From c6c6fca6d2ab2bfd5e7d1ed4ded2e1bc4f5b02e5 Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.im>
Date: Wed, 11 Jun 2014 17:25:47 +0200
Subject: [PATCH] brightness: control brightness

On the X1, the brightness is controlled by the OS. On other machines, if
it is not, we will double the requested changes. We can live with that.
---
 lib/brightness.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/brightness.lua b/lib/brightness.lua
index b6cc684..d990e10 100644
--- a/lib/brightness.lua
+++ b/lib/brightness.lua
@@ -14,7 +14,7 @@ module("vbe/brightness")
 
 local nid = nil
 local function change(what)
-   -- We don't really change the brightness, just report the change...
+   os.execute("xbacklight -" .. what)
    local out = awful.util.pread("xbacklight -get")
    if not out then return end
 
@@ -29,9 +29,9 @@ local function change(what)
 end
 
 function increase()
-   change("+ 5")
+   change("inc 5")
 end
 
 function decrease()
-   change("- 5")
+   change("dec 5")
 end