RE: [PATCH v2] ASoC: Intel: boards: add max98390 2/4 speakers support

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> I don't quite follow the initialization part. In the 4-ch case, you will setup
> control and widgets but...
> 
> > +int max_98390_spk_codec_init(struct snd_soc_pcm_runtime *rtd) {
> > +	struct snd_soc_card *card = rtd->card;
> > +	int ret;
> > +
> > +	ret = snd_soc_dapm_new_controls(&card->dapm,
> max_98390_tt_dapm_widgets,
> > +
> 	ARRAY_SIZE(max_98390_tt_dapm_widgets));
> > +	if (ret) {
> > +		dev_err(rtd->dev, "unable to add dapm controls, ret %d\n",
> ret);
> > +		/* Don't need to add routes if widget addition failed */
> > +		return ret;
> > +	}
> > +
> > +	ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols,
> > +
> 	ARRAY_SIZE(max_98390_tt_kcontrols));
> > +	if (ret) {
> > +		dev_err(rtd->dev, "unable to add card controls, ret %d\n",
> ret);
> > +		return ret;
> > +	}
> > +
> > +	ret = snd_soc_dapm_add_routes(&card->dapm,
> max_98373_dapm_routes,
> > +
> 	ARRAY_SIZE(max_98373_dapm_routes));
> > +	if (ret) {
> > +		dev_err(rtd->dev, "Speaker Left, Right  map addition failed:
> %d\n", ret);
> > +		return ret;
> > +	}
> > +
> > +	ret = snd_soc_dapm_add_routes(&card->dapm,
> max_98390_tt_dapm_routes,
> > +
> 	ARRAY_SIZE(max_98390_tt_dapm_routes));
> > +	if (ret)
> > +		dev_err(rtd->dev, "Tweeter Speaker Left, Right map addition
> failed:
> > +%d\n", ret);
> > +
> > +	return ret;
> > +}
> > +EXPORT_SYMBOL_NS(max_98390_spk_codec_init,
> > +SND_SOC_INTEL_SOF_MAXIM_COMMON);
> 
> > @@ -745,6 +778,21 @@ static struct snd_soc_dai_link
> *sof_card_dai_links_create(struct device *dev,
> >  		} else if (sof_rt5682_quirk &
> >  				SOF_RT1011_SPEAKER_AMP_PRESENT) {
> >  			sof_rt1011_dai_link(&links[id]);
> > +		} else if (sof_rt5682_quirk &
> > +				SOF_MAX98390_SPEAKER_AMP_PRESENT) {
> > +			if (sof_rt5682_quirk &
> > +
> 	SOF_MAX98390_TWEETER_SPEAKER_PRESENT) {
> > +				links[id].codecs =
> max_98390_4spk_components;
> > +				links[id].num_codecs =
> ARRAY_SIZE(max_98390_4spk_components);
> > +				links[id].init = max_98390_spk_codec_init;
> > +			} else {
> > +				links[id].codecs = max_98390_components;
> > +				links[id].num_codecs =
> ARRAY_SIZE(max_98390_components);
> > +				links[id].init = max_98373_spk_codec_init;
> > +			}
> 
> ... in the 2 ch case you use this function
> 
> int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd) {
> 	struct snd_soc_card *card = rtd->card;
> 	int ret;
> 
> 	ret = snd_soc_dapm_add_routes(&card->dapm,
> max_98373_dapm_routes,
> 				      ARRAY_SIZE(max_98373_dapm_routes));
> 	if (ret)
> 		dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
> 	return ret;
> }
> 
> which only adds routes. Isn't there a need for widgets/controls for the
> 2 channel case as well?
2 channels controls/widgets already exist in sof_controls[] and sof_widgets[] from sof_rt5682.c
> 
> It's also not good practice to mix the initialization of max98090 with a
> function with an explicit 98373 prefix. it's hard to maintain and error-prone.
> You might as well duplicate the function, if it's not used it will be removed
> while linking. 
I am not sure whether I understand your suggestions.
When both using links[id].init = max_98390_spk_codec_init;
I can only think out add 2 spk dapm initially then check if 4 codec existing by using acpi_dev_present with uid.
If no good, any example I can refer to?

int max_98390_spk_codec_init(struct snd_soc_pcm_runtime *rtd, int num_amps)
{
        struct snd_soc_card *card = rtd->card;
        int ret;

        ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_dapm_routes,
                                        ARRAY_SIZE(max_98390_dapm_routes));
 	if (ret)
 		dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);

        if (acpi_dev_present("MX98390", "3", -1)) {
            ret = snd_soc_dapm_new_controls(&card->dapm, max_98390_tt_dapm_widgets,
                                                             ARRAY_SIZE(max_98390_tt_dapm_widgets));
	if (ret) {
	        dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
	        /* Don't need to add routes if widget addition failed */
	        return ret;
	}
	
	ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols,
	                                        ARRAY_SIZE(max_98390_tt_kcontrols));
	if (ret) {
	        dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
	        return ret;
	}
	
	ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_tt_dapm_routes,
	                                        ARRAY_SIZE(max_98390_tt_dapm_routes));
	if (ret)
	        dev_err(rtd->dev, "Tweeter Speaker Left, Right map addition failed: %d\n", ret);
        }
        return ret;
} 
> > +			links[id].ops = &max_98390_ops;
> > +			links[id].dpcm_capture = 1;
> > +
> >  		} else {
> >  			max_98357a_dai_link(&links[id]);
> >  		}
> > @@ -881,6 +929,14 @@ static int sof_audio_probe(struct platform_device
> *pdev)
> >  		sof_rt1011_codec_conf(&sof_audio_card_rt5682);
> >  	else if (sof_rt5682_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT)
> >  		sof_rt1015p_codec_conf(&sof_audio_card_rt5682);
> > +	else if (sof_rt5682_quirk & SOF_MAX98390_SPEAKER_AMP_PRESENT)
> {
> > +		if (sof_rt5682_quirk &
> SOF_MAX98390_TWEETER_SPEAKER_PRESENT)
> > +
> 	max_98390_set_codec_conf(&sof_audio_card_rt5682,
> > +
> 	ARRAY_SIZE(max_98390_4spk_components));
> > +		else
> > +
> 	max_98390_set_codec_conf(&sof_audio_card_rt5682,
> > +
> 	ARRAY_SIZE(max_98390_components));
> > +	}
> >
> >  	if (sof_rt5682_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
> >  		sof_audio_card_rt5682.num_links++;
> > @@ -1007,6 +1063,18 @@ static const struct platform_device_id
> board_ids[] = {
> >  					SOF_RT5682_SSP_AMP(2) |
> >  					SOF_RT5682_NUM_HDMIDEV(4)),
> >  	},
> > +	{
> > +		.name = "adl_max98390_rt5682",
> > +		.driver_data = (kernel_ulong_t)(SOF_RT5682_MCLK_EN |
> > +					SOF_RT5682_SSP_CODEC(0) |
> > +					SOF_SPEAKER_AMP_PRESENT |
> > +
> 	SOF_MAX98390_SPEAKER_AMP_PRESENT |
> > +					SOF_RT5682_SSP_AMP(1) |
> > +					SOF_RT5682_NUM_HDMIDEV(4) |
> > +					SOF_BT_OFFLOAD_SSP(2) |
> > +					SOF_SSP_BT_OFFLOAD_PRESENT),
> > +	},
> > +
> >  	{ }
> >  };
> >  MODULE_DEVICE_TABLE(platform, board_ids); @@ -1026,6 +1094,7 @@
> > MODULE_DESCRIPTION("SOF Audio Machine driver");
> MODULE_AUTHOR("Bard
> > Liao <bard.liao@xxxxxxxxx>");  MODULE_AUTHOR("Sathya Prakash M R
> > <sathya.prakash.m.r@xxxxxxxxx>");  MODULE_AUTHOR("Brent Lu
> > <brent.lu@xxxxxxxxx>");
> > +MODULE_AUTHOR("Mac Chiang <mac.chiang@xxxxxxxxx>");
> >  MODULE_LICENSE("GPL v2");
> >  MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
> >  MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
> > diff --git a/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> > b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> > index a0f6a69c7038..2db152998e4a 100644
> > --- a/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> > +++ b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> > @@ -280,6 +280,11 @@ static const struct snd_soc_acpi_codecs
> adl_max98357a_amp = {
> >  	.codecs = {"MX98357A"}
> >  };
> >
> > +static const struct snd_soc_acpi_codecs adl_max98390_amp = {
> > +	.num_codecs = 1,
> > +	.codecs = {"MX98390"}
> > +};
> > +
> >  struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
> >  	{
> >  		.id = "10EC5682",
> > @@ -297,6 +302,14 @@ struct snd_soc_acpi_mach
> snd_soc_acpi_intel_adl_machines[] = {
> >  		.sof_fw_filename = "sof-adl.ri",
> >  		.sof_tplg_filename = "sof-adl-max98357a-rt5682.tplg",
> >  	},
> > +	{
> > +		.id = "10EC5682",
> > +		.drv_name = "adl_max98390_rt5682",
> > +		.machine_quirk = snd_soc_acpi_codec_list,
> > +		.quirk_data = &adl_max98390_amp,
> > +		.sof_fw_filename = "sof-adl.ri",
> > +		.sof_tplg_filename = "sof-adl-max98390-rt5682.tplg",
> > +	},
> >  	{},
> >  };
> >  EXPORT_SYMBOL_GPL(snd_soc_acpi_intel_adl_machines);
> > diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
> > index bc9e70765678..be90a5f79766 100644
> > --- a/sound/soc/sof/sof-pci-dev.c
> > +++ b/sound/soc/sof/sof-pci-dev.c
> > @@ -59,6 +59,15 @@ static const struct dmi_system_id sof_tplg_table[] =
> {
> >  		},
> >  		.driver_data = "sof-adl-rt5682-ssp0-max98373-ssp2.tplg",
> >  	},
> > +	{
> > +		.callback = sof_tplg_cb,
> > +		.matches = {
> > +			DMI_MATCH(DMI_PRODUCT_FAMILY,
> "Google_Brya"),
> > +			DMI_MATCH(DMI_OEM_STRING, "AUDIO-
> MAX98390_ALC5682I_I2S"),
> > +		},
> > +		.driver_data = "sof-adl-max98390-ssp2-rt5682-ssp0.tplg",
> > +	},
> > +
> 
> I am still relatively confused since you still have two alternatives for topology
> but you described three configurations.
3rd hw board without quirk, so it is applying SSP1 2 speakers which declare in board_id[]. 

        {
                .name = "adl_max98390_rt5682",
                .driver_data = (kernel_ulong_t)(SOF_RT5682_MCLK_EN |
                                        SOF_RT5682_SSP_CODEC(0) |
                                        SOF_SPEAKER_AMP_PRESENT |
                                        SOF_MAX98390_SPEAKER_AMP_PRESENT |
                                        SOF_RT5682_SSP_AMP(1) |
                                        SOF_RT5682_NUM_HDMIDEV(4) |
                                        SOF_BT_OFFLOAD_SSP(2) |
                                        SOF_SSP_BT_OFFLOAD_PRESENT),
        },




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