meta-unit-graphics/recipes-core/initrdscripts/initramfs-module-backlight/backlight


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#!/bin/sh

backlight_enabled() {
    return 0
}

backlight_run() {
    msg "Setting up display backlight..."
    
    for dev in /sys/class/backlight/*; do
        if [ -e "$dev/brightness" ]; then
            echo "Found backlight on $i: $dev" > /dev/kmsg
            echo 255 > "$dev/brightness"
            echo "Backlight set to 255" > /dev/kmsg
            return 0
        fi
    done
    
    echo "No backlight device found" > /dev/kmsg
}