[pulseaudio-discuss] [PATCH] alsa-ucm: Fallback to stereo duplex

[Luke Yelavich]

On Wed, Feb 06, 2013 at 10:57:23PM EST, Tanu Kaskinen wrote:
> On Wed, 2013-02-06 at 16:30 +1100, Luke Yelavich wrote:
> > On Tue, Feb 05, 2013 at 07:22:17PM EST, David Henningsson wrote:
> > > If 'PlaybackChannels' and 'CaptureChannels' are absent in the UCM
> > > file for a device, assume the device is stereo duplex.
> > 
> > PulseAudio runs if using alsa-lib 1.0.26, but crashes on alsa-lib
> > 1.0.25. I also didn't see HDMI listed in sound settings or sinks for
> > pulse using alsa-lib 1.0.26 on pandaboard either. Not sure whats going
> > on, I'll dig deeper tomorrow.
> 
> The UCM configuration might not have entries for HDMI. If so, then HDMI
> won't be available if PulseAudio successfully loads the UCM
> configuration.
> 
> If you don't need UCM, you can disable it and use PulseAudio's "normal"
> configuration instead, which should make HDMI work (if it worked with an
> older version PulseAudio).
> 
> Sorry, I lied. You can't disable UCM, at least if you're relying on
> module-udev-detect. I'll make a patch that fixes this.

I built pulseaudio with your patch included, and whilst it allows pulse 3 to work with alsa 1.0.25 by disabling UCM, HDMI is still not shown, even with alsa-lib 1.0.26. Log attached.

Luke
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