target/linux/xburst/patches-2.6.36/420-fb-notifier-pre-post.patch

   1 From b2334010a5d1d188e5123c30455a4356d66da645 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 --- a/drivers/video/fbmem.c
  11 +++ b/drivers/video/fbmem.c
  12 @@ -1008,12 +1008,12 @@ fb_set_var(struct fb_info *info, struct
  13  int
  14  fb_blank(struct fb_info *info, int blank)
  15  {
  16 -       int ret = -EINVAL;
  17 +       int ret = 0;
  18
  19         if (blank > FB_BLANK_POWERDOWN)
  20                 blank = FB_BLANK_POWERDOWN;
  21
  22 -       if (info->fbops->fb_blank)
  23 +       if (info->fbops->fb_blank && blank == FB_BLANK_UNBLANK)
  24                 ret = info->fbops->fb_blank(blank, info);
  25
  26         if (!ret) {
  27 @@ -1024,6 +1024,10 @@ fb_blank(struct fb_info *info, int blank
  28                 fb_notifier_call_chain(FB_EVENT_BLANK, &event);
  29         }
  30
  31 +       if (info->fbops->fb_blank && blank != FB_BLANK_UNBLANK)
  32 +               ret = info->fbops->fb_blank(blank, info);
  33 +
  34 +
  35         return ret;
  36  }
  37