linux-kernel - Re: 2.6.29 regression: left audio channel broken after resume from suspend with Intel HDA

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Message-ID: <20090507072352.GA6513@mac.home>
Date:	Thu, 7 May 2009 09:23:53 +0200
From:	Tino Keitel <tino.keitel@....de>
To:	linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org
Subject: Re: 2.6.29 regression: left audio channel broken after resume from
	suspend with Intel HDA

On Thu, May 07, 2009 at 00:27:53 +0200, Tino Keitel wrote:
> On Tue, Apr 28, 2009 at 02:23:09 +0200, Tino Keitel wrote:
> 
> [...]
> 
> > I just saw another, major problem: line in doesn't work anymore with
> > 2.6.29 and also 2.6.30-rc3 (no usable input level). It works with
> > 2.6.27.20.
> 
> FYI: I just tried 2.6.28 and line-in was still broken. So the last
> working kernel is 2.6.27.

I tried this:

git bisect start v2.6.28 v2.6.27 sound/pci/hda/patch_sigmatel.c

The result is commit 4f1e6bc3646ab50b8181555ab7e6eeab68b8632a.

I can't use git revert because of conflicts, so I crafted the attached
patch against 2.6.30-rc4-00288-g413f81e, and now line-in works.

Regards,
Tino

View attachment "fix-mac-mini-line-in.patch" of type "text/x-diff" (1375 bytes)