Video.asl 1.3 KB

12345678910111213141516171819202122232425262728293031323334
  1. /**************************************************************************;
  2. ;* *;
  3. ;* *;
  4. ;* Intel Corporation - ACPI Reference Code for the Baytrail *;
  5. ;* Family of Customer Reference Boards. *;
  6. ;* *;
  7. ;* *;
  8. ;* Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved *;
  9. ;
  10. ; SPDX-License-Identifier: BSD-2-Clause-Patent
  11. ;
  12. ;* *;
  13. ;* *;
  14. ;**************************************************************************/
  15. // Brightness Notification:
  16. // Generate a brightness related notification
  17. // to the LFP if its populated.
  18. //
  19. // Arguments:
  20. // Arg0: Notification value.
  21. //
  22. // Return Value:
  23. // None
  24. Method(BRTN,1,Serialized)
  25. {
  26. If(LEqual(And(DIDX,0x0F00),0x400))
  27. {
  28. Notify(\_SB.PCI0.GFX0.DD1F,Arg0)
  29. }
  30. }