https://bugs.kde.org/show_bug.cgi?id=410656

            Bug ID: 410656
           Summary: The increase (or decrease) of the audio volume with
                    the keyboard shortcut produces a loop in certain
                    conditions (increase/decrease won't stop)
           Product: plasma-pa
           Version: 5.16.4
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: now...@gmail.com
          Reporter: andreastedil...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: ---

Created attachment 121972
  --> https://bugs.kde.org/attachment.cgi?id=121972&action=edit
plasma-pa infinite volume increase or decrease

Using the keyboard shortcut to increase the volume *in a particular way* makes
the popping sound play indefinitely. Basically, the system won't stop
increasing the volume. You can see this well in the attachment.

HOW TO REPRODUCE THE BUG: Keep pressing Fn, Keep Pressing F3 (in my case) to
increase the volume, and after 2-3 secs, first release Fn, then release F3.

If you open plasma-pa widget to control the volume, you can see the slider
keeps moving right, even though I bring it to the left.
In order to "stop" the bug, I have to hit another random key. Note that this
also happens if I enable the hotkey mode in the BIOS (meaning that pressing F3
alone increases the volume).
Some other (possibly related) information: if I record the bug with
SimpleScreenRecorder, it keeps giving some warning: "Too many audio samples,
dropping samples to keep the audio in sync with the video."

IMPORTANT: This also happens DECREASING the volume (the volume slider would
keep going from right to left if I drag it).

Operating System: Arch Linux 
KDE Plasma Version: 5.16.4
KDE Frameworks Version: 5.60.0
Qt Version: 5.13.0
Kernel Version: 5.2.5-arch1-1-ARCH
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-8565U CPU @ 1.80GHz
Memory: 7.6 GiB

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