linux-kernel - Re: [PATCH 3/6] ASoC: amd: SND_SOC_RT5682

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Message-ID: <20200728120700.GA5055@sirena.org.uk>
Date:   Tue, 28 Jul 2020 13:07:00 +0100
From:   Mark Brown <broonie@...nel.org>
To:     "RAVULAPATI, VISHNU VARDHAN RAO" 
        <Vishnuvardhanrao.Ravulapati@....com>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>, Arnd Bergmann <arnd@...db.de>,
        open list <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>,
        Takashi Iwai <tiwai@...e.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        "Mukunda, Vijendar" <Vijendar.Mukunda@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Agrawal, Akshu" <Akshu.Agrawal@....com>
Subject: Re: [PATCH 3/6] ASoC: amd: SND_SOC_RT5682_I2C does not build rt5682

On Tue, Jul 28, 2020 at 06:59:50AM +0000, RAVULAPATI, VISHNU VARDHAN RAO wrote:

> So Actually for rt5682 codec Now in 5.8 there are three flags :
> SND_SOC_RT5682
> SND_SOC_RT5682_I2C
> SND_SOC_RT5682_SDW

> But till 5.7.8 we have
> SND_SOC_RT5682
> SND_SOC_RT5682_SDW

> So in our design we were using SND_SOC_RT5682 which build snd_soc_rt5682.ko
> Creates the respective codec_dais as defined in that .ko

> If we use SND_SOC_RT5682_I2C we get snd_soc_rt5682_I2c.ko , it is not creating the expected codec_dai links.

Could you be more specific about the way in which "it is not creating
the expected codec_dai links" please?  What are you expecting to happen
and what happens instead?  Do you see any error messages for example?

> As there are three flags defined in codecs, I expect that previous one which we were using(SND_SOC_RT5682) is not a wrong flag and I expect to use
> SND_SOC_RT5682 as it is still available.

Given that the core module does not register with any bus it is
difficult to see how that could possibly work - the core module doesn't
contain a driver at all.  Have you tested this change?

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