Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Video.asl

   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
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  18
  19 // Brightness Notification:
  20 //              Generate a brightness related notification
  21 //      to the LFP if its populated.
  22 //
  23 //      Arguments:
  24 //              Arg0:   Notification value.
  25 //
  26 //      Return Value:
  27 //              None
  28 Method(BRTN,1,Serialized)
  29 {
  30   If(LEqual(And(DIDX,0x0F00),0x400))
  31   {
  32     Notify(\_SB.PCI0.GFX0.DD1F,Arg0)
  33   }
  34 }