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Date:	Sun, 01 Mar 2009 21:25:44 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, torvalds@...l.org
Subject: Re: No more Intel HDA soundcard

At Sun, 1 Mar 2009 13:41:38 +0300,
Alexey Dobriyan wrote:
> 
> On Sun, Mar 01, 2009 at 11:00:35AM +0100, Takashi Iwai wrote:
> > At Sat, 28 Feb 2009 21:44:12 +0300,
> > Alexey Dobriyan wrote:
> > > 
> > > The following commit results in soundcard detection failing with -EBUSY
> > > 
> > > commit 34c25350acfc792747e861d1e36874abf7e73255
> > > Author: Takashi Iwai <tiwai@...e.de>
> > > Date:   Tue Oct 28 11:38:58 2008 +0100
> > > 
> > >     ALSA: hda - Remove old codec-probe limitation
> > >     
> > >     Removed the old workaround to avoid the non-existing codec slot.
> > >     The current code should work without that workaround.  If any,
> > >     we can add a quirk table.
> > >     
> > >     Signed-off-by: Takashi Iwai <tiwai@...e.de>
> > > 
> > > I fixed up this (and got sound back) but suspect the following is not right.
> > > 
> > > --- a/sound/pci/hda/hda_intel.c
> > > +++ b/sound/pci/hda/hda_intel.c
> > > @@ -1224,6 +1224,7 @@ static void azx_stop_chip(struct azx *chip);
> > >  
> > >  /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
> > >  static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
> > > +	[AZX_DRIVER_ICH] = 3,
> > >  	[AZX_DRIVER_TERA] = 1,
> > >  };
> > 
> > Right, it's no good solution as you expected ;)
> > The problem is that your patch will disable the all HDMI devices that are
> > newly supported on 2.6.29.
> > 
> > Is your machine Toshiba X200, found in bug 12735 ??
> > 	http://bugzilla.kernel.org/show_bug.cgi?id=12735
> > 
> > If yes, could you try the patch below?
> > 
> > Also, it'd be helpful if you can try sound git tree (master branch):
> >     git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
> > that contains the very latest driver.  This should work as is.
> 
> Sound works as is, alsamixer refuses to start with

Is this the result of what?

Could you check whether the patch for 2.6.29 works at first?
It's the highest priority.  Then, try sound git tree (without the
patch), and give alsa-info output after probe_only=1 option.


thanks,

Takashi
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