[Pommed-commits] r493 - trunk/pommed/mactel

[jblache at alioth.debian.org]

Author: jblache
Date: 2008-06-07 14:48:12 +0000 (Sat, 07 Jun 2008)
New Revision: 493

Modified:
   trunk/pommed/mactel/nv8600mgt_backlight.c
Log:
Add an explanation of what the nv8600 backlight does; taken from the kernel backlight driver adapted by Matthew Garrett from this very code.


Modified: trunk/pommed/mactel/nv8600mgt_backlight.c
===================================================================
--- trunk/pommed/mactel/nv8600mgt_backlight.c	2008-06-07 10:08:28 UTC (rev 492)
+++ trunk/pommed/mactel/nv8600mgt_backlight.c	2008-06-07 14:48:12 UTC (rev 493)
@@ -24,6 +24,10 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
+ *
+ * This driver triggers SMIs which cause the firmware to change the
+ * backlight brightness. This is icky in many ways, but it's impractical to
+ * get at the firmware code in order to figure out what it's actually doing.
  */
 
 #include <stdio.h>