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Date: Tue, 9 Oct 2001 13:52:53 -0500 (CDT)
From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: Rui Sousa <rui.p.m.sousa@clix.pt>
cc: Linus Torvalds <torvalds@transmeta.com>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org,
        emu10k1-devel@opensource.creative.com
Subject: Re: [Emu10k1-devel] Re: Emu10k1 driver update
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On Tue, 9 Oct 2001, Rui Sousa wrote:
> Actually there is no locking implemented for the ac97 codec mixer.
> It never seemed worth it, even if there are potential races in the code.
> To have two applications accessing the mixer at the same time is a _very_
> rare condition and the worse that can happen is to set a wrong volume
> value. Anyway, I will give it another look and try to come up with a fix.

I have a patch in the wings which adds locking to mixer accesses, for
via82cxxx_audio, because the lack of locking was causing problems.  So,
some people with some apps do indeed notice...

	Jeff



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