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Xbacklight No outputs have backlight property

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moevot
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Joined: 15 Mar 2019
Posts: 23

Posted: Thu May 02, 2019 4:08 am Post subject: Xbacklight No outputs have backlight property

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I have installed xbacklight and mapped the keys correctly in my .i3/config but it does not work. if i

Code:

echo 100 > /sys/class/backlight/acpi_video0/brightness

it does change my brightness so that is working.

I have added the file 20-intel.conf in my /etc/X11/xorg.conf.d which contains

Code:

Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "Backlight" "intel_backlight"
EndSection

I also have a file in there called 20-modesetting.conf which worked before and i used it to enable my modesetting drivers.

Code:

Section "Device"
Identifier "Intel Graphics"
Driver "modesetting"
Option "AccelMethod" "glamor"
Option "DRI" "3"
EndSection

Now with the new 20-intel.conf file my computer can not even connect to an x-server so i am stuck in console mode. How do i get this xbacklight to work?

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Abbott
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Joined: 23 Mar 2020
Posts: 21

Posted: Sat Jan 16, 2021 8:43 pm Post subject:

x11-apps/xbacklight will not work with the modesetting driver. You must use sys-power/acpilight, which works as a drop-in replacement for xbacklight.

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