From c976d0178f9b2fc05ab9a64f3ae28ee0a6b65417 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Fri, 6 May 2016 02:01:23 +0200
Subject: bin/brightness: Adding script to increase/decrease backlight.

---
 bin/brightness | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 bin/brightness

(limited to 'bin/brightness')

diff --git a/bin/brightness b/bin/brightness
new file mode 100755
index 0000000..192dc4c
--- /dev/null
+++ b/bin/brightness
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Script to lower/ raise screen brightness using xbacklight (xorg-xbacklight)
+
+set -e -u
+
+export DISPLAY=:0
+x11user=$(w |grep -w :0 | cut -d " " -f1)
+export XAUTHORITY=/home/$x11user/.Xauthority
+step=5
+
+if [ -x /usr/bin/xbacklight ]; then
+  if [ "$1" = "video/brightnessup" ] && [ $2 = "BRTUP" ]; then
+    xbacklight -inc "$step"
+  elif [ "$1" = "video/brightnessdown" ] && [ $2 = "BRTDN" ]; then
+    xbacklight -dec "$step"
+  else
+    exit 1
+  fi
+else
+  exit 1
+fi
+
+exit 0
-- 
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