[Bug 39832] HDA ATI HDMI: no sound with 3.0 - 2.6.39.3 works

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=39832





--- Comment #16 from Alex Deucher <alexdeucher at gmail.com>  2011-09-02 14:33:03 ---
(In reply to comment #15)
> I think the problem is that the audio device is *advertised* as working,
> although it doesn't.
> radeon should just stop advertising audio if radeon.audio isn't set.

The GPU driver doesn't advertise/handle the audio device.  The alsa driver
does.  All the GPU driver does is enable the audio packets in the HDMI stream. 
I don't think there's a way for the gpu driver to tell the alsa driver not to
load.  Moreover, there are audio devices on certain boards with where the audio
can be sent to either hdmi or regular audio ports so you would still want it
that case.

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