-kernel - Re: [PATCH] ASoc: Intel: glk_rt5682_max98357a: support ALC5682I-VS codec

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Date:   Thu, 28 Oct 2021 08:58:00 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Brent Lu <brent.lu@...el.com>, alsa-devel@...a-project.org
Cc:     Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Rander Wang <rander.wang@...el.com>,
        linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Paul Olaru <paul.olaru@....nxp.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Julian Braha <julianbraha@...il.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Subject: Re: [PATCH] ASoc: Intel: glk_rt5682_max98357a: support ALC5682I-VS
 codec




> @@ -592,12 +610,29 @@ static int geminilake_audio_probe(struct platform_device *pdev)
>  	struct snd_soc_acpi_mach *mach;
>  	const char *platform_name;
>  	struct snd_soc_card *card;
> -	int ret;
> +	int ret, i;
>  
>  	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
>  	if (!ctx)
>  		return -ENOMEM;
>  
> +	/* Detect the headset codec variant */
> +	if (acpi_dev_present("RTL5682", NULL, -1)) {
> +		/* ALC5682I-VS is detected */
> +		ctx->is_rt5682s = 1;
> +
> +		for (i = 0; i < glk_audio_card_rt5682_m98357a.num_links; i++) {
> +			if (strcmp(geminilake_dais[i].name, "SSP2-Codec"))
> +				continue;
> +
> +			/* update the dai link to use rt5682s codec */
> +			geminilake_dais[i].codecs = ssp2_codec_5682s;
> +			geminilake_dais[i].num_codecs = ARRAY_SIZE(ssp2_codec_5682s);
> +			break;
> +		}
> +	} else
> +		ctx->is_rt5682s = 0;
> +

nit-pick: this branch is not required, the field is already reset with
kzalloc().

>  	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
>  
>  	card = &glk_audio_card_rt5682_m98357a;
> diff --git a/sound/soc/intel/common/soc-acpi-intel-glk-match.c b/sound/soc/intel/common/soc-acpi-intel-glk-match.c
> index 32fff9389eb3..4de4add74443 100644
> --- a/sound/soc/intel/common/soc-acpi-intel-glk-match.c
> +++ b/sound/soc/intel/common/soc-acpi-intel-glk-match.c
> @@ -40,6 +40,15 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_glk_machines[] = {
>  		.sof_fw_filename = "sof-glk.ri",
>  		.sof_tplg_filename = "sof-glk-rt5682.tplg",
>  	},
> +	{
> +		.id = "RTL5682",
> +		.drv_name = "glk_rt5682_max98357a",
> +		.fw_filename = "intel/dsp_fw_glk.bin",

Have you actually tested with this firmware? if not, it's probably
better not to list it as an option.

> +		.machine_quirk = snd_soc_acpi_codec_list,
> +		.quirk_data = &glk_codecs,
> +		.sof_fw_filename = "sof-glk.ri",
> +		.sof_tplg_filename = "sof-glk-rt5682.tplg",
> +	},
>  	{
>  		.id = "10134242",
>  		.drv_name = "glk_cs4242_mx98357a",
>