[Bug 38170] LG TV shows no signal attached to radeon via HDMI (and is improperly detected)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38170

--- Comment #7 from KavithaReddy <mrgkavitha at gmail.com> 2011-06-13 00:50:29 PDT ---
(In reply to comment #6)
> First of all, with radeon.audio=0 the TV indeed shows the desktop. Great. But I
> obviously don't have sound output. I forgot to mention in my initial post that
> the TV works when attached to a nvidia graphics card via DVI (using nouveau).
> But that's not surprising anymore.
> Anyway, I attached the logs you requested.
> I don't know if the i915 OOPSes matter.
> FWIW, the HDMI audio output is the main reason I want to attach the TV, because
> my sound system is connected to the TV and I want to listen to music with it.
> You mentioned 2.6.38 and newer. Do older kernels work better in that matter?
> Thanks for your help and amazingly quick response.


 Can you please try :

1) Disable onboard audio 
2) Un-mute sound device with 
   alsamixer -c <Card ID#>

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