[alsa-devel] [PATCH] ALSA: HDA: Add jack detection for HDMI

[pl bossart]

>> a) Is it possible to report more information alongside the plug events,
>> such as ELD/EDID content? Or, is the idea that the kernel sends a plug
>> event, and then user-space retrieves that information via some other
>> API? I don't think there's an API to retrieve ELD information at present
>> though right? Although certainly it'd make sense for that to be a
>> completely separate patch.
>
> A simple approach would be adding a control element containing
> byte-array of ELD/EDID.

Are there any examples of such controls? Or are we talking about a new
kind of control?
We could really use this ELD information in PulseAudio now that the
passthrough mode is in git master; for now the codecs supported by the
receiver are hard-coded, not a very reliable solution...
-Pierre