[Bug 22727] New: HDMI audio enabled even though not supported, confuses TV

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=22727

           Summary: HDMI audio enabled even though not supported, confuses
                    TV
           Product: xorg
           Version: 7.4
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: pelle at debian.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=27600)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=27600)
Xorg log

Hi,

I'm running an Eee Box B206 with an integrated Radeon HD 3450, connected to a
Samsung LCD TV.

Since the radeon driver doesn't support audio through HDMI, I've connected an
audio cable separately from the computer's sound card. This works fine, until I
start X -- then the audio stops. Well, the audio is still coming out from the
line out, but the TV thinks that audio should come through HDMI and doesn't
care about the cable.

Apparently the radeon driver is telling the TV that it supports audio, even
though it doesn't. The radeonhd driver does not have this problem (but I can't
use it because I need Xv). Also, if I switch VC to text mode, audio comes back.
It disappears as soon as I switch back to X.

xrandr reports the output as "DVI-0".

I'm running Debian with Xorg 7.4, Xserver 1.6.1.901 and latest xf86-video-ati
from git (76af48c43f829e7aebacc9f2a623823fa26ee22b).

Attaching Xorg log.


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