From 4165338666f124a897d0dfae06184c485e3970c1 Mon Sep 17 00:00:00 2001
From: Andrea Brancaleoni <miwaxe@gmail.com>
Date: Fri, 25 Mar 2016 17:40:25 +0100
Subject: [PATCH] New package: asus-kbd-backlight-1.2

---
 .../files/asus-kbd-backlight                  | 69 +++++++++++++++++++
 srcpkgs/asus-kbd-backlight/files/asus-kbd/run |  5 ++
 srcpkgs/asus-kbd-backlight/template           | 16 +++++
 3 files changed, 90 insertions(+)
 create mode 100755 srcpkgs/asus-kbd-backlight/files/asus-kbd-backlight
 create mode 100644 srcpkgs/asus-kbd-backlight/files/asus-kbd/run
 create mode 100644 srcpkgs/asus-kbd-backlight/template

diff --git a/srcpkgs/asus-kbd-backlight/files/asus-kbd-backlight b/srcpkgs/asus-kbd-backlight/files/asus-kbd-backlight
new file mode 100755
index 00000000000..ebc76bff690
--- /dev/null
+++ b/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
diff --git a/srcpkgs/asus-kbd-backlight/files/asus-kbd/run b/srcpkgs/asus-kbd-backlight/files/asus-kbd/run
new file mode 100644
index 00000000000..dc41b16f87b
--- /dev/null
+++ b/srcpkgs/asus-kbd-backlight/files/asus-kbd/run
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+asus-kbd-backlight allowusers
+
+exec chpst -b asus-kbd pause
diff --git a/srcpkgs/asus-kbd-backlight/template b/srcpkgs/asus-kbd-backlight/template
new file mode 100644
index 00000000000..120c473359d
--- /dev/null
+++ b/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
+}