diff -r 8a984d260a2d -r 3f0699f2e14c devicesrv_plat/light_chipset_api/inc/light_chipset_api.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devicesrv_plat/light_chipset_api/inc/light_chipset_api.h	Thu Oct 14 12:47:54 2010 +0300
@@ -0,0 +1,130 @@
+/*
+  light_chipset_api.h
+
+  Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 
+  All rights reserved.
+
+  This program and the accompanying materials are made available 
+  under the terms of the Eclipse Public License v1.0 which accompanies 
+  this distribution, and is available at 
+  http://www.eclipse.org/legal/epl-v10.html
+
+  Initial Contributors:
+  Nokia Corporation - initial contribution.
+
+  Contributors:
+*/
+
+/** @file
+@brief Light Chipset API H
+
+This is the header file for Light Chipset API that is used to access 
+the light service provided by the third party chipset vendor.
+
+@publishedDeviceAbstraction
+*/
+
+#ifndef __LIGHT_CHIPSET_API_H__
+#define __LIGHT_CHIPSET_API_H__
+
+// Include files
+
+#include <kern_priv.h>
+
+
+// Constants
+
+
+// Macros
+
+
+// Data types
+
+/**  
+* RGB values.
+*
+*/
+
+struct TLightColor
+{
+    TUint8 iRed;
+    TUint8 iGreen;
+    TUint8 iBlue;
+};
+
+// Function prototypes
+
+
+// Class declaration
+
+/**
+This class defines the Chipset API that is used to access 
+the light service provided by the third party chipset vendor.
+*/
+class LightService
+    {
+    public:
+
+        /**
+        This method is used to do all the necessary initialization so 
+        that the chipset is ready to provide the light service.
+
+        @return Symbian OS system wide error code, and the followings are required: 
+                KErrNone – the operation is successfully executed
+                KErrGeneral – error condition
+                KErrAlreadyExists – if trying to initialize twice
+
+        @pre Pre-condition, it should be called first before the other methods of this class are used 
+        */
+        IMPORT_C static TInt Init();
+
+        /**
+        This function is used to set the specified output to the desired intensity.
+
+        @param aOutputId The identity of the output line that shall be controlled
+        @param aIntensity	The desired intensity of the light with range 0 – 10000 [1/100%]
+
+        @return Symbian OS system wide error code, and the followings are required: 
+                KErrNone – the operation is successfully executed
+                KErrGeneral – error condition
+                KErrNotReady –if trying to access uninitialized device
+                KErrNotSupported – if the feature is not supported by the HW
+
+        @pre Pre-condition, the method Init() has been executed successfully
+        */
+        IMPORT_C static TInt SetIntensity(TUint aOutputId, TUint16 aIntensity);
+
+        /**
+        This function is used to set the specified output to the desired PWM frequency.
+
+        @param aOutputId The identity of the output line that shall be controlled
+        @param aFrequency	The PWM frequency from 0 to the maximum frequency available from the chipset (range 0 to 65535Hz)
+
+        @return Symbian OS system wide error code, and the followings are required: 
+                KErrNone – the operation is successfully executed
+                KErrGeneral – error condition
+                KErrNotReady – if trying to access uninitialized device
+                KErrNotSupported – if the feature is not supported by the HW
+
+        @pre Pre-condition, the method Init() has been executed successfully
+        */
+        IMPORT_C static TInt SetFrequency(TUint aOutputId, TUint16 aFrequency);
+        /**
+        This function is used to set the color of the LED target.
+
+        @param aOutputId The identity of the output line that shall be controlled
+        @param TLightColor	 	   The Light color structure to specify RGB values
+
+        @return Symbian OS system wide error code, and the followings are required: 
+                KErrNone – the operation is successfully executed
+                KErrGeneral – error condition
+                KErrNotReady – if trying to access uninitialized device
+                KErrNotSupported – if the feature is not supported by the HW
+
+        @pre Pre-condition, the method Init() has been executed successfully
+        */
+        IMPORT_C static TInt SetColor(TUint aOutputId, TLightColor aRGB);
+
+    };
+
+#endif // __LIGHT_CHIPSET_API_H__