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The backlight controller doesn't work #40

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llde opened this issue Jul 9, 2018 · 4 comments
Open

The backlight controller doesn't work #40

llde opened this issue Jul 9, 2018 · 4 comments

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@llde
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llde commented Jul 9, 2018

I'm having an issue with the backlight controller.
If I move the backlight slider in the topbar, or using the keyboard it doens't have any effect.

Backlight controls works in Enlightenment and KDE.

ArchLinux x64
theShell 8.0
Linux-zen 4.17.5

@vicr123
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vicr123 commented Jul 9, 2018

Is xbacklight installed? :)

@llde
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llde commented Jul 10, 2018

Yes.

EDIT: I found that xbacklight is giving me a "No device with backlight property" or similar messsage. I do recall it functioning before however. (MAybe becouse I'm now using amdgpu instead of radeonsi)
I do have a /sys/class/backlight/amdgpu_bl10 fully populated.

I now installed acpilight (that override xbacklight with a custom binary) that don't use Xorg at all, but directly the acpi (and it works also on wayland), and as result the backlight cotroller is now working.
However eventually maybe it may be better to do as others WM, adjust the backlight without relying on Xorg related programs. (And it may help if this will ported on Wayland).

@rkunschke
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I use acpilight and now the xbacklight comand is working normaly but the slider in the panel does not work. any ideas?

@llde
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llde commented Aug 7, 2018

@rkunschke The slider works normaly for me using acpi_backlight on ArchLinux.

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3 participants