linux-kernel - Re: Thinkpad hda regression in 3.3

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Date:	Fri, 13 Apr 2012 21:21:46 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Josh Boyer <jwboyer@...hat.com>
Cc:	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, kernel-team@...oraproject.org
Subject: Re: Thinkpad hda regression in 3.3

At Fri, 13 Apr 2012 14:08:14 -0400,
Josh Boyer wrote:
> 
> On Fri, Apr 13, 2012 at 06:07:47PM +0200, Takashi Iwai wrote:
> > At Fri, 13 Apr 2012 15:07:07 +0200,
> > Takashi Iwai wrote:
> > (snip)
> > > If the above seem work (again, make sure that you adjust the mixer
> > > mutes and levels), I'll make kernel patches to add these fixups
> > > statically in the driver so that it works without extra patching.
> > 
> > Looking through alsa-info.sh outputs from various ThinkPad models I've
> > gathered, it seems that we can use the same pin setups for all.
> 
> We had a user try the alsa-tp-dock patch on an X201 and it didn't seem
> to work for them.  See bug
> https://bugzilla.redhat.com/show_bug.cgi?id=806217
> 
> Perhaps the [codec] section isn't set properly for their configuration?

Right.  This must match with the actual values.
Or the recent driver accepts 0 as the the second value.

> The alsa-info for their machine is in comment #9 of the bug.
> 
> > Below is a test patch for 3.3 kernel.  (Note that it'd give a merge
> > conflict for 3.4 kernel.)
> 
> OK, I'll do a scratch build with this and get people to test.

In that case, check whether the reported machines have the
corresponding PCI SSIDs.


thanks,

Takashi
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