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openwrt-xburst/target/linux/xburst/patches-2.6.36/420-fb-notifier-pre-post.patch
lars 28ea12b3b3 [xburst] Add 2.6.36 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23421 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-10-13 01:55:44 +00:00

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Diff

From b2334010a5d1d188e5123c30455a4356d66da645 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(-)
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1008,12 +1008,12 @@ fb_set_var(struct fb_info *info, struct
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;
}