linux-kernel - Re: Thinkpad hda regression in 3.3

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Date:	Tue, 17 Apr 2012 20:23:36 -0400
From:	Josh Boyer <jwboyer@...hat.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, kernel-team@...oraproject.org,
	kevin@...ye.com, cwickert@...oraproject.org
Subject: Re: Thinkpad hda regression in 3.3

On Fri, Apr 13, 2012 at 02:08:14PM -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?
> 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.

I built your patch in a scratch kernel and have at least one user with a
t510 laptop report success.  Christoph reported the mixers showing up,
but it wasn't clear to me if his sound actually worked on the x201.
I've CC'd both users (Kevin t510, Christoph x201 in a dock).

josh
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