post_install() {
    modprobe i2c-dev
    echo "i2c-dev" | tee /etc/modules-load.d/i2c-dev.conf >/dev/null
    systemctl enable --now asus_touchpad_numpad
}

pre_upgrade() {
    systemctl disable --now asus_touchpad_numpad
}

post_upgrade() {
    systemctl enable --now asus_touchpad_numpad
}

pre_remove() {
    systemctl disable --now asus_touchpad_numpad
}