From 91e623deccd5726ff97f1da6ac48dcc26048034a Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 25 May 2011 19:17:06 -0700
Subject: [PATCH] staging: fix olpc_dcon build, needs BACKLIGHT_CLASS_DEVICE

Fix olpc_dcon.c build by selecting the needed kconfig symbol
BACKLIGHT_CLASS_DEVICE.

olpc_dcon.c:(.text+0x11588b): undefined reference to `backlight_device_register'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Andres Salomon <dilinger@queued.net>
Cc: Chris Ball <cjb@laptop.org>
Cc: Jon Nettleton <jon.nettleton@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/olpc_dcon/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig
index b05306766870..fe40e0b6f675 100644
--- a/drivers/staging/olpc_dcon/Kconfig
+++ b/drivers/staging/olpc_dcon/Kconfig
@@ -2,6 +2,7 @@ config FB_OLPC_DCON
 	tristate "One Laptop Per Child Display CONtroller support"
 	depends on OLPC && FB
 	select I2C
+	select BACKLIGHT_CLASS_DEVICE
 	---help---
 	  Add support for the OLPC XO DCON controller.  This controller is
 	  only available on OLPC platforms.   Unless you have one of these
-- 
2.20.1