Merge branch 'acpi-video'

* acpi-video:
  ACPI / video: driver must be registered before checking for keypresses
  ACPI / video: Add a quirk to force acpi-video backlight on SAMSUNG 530U4E/540U4E
  ACPI / video: Add quirks for the Dell Vostro V131
  ACPI / video: Add a module option to disable the reporting of keypresses
  thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()
  dell-wmi: Use acpi_video_handles_brightness_key_presses()
  ACPI / video: Add a acpi_video_handles_brightness_key_presses() helper