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SubjectRe: 3.7 HDMI channel map regression
On Mon, Jan 28, 2013 at 08:52:05PM -0600, Shawn Bohrer wrote:
> On Mon, Jan 28, 2013 at 09:56:33AM +0100, Takashi Iwai wrote:
> > At Sun, 27 Jan 2013 19:18:27 -0600,
> > Shawn Bohrer wrote:
> > >
> > > Hi Takashi,
> > >
> > > I recently updated my HTPC from 3.6.11 to 3.7.2 and this caused my RL
> > > and FC channels to swap, and my RR and LFE channels to swap for PCM
> > > audio. Doing a git bisect identified
> > > d45e6889ee69456a4d5b1bbb32252f460cd48fa9 "ALSA: hda - Provide the
> > > proper channel mapping for generic HDMI driver" as the commit that
> > > caused my channels to swap. The commit doesn't revert cleanly on
> > > 3.7.4, and I haven't really looked to see what the correct fix might
> > > be.
> > >
> > > Some info that may be relevant, the sound card is a:
> > >
> > > 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset
> > > Family High Definition Audio Controller (rev 04)
> > >
> > > The machine is running Fedora 18 and audio goes over HDMI to a 5.1
> > > receiver. I'm not really sure what other info you might need, but
> > > let me know if you need something else or have any patches you would
> > > like me to test.
> >
> > OK, it's the first time to get a bug report about this.
> > Could you tell me how did you test it (i.e. which application, which
> > sound backend)? Can you confirm that it's reproduced via speaker-test
> > program in alsa-utils package?
>
> I originally noticed the problem when all of the dialog started coming
> out of my rear left speaker in MythTV after the kernel update. Then I
> started using the Gnome 3 sound configuration gui in the system
> settings which has a speaker test and I assume is using pulseaudio.
> Running 'speaker-test -c6 -l1 -twav' also reproduces the problem.
>
> For reference here are the versions of the various packages that I'm
> running:
>
> alsa-utils-1.0.26-1.fc18.x86_64
> alsa-firmware-1.0.25-2.fc18.noarch
> alsa-plugins-pulseaudio-1.0.26-2.fc18.x86_64
> alsa-lib-devel-1.0.26-2.fc18.x86_64
> alsa-lib-1.0.26-2.fc18.x86_64
> alsa-tools-firmware-1.0.26.1-1.fc18.x86_64
> pulseaudio-gdm-hooks-2.1-5.fc18.x86_64
> pulseaudio-libs-2.1-5.fc18.x86_64
> pulseaudio-libs-glib2-2.1-5.fc18.x86_64
> pulseaudio-module-x11-2.1-5.fc18.x86_64
> pulseaudio-module-bluetooth-2.1-5.fc18.x86_64
> pulseaudio-2.1-5.fc18.x86_64
> pulseaudio-utils-2.1-5.fc18.x86_64

Hi Takashi,

Any updates on this issue? I'd really like to see this issue fixed
and am happy to help in any way I can. Until this gets fixed I'm
stuck on a 3.6.* kernel.

Thanks,
Shawn


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