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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Radeon+Intel GPU with HDMI audio on Intel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67550#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Radeon+Intel GPU with HDMI audio on Intel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67550">bug 67550</a>
from <span class="vcard"><a class="email" href="mailto:deathsimple@vodafone.de" title="Christian König <deathsimple@vodafone.de>"> <span class="fn">Christian König</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=67550#c0">comment #0</a>)
<span class="quote">> #2, without xorg.conf
> The receiver sends its own EDID block, so I can extend via xrandr without
> turning on the projector.
> But the projector is turned off in most cases, so is there a way to disable
> a display output but keep the HDMI audio output? (as a workaround for #1)</span >
Nope, unfortunately not. It's by HDMI design, the audio signal is mixed into
the vertical and horizontal blank periods of the video signal -> so if you
don't have a video signal you don't have audio also.
As a workaround you could try to setup a second X server or framebuffer or
something like that (kms console?) on the HDMI output to just get a video
signal on it.</pre>
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