[alsa-devel] Bug in setting channels, related to recent ELD/EDID changes?

Takashi Iwai tiwai at suse.de
Wed Jan 12 07:47:58 CET 2011

At Tue, 11 Jan 2011 22:37:49 -0800,
VDR User wrote:
> On Tue, Jan 11, 2011 at 12:47 PM, Anssi Hannula <anssi.hannula at iki.fi> wrote:
> >> As a user having to deal with the frustration of this problem, I
> >> absolutely think the true/false switch is the best solution as it's
> >> set-and-forget.  Set it one time, get the behavior you _want_, and not
> >> have to bother with it again.  With the module parameter thing, it
> >> sounds like you have to change module parameters according to what you
> >> want at the moment.  Or is it that the true/false switch is controlled
> >> by a module param?  Maybe I've misinterpreted it but it's not very
> >> clear.
> >
> > Yes, it is a true/false switch controlled by a module parameter.
> >
> >> So I grab alsa git, but how do I use the fix to restore the old behavior?
> >
> > Set the module parameter static_hdmi_pcm of snd-hda-codec-hdmi to 1.
> >
> > For example, by adding this into /etc/modprobe.conf:
> > options snd-hda-codec-hdmi static_hdmi_pcm=1
> Got it, thanks for clearing that up.  I've been testing it with the
> most recent stable kernel (2.6.37) and it seems to be working fine so
> that's great news!  One last question, will this fix make it into the
> 2.6.37.x kernel tree or will it be 2.6.38?

I marked the patches with Cc to stable now, so they'll be forwarded
to stable kernel once after they get merged to the upstream.



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