openwrt-xburst/target/linux/xburst/patches-2.6.34/420-fb-notifier-pre-post.patch

From 120357be9b85936519d6a141748c319745046f71 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Sat, 24 Apr 2010 12:23:28 +0200
Subject: [PATCH] Framebuffer notifier: Call notifier callbacks prior to blanking the screen

---
 drivers/video/fbmem.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index a15b44e..4eec79c 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1008,12 +1008,12 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 int
 fb_blank(struct fb_info *info, int blank)
 {	
- 	int ret = -EINVAL;
+ 	int ret = 0;
 
  	if (blank > FB_BLANK_POWERDOWN)
  		blank = FB_BLANK_POWERDOWN;
 
-	if (info->fbops->fb_blank)
+	if (info->fbops->fb_blank && blank == FB_BLANK_UNBLANK)
  		ret = info->fbops->fb_blank(blank, info);
 
  	if (!ret) {
@@ -1024,6 +1024,10 @@ fb_blank(struct fb_info *info, int blank)
 		fb_notifier_call_chain(FB_EVENT_BLANK, &event);
 	}
 
+	if (info->fbops->fb_blank && blank != FB_BLANK_UNBLANK)
+ 		ret = info->fbops->fb_blank(blank, info);
+
+
  	return ret;
 }
 
-- 
1.5.6.5