diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-23 13:37:43 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2017-05-09 13:02:59 +0800 |
| commit | 370d1ebea6e55b2f463748a069f997e209e9df3f (patch) | |
| tree | bd95d26f0614f3593326c4a788d2372e9abee869 /Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/Video.asl | |
| parent | 5f7e96419eba9dae61a6fc1efe4dbad2de9b862a (diff) | |
| download | edk2-platforms-370d1ebea6e55b2f463748a069f997e209e9df3f.tar.xz | |
BroxtonPlatformPkg: Add AcpiTablesPCAT
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/Video.asl')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/Video.asl | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/Video.asl b/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/Video.asl new file mode 100644 index 0000000000..d9151b89d3 --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/Video.asl @@ -0,0 +1,32 @@ +/** @file
+ Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+External(\_SB.PCI0.GFX0.DD1F)
+
+// Brightness Notification:
+// Generate a brightness related notification
+// to the LFP if its populated.
+//
+// Arguments:
+// Arg0: Notification value.
+//
+// Return Value:
+// None
+
+Method(BRTN,1,Serialized)
+{
+ If (LEqual(And(DIDX,0x0F00),0x400)) {
+ Notify(\_SB.PCI0.GFX0.DD1F,Arg0)
+ }
+}
+
|