X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=Vlv2DeviceRefCodePkg%2FAcpiTablesPCAT%2FPciTree.asl;h=2a57d0f887a1b091af9036071298e1a9b1675a9b;hp=84a7ee21d0252ee1d6c1aa731ea86d6c0054f117;hb=52a99493cce88a9d4ec8a02d7f1bd1a1001ce60d;hpb=d28f77df0f51f84b0af79f09abe2c27b1f1aaa69

diff --git a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/PciTree.asl b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/PciTree.asl
index 84a7ee21d0..2a57d0f887 100644
--- a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/PciTree.asl
+++ b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/PciTree.asl
@@ -5,7 +5,7 @@
 ;*    Family of Customer Reference Boards.                                *;
 ;*                                                                        *;
 ;*                                                                        *;
-;*    Copyright (c) 2012  - 2014, Intel Corporation. All rights reserved    *;
+;*    Copyright (c) 2012  - 2015, Intel Corporation. All rights reserved    *;
 ;
 ; This program and the accompanying materials are licensed and made available under
 ; the terms and conditions of the BSD License that accompanies this distribution.
@@ -21,7 +21,6 @@
 
 Scope(\_SB)
 {
-
 //RTC
   Device(RTC)    // RTC
   {
@@ -31,6 +30,17 @@ Scope(\_SB)
     {
       IO(Decode16,0x70,0x70,0x01,0x08)
     })
+
+    Method(_STA,0,Serialized) {
+
+      //
+      // Report RTC Battery is Prensent or Not Present.
+      //
+      If (LEqual(BATT, 1)) {
+        Return (0xF)
+      }
+      Return (0x0)
+    }
   }
 //RTC