On FreeBSD the pulseaudio module can turn the volume down but not up

[i-lost-my-bagel]

trafficstars

Scrolling to turn the volume down works fine but I can't turn it back up.

[perlporter]

same behavior here

FreeBSD 14.1-RELEASE waybar-0.10.4 Highly customizable Wayland bar for Sway and wlroots-based compositors

[rtprio]

After a comical amount of debugging the audio_backend.cpp file, I accidentally discovered that using a step greater than 1 seems to fix it.

I know a lot more about pulseaudio than I did before, but still don't understand that.