linux-kernel - Re: mm snapshot broken-out-2007-03-05-02-22.tar.gz uploaded

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Date:	Wed, 07 Mar 2007 21:39:30 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>,
	"Randy Cushman" <rcushman_linux@...thlink.net>,
	"Jaroslav Kysela" <perex@...e.cz>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Adrian Bunk" <bunk@...sta.de>
Subject: Re: mm snapshot broken-out-2007-03-05-02-22.tar.gz uploaded

At Wed, 7 Mar 2007 11:50:24 -0800,
Andrew Morton wrote:
> 
> On Wed, 7 Mar 2007 20:41:30 +0100 "Michal Piotrowski" <michal.k.k.piotrowski@...il.com> wrote:
> 
> > > > 831466f4ad2b5fe23dff77edbe6a7c244435e973 is first bad commit
> > > > commit 831466f4ad2b5fe23dff77edbe6a7c244435e973
> > > > Author: Randy Cushman <rcushman_linux@...thlink.net>
> > > > Date:   Tue Dec 19 18:42:16 2006 +0100
> > > >
> > > >     [ALSA] ac97 - fix microphone and line_in selection logic
> > > >
> > > >     This patch fixes the Microphone and LINE_IN select logic for
> > > >     Analog Devices surround codecs with shared jacks.  The existing
> > > >     code can never utilize the shared jacks for Microphone and LINE_IN
> > > >     due to the reversed jack selection logic.  The patched code
> > > >     correctly selects the shared jack for input if the 'Channel Mode'
> > > >     selector does not specify that the jack is to be used for output.
> > > >     Specifically, in '2ch' mode the Center/LFE jack is used for
> > > >     microphone input and the Surround jack is used for LINE_IN,
> > > >     in '4ch' mode the Center/LFE jack is used for microphone input
> > > >     and the Surround jack is used for output, and in '6ch' mode
> > > >     both jacks are used for output.
> > > >
> > > >     Signed-off-by: Randy Cushman <rcushman_linux@...thlink.net>
> > > >     Signed-off-by: Takashi Iwai <tiwai@...e.de>
> > > >     Signed-off-by: Jaroslav Kysela <perex@...e.cz>
> > > >
> > >
> > > Is 2.6.21-rc3 similarly broken?
> > 
> > Yes.
> > 
> 
> OK.  Can you please confirm that applying the below fixes 2.6.21-rc3?
> 
> If so, I'll queue it up for application in a week or two if there is no
> progress on this.

[sorry for the late interrupt - I'm just back from a vacation]

Could you postpone reverting for a while?
I guess this possible regression is limited only to a certain type of
ac97 codec chip.  The patch applied there was a fix for many codec
chips.

Which codec chip are you using specifically?  Please check
/proc/asound/card0/codec97#0/* file(s).
Also, run "alsactl -f somefile store" and attach the generated file to
see whether any mixer status inconsistency exists.


Thanks,

Takashi
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