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 10:52:53 +0200
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     "Lu, Brent" <brent.lu@...el.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>
Cc:     "Rojewski, Cezary" <cezary.rojewski@...el.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" <linux-kernel@...r.kernel.org>,
        Ajye Huang <ajye_huang@...pal.corp-partner.google.com>,
        "Zhi, Yong" <yong.zhi@...el.com>,
        Terry Cheong <htcheong@...omium.org>,
        "Bhat, Uday M" <uday.m.bhat@...el.com>,
        "Chiang, Mac" <mac.chiang@...el.com>,
        "R, Dharageswari" <dharageswari.r@...el.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        ye xingchen <ye.xingchen@....com.cn>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v2 1/2] ASoC: Intel: maxim-common: get codec number from
 ACPI

On 7/26/23 10:33 AM, Lu, Brent wrote:
> 
>>>    const struct snd_soc_dapm_route max_98373_dapm_routes[] = { @@
>>> -168,17 +181,6 @@ static struct snd_soc_codec_conf max_98390_codec_conf[]
>> = {
>>>    		.dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),
>>>    		.name_prefix = "Left",
>>>    	},
>>> -};
>>> -
>>> -static struct snd_soc_codec_conf max_98390_4spk_codec_conf[] = {
>>> -	{
>>> -		.dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),
>>> -		.name_prefix = "Right",
>>> -	},
>>> -	{
>>> -		.dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),
>>> -		.name_prefix = "Left",
>>> -	},
>>
>> if you remove the codec conf, doesn't this impact the Kcontrols names?
>> Does this break existing UCM files?
>>
>> It's rather hard to review with just the diff.
>>
> 
> I just merge two arrays, max_98373_dapm_routes and max_98390_4spk_codec_conf,
> since the first two entries are the same.

Routes and codec conf are different things, not following how you can 
merge them?

Wondering if you are referring to a different array, i.e.

static struct snd_soc_codec_conf max_98390_codec_conf[]
	
static struct snd_soc_codec_conf max_98390_4spk_codec_conf[]

> 
> Later in max_98390_set_codec_conf() function we will set the num_configs with
> number of amplifiers.
> 
> 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;
> 
> Regards,
> Brent
>