From: Andrew Morton <akpm@osdl.org>

WARNING: ".fb_bl_default_curve" [drivers/video/riva/rivafb.ko] undefined!
WARNING: ".fb_bl_default_curve" [drivers/video/nvidia/nvidiafb.ko] undefined!
WARNING: ".fb_bl_default_curve" [drivers/video/aty/radeonfb.ko] undefined!      WARNING: ".fb_bl_default_curve" [drivers/video/aty/atyfb.ko] undefined!
WARNING: ".fb_bl_default_curve" [drivers/video/aty/aty128fb.ko] undefined!      

Cc: Michael Hanselmann <linux-kernel@hansmi.ch>
CcBenjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/video/fbsysfs.c |    2 ++
 1 files changed, 2 insertions(+)

diff -puN drivers/video/fbsysfs.c~rewritten-backlight-infrastructure-for-portable-apple-computers-fix drivers/video/fbsysfs.c
--- 25/drivers/video/fbsysfs.c~rewritten-backlight-infrastructure-for-portable-apple-computers-fix	2006-05-22 01:04:52.000000000 -0600
+++ 25-akpm/drivers/video/fbsysfs.c	2006-05-22 01:05:41.000000000 -0600
@@ -18,6 +18,7 @@
 #include <linux/kernel.h>
 #include <linux/fb.h>
 #include <linux/console.h>
+#include <linux/module.h>
 
 /**
  * framebuffer_alloc - creates a new frame buffer info structure
@@ -540,4 +541,5 @@ void fb_bl_default_curve(struct fb_info 
 	for (i = 0; i < count; ++i)
 		fb_info->bl_curve[flat + i] = min + (range * (i + 1) / count);
 }
+EXPORT_SYMBOL_GPL(fb_bl_default_curve);
 #endif
_