This is a initcpio hook that can be used to turn the /sys/class/leds/asus::kbd_backlight keyboard
backlight on during boot. This is usefull when prompted to type the LUKS passphrase, for instance.
Only tested on a ASUS B9940UA
Build:
makepkg .
sudo pacman -U ./mkinitpico-asuskbdlight-*.pkg.tar.zst
Edit /etc/mkinitcpio.conf:
HOOKS=(base udev autodetect modconf block keyboard asuskbdlight encrypt filesystems resume)
Regenerate initramfs:
sudo mkinitcpio -p linux
Reboot.