linux-kernel - Re: [PATCH v3 11/12] ASoC: codecs: Add support for the generic IIO auxiliary devices

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Message-ID: <CAHp75Vd0SNY6XgKwS5j74VftY46MDQ9=Zc3wXwGLOiMc_ZX8Ow@mail.gmail.com>
Date:   Tue, 13 Jun 2023 16:24:58 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Herve Codina <herve.codina@...tlin.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v3 11/12] ASoC: codecs: Add support for the generic IIO
 auxiliary devices

On Tue, Jun 13, 2023 at 12:37 PM Herve Codina <herve.codina@...tlin.com> wrote:
> On Mon, 12 Jun 2023 17:37:00 +0300
> Andy Shevchenko <andy.shevchenko@...il.com> wrote:

...

> > > +       struct snd_kcontrol_new control = {0};
> >
> > 0 is not needed.
>
> Not for this one.
>
> The variable is in stack.
> Some of the structure members will be set in the code but we need to ensure
> that all others are set to 0.

Yes, and as I said, 0 is not needed. Compiler assumes that if you just
use plain {}.

-- 
With Best Regards,
Andy Shevchenko