linux-kernel - Re: [PATCH 1/2] ASoC: ops: fix signedness bug in snd_soc_put

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Message-ID: <YfPknO6si9CpotgS@sirena.org.uk>
Date:   Fri, 28 Jan 2022 12:42:04 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/2] ASoC: ops: fix signedness bug in snd_soc_put_volsw()

On Fri, Jan 28, 2022 at 02:20:07PM +0300, Dan Carpenter wrote:
> The "val" and "val2" variables need to signed for the checking to work
> as intended.

This means that the helpers won't support controls that use the top bit
of a 32 bit register.

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