#!/bin/sh
#
# Small script to change the performance / fan mode on ASUS laptops and display
# a notification about it. Can be bound to the fan key of the keyboard in e.g.
# GNOME.
# Requires /sys/devices/platform/asus-nb-wmi/throttle_thermal_policy to be owned
# by the user, e.g. by putting into /etc/tmpfiles.d/asus_fan_perms.conf:
# z /sys/devices/platform/asus-nb-wmi/throttle_thermal_policy 664 root js - -
# (Replace js with the primary group of your user)
#

file="/sys/devices/platform/asus-nb-wmi/throttle_thermal_policy"
current="$(<$file)"
new="$(((current + 1) % 3))"

if ! echo "$new" >"$file"; then
	notify-send -i dialog-error -c device \
		"Performance Control" \
		"Failed to change performance profile."
	exit 1
fi

case "$new" in
0)
	notify-send -i power-profile-balanced -c device \
		"Performance Control" \
		"Performance profile changed to normal."
	;;
1)
	notify-send -i power-profile-performance -c device \
		"Performance Control" \
		"Performance profile changed to turbo."
	;;
2)
	notify-send -i power-profile-power-saver -c device \
		"Performance Control" \
		"Performance profile changed to quiet."
	;;
esac