1 root root 0 Dec 24 00:24 intel_backlight ->. lib/modules/6.0.86_64/kernel/drivers/platform/x86/asus-laptop.ko.xzĬode: Desktop]$ ls -l /sys/class/ lib/modules/6.0.86_64/kernel/drivers/platform/x86/panasonic-laptop.ko.xz lib/modules/6.0.86_64/kernel/drivers/platform/x86/fujitsu-laptop.ko.xz lib/modules/6.0.86_64/kernel/drivers/platform/x86/samsung-laptop.ko.xz lib/modules/6.0.86_64/kernel/drivers/platform/x86/compal-laptop.ko.xz lib/modules/6.0.86_64/kernel/drivers/platform/x86/ ideapad-laptop.ko.xz ? Lenovo but might not be what you need lib/modules/6.0.86_64/kernel/drivers/platform/x86/topstar-laptop.ko.xz lib/modules/6.0.86_64/kernel/drivers/platform/chrome/chromeos_laptop.ko.xz Type: MST AMCP smt: enabled arch: Alder Lake rev: 3 cache: L1: 1.1 MiB Reboot, and enjoy your backlight buttons! Before Ubuntu LTS 16.04 If this is the case, proceed with creating the following file $ sudo nano /usr/share/X11//nfĬontaining the following lines: Section "Device" To find out if you have integrated Intel video graphics, enter the following command: $ ls /sys/class/backlight/Īt least intel_backlight should be mentioned, most probably in addition to an OEM name like for example panasonic, dell_backlight, etc. If brightness control happens to be too coarse, then make this additional adjustment. Finally, reboot for these changes to take effect.įiner-grained brightness control (all Ubuntu versions).The assignment of the physical XF86MonBrightnessDown and XF86MonBrightnessUp keys is explained here for Xubuntu LTS or XFCE users. If it doesn't, edit it with $ sudo nano /etc/X11/nf $ cat /etc/X11/nf should read: Section "Device" Should it be missing, create it: $ sudo ln -s /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness /sys/class/brightness $ cd /sys/class This directory should contain a soft link called brightness to the brightness device discovered in the previous step.Issuing $ find /sys -type f -name brightness should yield something like /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness.No joking, make sure that the appropriate drivers are actually installed: $ sudo apt install xbacklight xorg xserver-xorg-video-intel.$ sudo nano /etc/default/grub and replace the corresponding line with GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor". Here is every step required for xbacklight control: Hardware brightness buttons □ □ Since Ubuntu LTS 18.04
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |