Merge tag 'microblaze-v5.5-rc1' of git://git.monstr.eu/linux-2.6-microblaze

[linux.git] / drivers / acpi / acpi_video.c

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 4f325e47519f586b07708fbe4486b79a221ca8a9..2f380e7381d6a67afc7e3c0d8db506092ef6340a 100644 (file)
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -699,9 +699,13 @@ acpi_video_device_EDID(struct acpi_video_device *device,
  *                     event notify code.
  *     lcd_flag        :
  *             0.      The system BIOS should automatically control the brightness level
- *                     of the LCD when the power changes from AC to DC
+ *                     of the LCD when:
+ *                     - the power changes from AC to DC (ACPI appendix B)
+ *                     - a brightness hotkey gets pressed (implied by Win7/8 backlight docs)
  *             1.      The system BIOS should NOT automatically control the brightness
- *                     level of the LCD when the power changes from AC to DC.
+ *                     level of the LCD when:
+ *                     - the power changes from AC to DC (ACPI appendix B)
+ *                     - a brightness hotkey gets pressed (implied by Win7/8 backlight docs)
  *  Return Value:
  *             -EINVAL wrong arg.
  */