https://bugs.kde.org/show_bug.cgi?id=495980

            Bug ID: 495980
           Summary: Volume or recording levels of audio devices
                    reproducibly change to undesirable values under
                    certain circumstances
    Classification: Plasma
           Product: plasma-pa
           Version: master
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: n...@kde.org
                CC: isma...@gmail.com
  Target Milestone: ---

In two specific circumstances, my audio devices' volumes get changed from what
I had them set to last time to an undesirable level:

1. Whenever I plug in my external screen which includes a built-in microphone
(it's this thing:
https://www.bhphotovideo.com/c/product/1718042-REG/hp_4q8n9aa_aba_24_qhd_90hz_hdr400.html),
the volume level of my laptop's internal microphone drops to 14%, forgetting
the level I had it at before (typically 53%). I prefer the laptop's internal
mic, so as a result, no one on video calls can hear me until I remember to
raise the recording level to 53% again.

2. Whenever I connect to my Bluetooth speaker amplifier,  its volume is changed
to 100%, forgetting the level I had it at before (typically 20%). In this case
it's actually dangerous because 100% damages the speakers' tweeters. So I have
to remember to pause or mute before connecting, then connect, then change the
volume level back to 20%, then play or unmute.

Both issues reproduce on my wife's laptop which is the same model as mine, but
runs released Plasma on Fedora KDE 40 (I run git master everything on Fedora
KDE 41).

Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.80
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.0
Kernel Version: 6.11.6-300.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon™ 780M Graphics
Memory: 14.9 GB of RAM
Graphics Processor: AMD Radeon 780M
Product Name: HP Pavilion Plus Laptop 14-ey0XXX

If these are different issues, let me know and I'll open a new bug report for
one or both. I can supply whatever logging is needed to debug it.

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