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diff --git a/ReferenceCode/Chipset/LynxPoint/Include/Library/PchSmbusLibrary.h b/ReferenceCode/Chipset/LynxPoint/Include/Library/PchSmbusLibrary.h
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+++ b/ReferenceCode/Chipset/LynxPoint/Include/Library/PchSmbusLibrary.h
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+/** @file
+  Header file for Pch Smbus Lib.
+
+@copyright
+  Copyright (c) 2011 - 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains a 'Sample Driver' and is licensed as such
+  under the terms of your license agreement with Intel or your
+  vendor.  This file may be modified by the user, subject to
+  the additional terms of the license agreement
+**/
+#ifndef _PCH_SMBUS_LIBRARY_H_
+#define _PCH_SMBUS_LIBRARY_H_
+
+/**
+  This function provides a standard way to execute Smbus sequential
+  I2C Read. This function allows the PCH to perform block reads to
+  certain I2C devices, such as serial E2PROMs. Typically these data
+  bytes correspond to an offset (address) within the serial memory
+  chips.
+
+  @param[in] SmBusAddress         Address that encodes the SMBUS Slave Address,
+                                  SMBUS Command, SMBUS Data Length, and PEC.
+  @param[out] Buffer              Pointer to the buffer to store the bytes read
+                                  from the SMBUS
+  @param[out] Status              eturn status for the executed command.
+
+  @retval UINTN                   The number of bytes read
+**/
+UINTN
+EFIAPI
+SmBusSeqI2CRead (
+  IN  UINTN          SmBusAddress,
+  OUT VOID           *Buffer,
+  OUT RETURN_STATUS  * Status OPTIONAL
+  );
+#endif