From bc83e9fc528ca32f9691f30760219eb4887fb15e Mon Sep 17 00:00:00 2001
From: dongkc <dongkechang@gmail.com>
Date: Thu, 24 Dec 2015 18:35:07 +0800
Subject: [PATCH] add backlight support

---
 rc.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rc.lua b/rc.lua
index 5abf9dc..1224ccb 100644
--- a/rc.lua
+++ b/rc.lua
@@ -512,6 +512,10 @@ globalkeys = awful.util.table.join(
             volumewidget.update()
         end),
 
+    -- BACKLIGHT control
+    awful.key({  }, "XF86MonBrightnessUp",   function() os.execute("xbacklight -inc 5") end),
+    awful.key({  }, "XF86MonBrightnessDown", function() os.execute("xbacklight -dec 5") end),
+
     -- MPD control
     awful.key({ altkey, "Control" }, "Up",
         function ()