linux-kernel - Re: [Bisected Regression] snd-intel-hda no longer produces sound on Toshiba Satellite A100

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Message-Id: <200805082046.30742.rjw@sisk.pl>
Date:	Thu, 8 May 2008 20:46:30 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Vefa Bicakci <bicave@...eronline.com>, linux-kernel@...r.kernel.org
Subject: Re: [Bisected Regression] snd-intel-hda no longer produces sound on Toshiba Satellite A100

On Sunday, 4 of May 2008, Takashi Iwai wrote:
> At Sat, 03 May 2008 23:57:29 +0300,
> Vefa Bicakci wrote:
> > 
> > Hello,
> > 
> > I am using Debian Sid on a Toshiba Satellite A100 series laptop.
> > This laptop has an Intel HDA sound card. It uses the Realtec codecs.
> > After modprobe'ing snd-intel-hda, the following appears in dmesg:
> > "hda_codec: Unknown model for ALC861, trying auto-probe from BIOS..."
> > 
> > The sound output used to work fine with 2.6.24.x and 2.6.25. In an
> > unrelated move, I decided to give 2.6.25-gitX series a try; however,
> > I was very sad to notice that sound output became disabled. Programs
> > such as ogg123 or Amarok seem to play, but there is no sound output,
> > only silence. I have checked multiple times that no new mixer settings
> > appeared because of a possible snd-hda-intel update...
> > 
> > I bisected the differences between 2.6.25 and HEAD (as of 28th of
> > April) to find the problematic git commit. The git commit with the
> > following ID and description disables the sound output completely:
> > 
> > --- 8< ---
> > commit f6c7e5461e9046445d50c5c7a9a4587824239623
> > [ALSA] hda-codec - Fix auto-configuration of Realtek codecs
> > --- >8 ---
> > 
> > I believe that this is an important regression, and I would like
> > to debug this problem. Trying out patches is no problem for me.
> 
> This is a known issue and should have been already fixed on sound
> tree.  Try to pull the following git tree (for-linus branch):
>     git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 for-linus

Has the fix already reached the Linus' tree?

Rafael
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