[PATCH] alsa-ucm: Fallback to stereo duplex

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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.

-- 
Tanu



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