Plasma 6 - Brightness settings question

Hello all! I’m running near-current OpenSuSE Tumbleweed, on the latest major upgrade.

When I was using Plasma 5 turning the brightness down to 0% with keyboard hotkeys turned off the display backlight, but on Plasma 6 it just shows a really low brightness.

Is there any way to return the old behavior? I used it somewhat often.

1 Like

It looks here:
https://bugs.kde.org/show_bug.cgi?id=430439

like this

triggered removal of the 0 behavior rather than 0 then off as next step maybe due to issues some “intel” were having in the past? But then intel i915 patch almost looks like they just completely disabled that option:
https://patchwork.freedesktop.org/patch/498702/?series=107549&rev=1

I only have an amd apu laptop atm to test. Are you on intel or amd processor?

I could be misreading the above though. Possibly someone more knowledgeable can comment

@C96Cyrix Hi and welcome to the Forum :smile:
You can always set to 0 via the brightnessctl command?

For example (need to be root user);

brightnessctl --list
Available devices:
Device 'amdgpu_bl1' of class 'backlight':
	Current brightness: 78 (31%)
	Max brightness: 255

brightnessctl --device='amdgpu_bl1' set 0

Intel, i3-1115G4. But I don’t think this is the exact thing (think?)

As this worked up until very recently, right up until the update to Plasma 6. Worked fine with the keyboard hotkeys on Plasma 5.

Hello! :slight_smile: Thanks for the welcome!

Works, but it’s a little janky. Is there some way to set this to a hotkey/shortcut of some kind?

@C96Cyrix Hi, probably, one would need to add a say /etc/sudoers.d/01-brightness file containing;

your-username ALL=NOPASSWD: /usr/bin/brightnessctl

Then should have access as you user to bind to a key combination. I’ve not tested above. To me there should be an option to configure this setting somewhere?

1 Like

This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.