linux-kernel - Re: [PATCH] ASoC: max98373: Added Amplifier Driver

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Date:   Mon, 25 Dec 2017 23:17:29 +0000
From:   Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:     Ryan Lee <RyanS.Lee@...imintegrated.com>
Cc:     "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
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        "perex@...ex.cz" <perex@...ex.cz>,
        "tiwai@...e.com" <tiwai@...e.com>, "arnd@...db.de" <arnd@...db.de>,
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        "robert.jarzmik@...e.fr" <robert.jarzmik@...e.fr>,
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        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ryan.lee.maxim@...il.com" <ryan.lee.maxim@...il.com>
Subject: Re: [PATCH] ASoC: max98373: Added Amplifier Driver


Hi Ryan

> >About this max98373->codec.
> >This user is only max98373_set_clock(), and it is called from
> >max98373_dai_hw_params().
> >You are getting *codec from dai->codec in this function, and max98373 is
> >came from it.
> >This means, we can remove max98373->codec ?
> 
> Thanks for your feedback.
> I will remove max98373->codec and change related things.

Thanks

> I'm sorry but I don't fully understand the benefit of this.
> Keeping regmap information in private driver data is very common and I can see many ASoC drivers are using it.
> I was able to see only a few driver use ' snd_soc_component_read'.
> I would like to keep regmap_read/write if it is still acceptable.

I checked other drivers.
Having private regmap seems a little bit duplicate for me,
because we can get it from component or dev.
But sometimes, in some drivers, it seems can be difficult.
Sorry for my noise.

Best regards
---
Kuninori Morimoto