MdeModulePkg/UsbKb: ReadKeyStrokeEx always return key state

[mirror_edk2.git] / MdeModulePkg / Bus / Usb / UsbKbDxe / KeyBoard.h

diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.h b/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.h
index b3eb3e462f4bfdd688fd4f1d1843673861bab866..87f2132eac82bbe60717862480c422407c74e4b4 100644 (file)
--- a/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.h
+++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.h
@@ -1,7 +1,7 @@
 /** @file\r
   Function prototype for USB Keyboard Driver.\r
 \r
-Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -317,4 +317,16 @@ SetKeyLED (
   IN  USB_KB_DEV    *UsbKeyboardDevice\r
   );\r
 \r
+/**\r
+  Initialize the key state.\r
+\r
+  @param  UsbKeyboardDevice     The USB_KB_DEV instance.\r
+  @param  KeyState              A pointer to receive the key state information.\r
+**/\r
+VOID\r
+InitializeKeyState (\r
+  IN  USB_KB_DEV           *UsbKeyboardDevice,\r
+  OUT EFI_KEY_STATE        *KeyState\r
+  );\r
+\r
 #endif\r