linux-kernel - Re: [PATCH 2/3] ASoC: cs4234: Add support for Cirrus Logic CS4234 codec

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Date:   Fri, 25 Sep 2020 17:41:29 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Richard Fitzgerald <rf@...nsource.cirrus.com>
Cc:     robh+dt@...nel.org, patches@...nsource.cirrus.com,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Lucas Tanure <tanureal@...nsource.cirrus.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>
Subject: Re: [PATCH 2/3] ASoC: cs4234: Add support for Cirrus Logic CS4234
 codec

On Fri, Sep 25, 2020 at 11:59:07AM +0100, Richard Fitzgerald wrote:

This looks very good, a couple of small nits below which should be easy
to address:

> @@ -282,7 +283,6 @@ config SND_SOC_ALL_CODECS
>  	  uses them is also built since they are only usable with a machine
>  	  driver.  Selecting this option will allow these drivers to be built
>  	  without an explicit machine driver for test and development purposes.
> -
>  	  Support for the bus types used to access the codecs to be built must
>  	  be selected separately.
>  

Unrelated whitespace change.

> +static int cs4234_i2c_remove(struct i2c_client *i2c_client)
> +{
> +	struct cs4234 *cs4234 = i2c_get_clientdata(i2c_client);
> +
> +	pm_runtime_disable(&i2c_client->dev);
> +	cs4234_shutdown(cs4234);

You used devm_snd_soc_register_component() which means that you won't
unregister utill after this force powered down the device which isn't
great - you should use snd_soc_register_component() and manually
unregister here before force powering the device down.

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