linux-kernel - Re: [PATCH 2/3] ASoC: codecs: Add support for the Renesas IDT821034 codec

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Message-ID: <Y8FVz/Mp5xSdI34a@sirena.org.uk>
Date:   Fri, 13 Jan 2023 12:59:59 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Herve Codina <herve.codina@...tlin.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 2/3] ASoC: codecs: Add support for the Renesas IDT821034
 codec

On Fri, Jan 13, 2023 at 09:04:31AM +0100, Herve Codina wrote:

> For DAPM (struct snd_soc_dapm_widget), no kind of .put() and .get()
> are available. I will use some Ids for the 'reg' value and use the
> .write() and .read() hooks available in struct snd_soc_component_driver
> in order to handle these Ids and so perform the accesses.

That's what the event hooks are for - there's plenty of widgets using
SND_SOC_NOPM as the register, look at those for examples.

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