diff -r 578be2adaf3e -r 307f4279f433 Adaptation/GUID-4DAC39E0-2EC2-40F7-9AEF-4FDA09F1A151.dita
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adaptation/GUID-4DAC39E0-2EC2-40F7-9AEF-4FDA09F1A151.dita	Fri Oct 15 14:32:18 2010 +0100
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-4DAC39E0-2EC2-40F7-9AEF-4FDA09F1A151" xml:lang="en"><title>Asynchronous
+Requests</title><shortdesc>This document discusses the use of asynchronous requests by device
+drivers.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>An asynchronous request is typically used to start an operation on a device
+that completes at a later point of time. It returns immediately after starting
+the operation on the device or making a request to the driver. The user side
+thread is not blocked and can continue with other operations, including issuing
+other requests (synchronous or asynchronous). </p>
+<p>A driver lists the available asynchronous request types in an enumeration. </p>
+</conbody></concept>
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