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

   1 From 120357be9b85936519d6a141748c319745046f71 Mon Sep 17 00:00:00 2001
   2 From: Lars-Peter Clausen <lars@metafoo.de>
   3 Date: Sat, 24 Apr 2010 12:23:28 +0200
   4 Subject: [PATCH] Framebuffer notifier: Call notifier callbacks prior to blanking the screen
   5
   6 ---
   7  drivers/video/fbmem.c |    8 ++++++--
   8  1 files changed, 6 insertions(+), 2 deletions(-)
   9
  10 diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
  11 index a15b44e..4eec79c 100644
  12 --- a/drivers/video/fbmem.c
  13 +++ b/drivers/video/fbmem.c
  14 @@ -1008,12 +1008,12 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
  15  int
  16  fb_blank(struct fb_info *info, int blank)
  17  {
  18 -       int ret = -EINVAL;
  19 +       int ret = 0;
  20
  21         if (blank > FB_BLANK_POWERDOWN)
  22                 blank = FB_BLANK_POWERDOWN;
  23
  24 -       if (info->fbops->fb_blank)
  25 +       if (info->fbops->fb_blank && blank == FB_BLANK_UNBLANK)
  26                 ret = info->fbops->fb_blank(blank, info);
  27
  28         if (!ret) {
  29 @@ -1024,6 +1024,10 @@ fb_blank(struct fb_info *info, int blank)
  30                 fb_notifier_call_chain(FB_EVENT_BLANK, &event);
  31         }
  32
  33 +       if (info->fbops->fb_blank && blank != FB_BLANK_UNBLANK)
  34 +               ret = info->fbops->fb_blank(blank, info);
  35 +
  36 +
  37         return ret;
  38  }
  39
  40 --
  41 1.5.6.5
  42