From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH] ASoC: codecs: use SNDRV_PCM_FMTBIT_* for
	format bitmask
Date: Tue, 26 May 2015 10:44:22 +0100
Message-ID: <20150526094422.GI21577@sirena.org.uk>
References: <5560AB9D.1010807@maciej.szmigiero.name>
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To: Takashi Iwai <tiwai@suse.de>
Cc: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>, Lars-Peter Clausen <lars@metafoo.de>, Matt Reimer <mreimer@sdgsystems.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Wolfram Sang <wsa@the-dreams.de>, linux-kernel <linux-kernel@vger.kernel.org>, patches@opensource.wolfsonmicro.com, Liam Girdwood <lgirdwood@gmail.com>, Charles Keepax <ckeepax@opensource.wolfsonmicro.com>, Daniel Mack <daniel@zonque.org>
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On Tue, May 26, 2015 at 07:29:57AM +0200, Takashi Iwai wrote:
> Maciej S. Szmigiero wrote:

> > Found out by sparse on 0-day kernel tester.

> Wow, that made me wonder how these drivers could actually work.

AFAICT the bits were being set by being ored in from the sequential
values.

> BTW, how did you detect it?  Any static analyzer like sparse or
> smatch?  sparse didn't detect it at the last time I tried, IIRC...

Commit log says sparse.

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