src/patches/suse-2.6.27.25/patches.arch/0004-Compal-fingers-off-backlight.patch

   1 From: Thomas Renninger <trenn@suse.de>
   2 Subject: [PATCH] compal: fingers off backlight if video.ko is serving this functionality
   3 Patch-Mainline: queued for .28 in Len's/ak's ACPI tree
   4
   5 commit efbc58e3236022d040e1c1f177ee5971d46b034f
   6
   7 Signed-off-by: Thomas Renninger <trenn@suse.de>
   8 Signed-off-by: Andi Kleen <ak@linux.intel.com>
   9 ---
  10  drivers/misc/compal-laptop.c |   12 +++++++-----
  11  1 files changed, 7 insertions(+), 5 deletions(-)
  12
  13 diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c
  14 index 344b790..11003bb 100644
  15 --- a/drivers/misc/compal-laptop.c
  16 +++ b/drivers/misc/compal-laptop.c
  17 @@ -326,12 +326,14 @@ static int __init compal_init(void)
  18
  19         /* Register backlight stuff */
  20
  21 -       compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
  22 -                                               &compalbl_ops);
  23 -       if (IS_ERR(compalbl_device))
  24 -               return PTR_ERR(compalbl_device);
  25 +       if (!acpi_video_backlight_support()) {
  26 +               compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
  27 +                                                           &compalbl_ops);
  28 +               if (IS_ERR(compalbl_device))
  29 +                       return PTR_ERR(compalbl_device);
  30
  31 -       compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
  32 +               compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
  33 +       }
  34
  35         ret = platform_driver_register(&compal_driver);
  36         if (ret)
  37 --
  38 1.5.4.5
  39