linux-kernel - Re: [REGRESSION] no sound on T60 laptop (HDA Intel)

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Date:	Wed, 06 Oct 2010 10:26:38 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Takashi Iwai <tiwai@...e.de>
CC:	miklos@...redi.hu, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org
Subject: Re: [REGRESSION] no sound on T60 laptop (HDA Intel)

On Wed, 06 Oct 2010, Takashi Iwai wrote:
> At Tue, 05 Oct 2010 22:35:28 +0200,
> Miklos Szeredi wrote:
> > 
> > On Tue, 05 Oct 2010, Takashi Iwai wrote:
> > > In anyway, if this is reproducible, get alsa-info.sh output before and
> > > after suspend.  It'll give more information of HD-audio and sound
> > > driver status.
> > 
> > No significant difference before and after the suspend
> 
> The important thing is to get the alsa-info output at the moment
> you don't get sound and you get sound.  Just after the suspend is
> still in the power-saving mode, thus all the setup might be inactive.
> 
> Anyway, could you attach alsa-info.sh output so that I can analyze?

Attaching the files.

> > ...
> > 
> > Bisected it to commit 3f50ac6a0e "ALSA: hda - Fix stream and
> > channel-ids codec-bus wide"
> > 
> > Reverting this on latest git fixes the sound.
> 
> Could you get alsa-info.sh output before and after reverting this, too?
> (i.e. non-working and working states)

Hmm, now there's no sound even with the revert.  I guess reproducing
this is not completely reliable so the bisect gave a false result.  Oh
well.

Thanks,
Miklos

Download attachment "alsa-info.txt.no-sound" of type "application/octet-stream" (21085 bytes)

Download attachment "alsa-info.txt.sound" of type "application/octet-stream" (21980 bytes)