Merge pull request #3899 from thypon/asus-kbd-backlight

New package: asus-kbd-backlight-1.2

srcpkgs/asus-kbd-backlight/files/asus-kbd-backlight

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+path="/sys/class/leds/asus::kbd_backlight"
+if [ ! -e "$path" ]; then
+	path="/sys/devices/platform/asus-nb-wmi/leds/asus::kbd_backlight"
+fi
+
+# max should be 3
+max=$(cat ${path}/max_brightness)
+# step: represent the difference between previous and next brightness
+step=1
+previous=$(cat ${path}/brightness)
+
+function commit {
+	if [[ $1 = [0-9]* ]]
+	then
+		if [[ $1 -gt $max ]]
+		then
+			next=$max
+		elif [[ $1 -lt 0 ]]
+		then
+			next=0
+		else
+			next=$1
+		fi
+		echo $next >> ${path}/brightness
+		exit 0
+	else
+		exit 1
+	fi
+}
+
+case "$1" in
+	up)
+		commit $(($previous + $step))
+	;;
+	down)
+		commit $(($previous - $step))
+	;;
+	max)
+		 commit $max
+	;;
+	on)
+		$0 max
+	;;
+	off)
+		commit 0
+	;;
+	show)
+		echo $previous
+	;;
+	night)
+		commit 1
+	;;
+	allowusers)
+		# Allow members of users group to change brightness
+		chgrp users ${path}/brightness
+		chmod g+w ${path}/brightness
+	;;
+	disallowusers)
+		# Allow members of users group to change brightness
+		chgrp root ${path}/brightness
+		chmod g-w ${path}/brightness
+	;;
+	*)
+		commit $1
+esac
+
+exit 0

srcpkgs/asus-kbd-backlight/files/asus-kbd/run

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+asus-kbd-backlight allowusers
+
+exec chpst -b asus-kbd pause

srcpkgs/asus-kbd-backlight/template

@@ -0,0 +1,16 @@
+# Template file for 'asus-kbd-backlight'
+pkgname=asus-kbd-backlight
+version=1.2
+revision=1
+create_wrksrc=yes
+noarch=yes
+depends="bash"
+short_desc="Helper for adjusting keyboard backlight brightness in Asus Zenbook"
+maintainer="Andrea Brancaleoni <miwaxe@gmail.com>"
+license="FDL1.3"
+homepage="https://wiki.archlinux.org/index.php/ASUS_Zenbook_Prime_UX31A#keyboard_backlight_script"
+
+do_install() {
+	vbin $FILESDIR/asus-kbd-backlight
+	vsv asus-kbd
+}