boot.kernelParams = [
# Force use of the thinkpad_acpi driver for backlight control.
# This allows the backlight save/load systemd service to work.
"acpi_backlight=native"
];
from nixos-hardware/lenovo/thinkpad/e14/default.nix
currently I have 2 issues related to keyboard backlight
1- the keyboard backlight (on Gnome) doesn't go off when the screensaver start
2- it always enable itself on when I end the screensaver (by moving the cursor)
solution:
if I change to acpi_backlight=video everything goes well.
This option
from
nixos-hardware/lenovo/thinkpad/e14/default.nix
currently I have 2 issues related to keyboard backlight 1- the keyboard backlight (on Gnome) doesn't go off when the screensaver start 2- it always enable itself on when I end the screensaver (by moving the cursor)
solution: if I change to
acpi_backlight=video
everything goes well.