src/patches/suse-2.6.27.31/patches.arch/0007-msi-laptop-fingers-off-backlight.patch

   1 From: Thomas Renninger <trenn@suse.de>
   2 Subject: [PATCH] msi-laptop: 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 a8c338259a436627d2427d70dc31fac67b86b9e6
   6
   7 Signed-off-by: Thomas Renninger <trenn@suse.de>
   8 Signed-off-by: Andi Kleen <ak@linux.intel.com>
   9 ---
  10  drivers/misc/msi-laptop.c |   16 ++++++++++------
  11  1 files changed, 10 insertions(+), 6 deletions(-)
  12
  13 diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c
  14 index de898c6..759763d 100644
  15 --- a/drivers/misc/msi-laptop.c
  16 +++ b/drivers/misc/msi-laptop.c
  17 @@ -347,12 +347,16 @@ static int __init msi_init(void)
  18
  19         /* Register backlight stuff */
  20
  21 -       msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL,
  22 -                                               &msibl_ops);
  23 -       if (IS_ERR(msibl_device))
  24 -               return PTR_ERR(msibl_device);
  25 -
  26 -       msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
  27 +       if (acpi_video_backlight_support()) {
  28 +               printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
  29 +                      "by ACPI video driver\n");
  30 +       } else {
  31 +               msibl_device = backlight_device_register("msi-laptop-bl", NULL,
  32 +                                                        NULL, &msibl_ops);
  33 +               if (IS_ERR(msibl_device))
  34 +                       return PTR_ERR(msibl_device);
  35 +               msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
  36 +       }
  37
  38         ret = platform_driver_register(&msipf_driver);
  39         if (ret)
  40 --
  41 1.5.4.5
  42