https://bugs.kde.org/show_bug.cgi?id=487382

            Bug ID: 487382
           Summary: HDMI: sound output not automatically detected,
                    plugging out breaks sound output
    Classification: Plasma
           Product: plasma-pa
           Version: 6.0.4
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: boredsquir...@secure.mailbox.org
                CC: isma...@gmail.com, m...@ratijas.tk
  Target Milestone: ---

When plugging in an HDMI cable that should also carry the sound output, it does
not detect the sound sink like it did on KDE Plasma 5 afaik.

Then when manually selecting the output from "devices" and "sound" and the
dropdown hamburger menu, I can get sound through HDMI.

Then plugging out the HDMI cable, I dont have any sound output anymore and it
gives me "no input or output devices found" which is compeltely wrong as my
laptop has internal speakers and internal mic.

Instead, when still plugged in and under sound sink output device I select
"Analog stereo duplex" (which is my laptop speakers) and then plug the cable
out, I get an OSD that it switched to internal audio and works.

Using Fedora 40, using pipewire.

This is pretty broken as:
- the sound devices are not displayed as different devices, but different
modes/settings of the same device (I guess)
- when selecting a "mode" of a "device" which is then not available anymore,
the sound sink is gone
- only when plugging the device with the selected mode in again, and selecting
a different output mode (which is actually a device) then plugging out does not
cause this error
- the separation between "internal" and "HDMI" output is completely unfriendly
to nontechnical users


Operating System: Fedora Kinoite  Aurora 40
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.0
Kernel Version: 6.8.9-300.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz
Memory: 15.5 GiB of RAM
Graphics Processor: Mesa Intel® Xe Graphics

plasma-pa-6.0.4-1.fc40.x86_64

kpipewire-6.0.4-1.fc40.x86_64
pipewire-1.0.6-1.fc40.x86_64
pipewire-jack-audio-connection-kit-1.0.6-1.fc40.x86_64
pipewire-gstreamer-1.0.6-1.fc40.x86_64
pipewire-utils-1.0.6-1.fc40.x86_64
pipewire-pulseaudio-1.0.6-1.fc40.x86_64
pipewire-jack-audio-connection-kit-libs-1.0.6-1.fc40.x86_64
pipewire-alsa-1.0.6-1.fc40.x86_64

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