usbmgmt/usbmgr/usbman/server/SRC/CUsbOtg.cpp
branchRCL_3
changeset 16 012cc2ee6408
parent 15 f92a4f87e424
equal deleted inserted replaced
15:f92a4f87e424 16:012cc2ee6408
     1 /*
     1 /*
     2 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
    19 
    19 
    20 /**
    20 /**
    21  @file
    21  @file
    22 */
    22 */
    23 
    23 
    24 #include <e32property.h> //Publish & Subscribe header
       
    25 #include "CUsbOtg.h"
    24 #include "CUsbOtg.h"
    26 #include "cusbotgwatcher.h"
    25 #include "cusbotgwatcher.h"
    27 #include "CUsbDevice.h"
    26 #include "CUsbDevice.h"
    28 #include "musbotghostnotifyobserver.h"
    27 #include "musbotghostnotifyobserver.h"
    29 #include "CUsbServer.h"
    28 #include "CUsbServer.h"
       
    29 #include <e32property.h> //Publish & Subscribe header
    30 #include "usberrors.h"
    30 #include "usberrors.h"
    31 #include "OstTraceDefinitions.h"
       
    32 #ifdef OST_TRACE_COMPILER_IN_USE
       
    33 #include "CUsbOtgTraces.h"
       
    34 #endif
       
    35 
       
    36 
    31 
    37 //Name used in call to User::LoadLogicalDevice/User::FreeLogicalDevice
    32 //Name used in call to User::LoadLogicalDevice/User::FreeLogicalDevice
    38 _LIT(KUsbOtgLDDName,"otgdi");
    33 _LIT(KUsbOtgLDDName,"otgdi");
    39 
    34 
       
    35 #ifdef __FLOG_ACTIVE
       
    36 _LIT8(KLogComponent, "USBSVR-OTG");
       
    37 #endif
    40 
    38 
    41 
    39 
    42 CUsbOtg* CUsbOtg::NewL()
    40 CUsbOtg* CUsbOtg::NewL()
    43 /**
    41 /**
    44  * Constructs a CUsbOtg object.
    42  * Constructs a CUsbOtg object.
    45  *
    43  *
    46  * @return	A new CUsbOtg object
    44  * @return	A new CUsbOtg object
    47  */
    45  */
    48 	{
    46 	{
    49 	OstTraceFunctionEntry0( CUSBOTG_NEWL_ENTRY );
    47 	LOG_STATIC_FUNC_ENTRY
    50 
    48 
    51 	CUsbOtg* self = new (ELeave) CUsbOtg();
    49 	CUsbOtg* self = new (ELeave) CUsbOtg();
    52 	CleanupStack::PushL(self);
    50 	CleanupStack::PushL(self);
    53 	self->ConstructL();
    51 	self->ConstructL();
    54 	CleanupStack::Pop(self);
    52 	CleanupStack::Pop(self);
    55 	OstTraceFunctionExit0( CUSBOTG_NEWL_EXIT );
       
    56 	return self;
    53 	return self;
    57 	}
    54 	}
    58 
    55 
    59 
    56 
    60 CUsbOtg::~CUsbOtg()
    57 CUsbOtg::~CUsbOtg()
    61 /**
    58 /**
    62  * Destructor.
    59  * Destructor.
    63  */
    60  */
    64 	{
    61 	{
    65 	OstTraceFunctionEntry0( CUSBOTG_CUSBOTG_DES_ENTRY );
    62 	LOG_FUNC
       
    63 
    66 	// Cancel any outstanding asynchronous operation.
    64 	// Cancel any outstanding asynchronous operation.
    67 	Stop();
    65 	Stop();
    68 	
    66 	
    69 	// Free any memory allocated to the list of observers. Note that
    67 	// Free any memory allocated to the list of observers. Note that
    70 	// we don't want to call ResetAndDestroy, because we don't own
    68 	// we don't want to call ResetAndDestroy, because we don't own
    71 	// the observers themselves.
    69 	// the observers themselves.
    72 	iObservers.Reset();
    70 	iObservers.Reset();
    73 	
    71 	
    74 	OstTrace1( TRACE_NORMAL, CUSBOTG_CUSBOTG, "CUsbOtg::~CUsbOtg;iIdPinWatcher=%08x", (TUint32)iIdPinWatcher );
    72 	LOGTEXT2(_L8("about to stop Id-Pin watcher @ %08x"), (TUint32) iIdPinWatcher);
    75 	
       
    76 	if (iIdPinWatcher)
    73 	if (iIdPinWatcher)
    77 		{
    74 		{
    78 		iIdPinWatcher->Cancel();
    75 		iIdPinWatcher->Cancel();
    79 		delete iIdPinWatcher;
    76 		delete iIdPinWatcher;
    80 		iIdPinWatcher = NULL;
    77 		iIdPinWatcher = NULL;
    81 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP1, "CUsbOtg::~CUsbOtg;deleted Id-Pin watcher" );
    78 		LOGTEXT(_L8("deleted Id-Pin watcher"));
    82 		
    79 		}
    83 		}
    80 	LOGTEXT2(_L8("about to stop Vbus watcher @ %08x"), (TUint32) iVbusWatcher);
    84 	OstTrace1( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP2, "CUsbOtg::~CUsbOtg;about to stop Vbus watcher @ %08x", (TUint32)iVbusWatcher );
       
    85 	
       
    86 	if (iVbusWatcher)
    81 	if (iVbusWatcher)
    87 		{
    82 		{
    88 		iVbusWatcher->Cancel();
    83 		iVbusWatcher->Cancel();
    89 		delete iVbusWatcher;
    84 		delete iVbusWatcher;
    90 		iVbusWatcher = NULL;
    85 		iVbusWatcher = NULL;
    91 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP3, "CUsbOtg::~CUsbOtg;deleted Vbus watcher" );
    86 		LOGTEXT(_L8("deleted Vbus watcher"));
    92 		
    87 		}
    93 		}
    88 	LOGTEXT2(_L8("about to stop OTG State watcher @ %08x"), (TUint32) iVbusWatcher);
    94 	OstTrace1( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP4, "CUsbOtg::~CUsbOtg;about to stop OTG State watcher @ %08x", (TUint32) iVbusWatcher );
       
    95 	
       
    96 	if (iOtgStateWatcher)
    89 	if (iOtgStateWatcher)
    97 		{
    90 		{
    98 		iOtgStateWatcher->Cancel();
    91 		iOtgStateWatcher->Cancel();
    99 		delete iOtgStateWatcher;
    92 		delete iOtgStateWatcher;
   100 		iOtgStateWatcher = NULL;
    93 		iOtgStateWatcher = NULL;
   101 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP5, "CUsbOtg::~CUsbOtg;deleted OTG State watcher" );
    94 		LOGTEXT(_L8("deleted OTG State watcher"));
   102 		
    95 		}
   103 		}
    96 	LOGTEXT2(_L8("about to stop OTG Event watcher @ %08x"), (TUint32) iVbusWatcher);
   104 	OstTrace1( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP6, "CUsbOtg::~CUsbOtg;about to stop OTG Event watcher @ %08x", (TUint32) iVbusWatcher );
       
   105 	
       
   106 	if (iOtgEventWatcher)
    97 	if (iOtgEventWatcher)
   107 		{
    98 		{
   108 		iOtgEventWatcher->Cancel();
    99 		iOtgEventWatcher->Cancel();
   109 		delete iOtgEventWatcher;
   100 		delete iOtgEventWatcher;
   110 		iOtgEventWatcher = NULL;
   101 		iOtgEventWatcher = NULL;
   111 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP7, "CUsbOtg::~CUsbOtg;deleted OTG Event watcher" );
   102 		LOGTEXT(_L8("deleted OTG Event watcher"));
   112 
       
   113 		}
   103 		}
   114 	
   104 	
   115 	if (iRequestSessionWatcher)
   105 	if (iRequestSessionWatcher)
   116 		{
   106 		{
   117 		delete iRequestSessionWatcher;
   107 		delete iRequestSessionWatcher;
   118 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP8, "CUsbOtg::~CUsbOtg;deleted Session Request watcher" );
   108 		LOGTEXT(_L8("deleted Session Request watcher"));
   119 		
   109 		}
   120 		}
   110 
   121 
   111 	LOGTEXT2(_L8("about to stop Connection Idle watcher @ %08x"), (TUint32)iOtgConnectionIdleWatcher);
   122 	OstTrace1( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP9, 
       
   123 	        "CUsbOtg::~CUsbOtg;about to stop Connection Idle watcher @ %08x", (TUint32)iOtgConnectionIdleWatcher );
       
   124 	
       
   125 	if (iOtgConnectionIdleWatcher)
   112 	if (iOtgConnectionIdleWatcher)
   126 		{
   113 		{
   127 		iOtgConnectionIdleWatcher->Cancel();
   114 		iOtgConnectionIdleWatcher->Cancel();
   128 		delete iOtgConnectionIdleWatcher;
   115 		delete iOtgConnectionIdleWatcher;
   129 		iOtgConnectionIdleWatcher= NULL;
   116 		iOtgConnectionIdleWatcher= NULL;
   130 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP10, "CUsbOtg::~CUsbOtg;deleted Connection Idle watcher" );
   117 		LOGTEXT(_L8("deleted Connection Idle watcher"));
   131 		
       
   132 		}
   118 		}
   133 
   119 
   134 	// Unload OTGDI components if it was ever started
   120 	// Unload OTGDI components if it was ever started
   135 	if ( iOtgDriver.Handle() )
   121 	if ( iOtgDriver.Handle() )
   136 		{
   122 		{
   137 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP11, "CUsbOtg::~CUsbOtg; Stopping stacks" );
   123 		LOGTEXT(_L8("Stopping stacks"));
   138 		
       
   139 		iOtgDriver.StopStacks();
   124 		iOtgDriver.StopStacks();
   140 		iOtgDriver.Close();
   125 		iOtgDriver.Close();
   141 		}
   126 		}
   142 	else
   127 	else
   143 		{
   128 		{
   144 		OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP12, "CUsbOtg::~CUsbOtg; No OTG Driver session was opened, nothing to do" );
   129 		LOGTEXT(_L8("No OTG Driver session was opened, nothing to do"));
   145 		
   130 		}
   146 		}
   131 
   147 
   132 	LOGTEXT(_L8("Freeing logical device"));
   148 	OstTrace0( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP13, "CUsbOtg::~CUsbOtg; Freeing logical device" );
       
   149 	
       
   150 	TInt err = User::FreeLogicalDevice(KUsbOtgLDDName);
   133 	TInt err = User::FreeLogicalDevice(KUsbOtgLDDName);
   151 	//Putting the LOGTEXT2 inside the if statement prevents a compiler
   134 	//Putting the LOGTEXT2 inside the if statement prevents a compiler
   152 	//warning about err being unused in UREL builds.
   135 	//warning about err being unused in UREL builds.
   153 	if(err)
   136 	if(err)
   154 		{
   137 		{
   155 		OstTrace1( TRACE_NORMAL, CUSBOTG_CUSBOTG_DUP14, "CUsbOtg::~CUsbOtg;     User::FreeLogicalDevice returned %d", err );
   138 		LOGTEXT2(_L8("     User::FreeLogicalDevice returned %d"),err);
   156 		
       
   157 		}
   139 		}
   158 	
   140 	
   159 	iCriticalSection.Close();
   141 	iCriticalSection.Close();
   160 	OstTraceFunctionExit0( CUSBOTG_CUSBOTG_DES_EXIT );
       
   161 	}
   142 	}
   162 
   143 
   163 
   144 
   164 CUsbOtg::CUsbOtg()
   145 CUsbOtg::CUsbOtg()
   165 /**
   146 /**
   166  * Constructor.
   147  * Constructor.
   167  */
   148  */
   168 	{
   149 	{
   169     OstTraceFunctionEntry0( CUSBOTG_CUSBOTG_CONS_ENTRY );
   150 	LOG_FUNC
   170     
       
   171 	OstTraceFunctionExit0( CUSBOTG_CUSBOTG_CONS_EXIT );
       
   172 	}
   151 	}
   173 
   152 
   174 
   153 
   175 void CUsbOtg::ConstructL()
   154 void CUsbOtg::ConstructL()
   176 /**
   155 /**
   177  * Performs 2nd phase construction of the OTG object.
   156  * Performs 2nd phase construction of the OTG object.
   178  */
   157  */
   179 	{
   158 	{
   180 	OstTraceFunctionEntry0( CUSBOTG_CONSTRUCTL_ENTRY );
   159 	LOG_FUNC
   181 	
   160 	
   182 	OstTrace0( TRACE_NORMAL, CUSBOTG_CONSTRUCTL, "CUsbOtg::ConstructL; About to open LDD" );
   161 	LOGTEXT(_L8("About to open LDD"));
   183 	
       
   184 	iLastError = User::LoadLogicalDevice(KUsbOtgLDDName);
   162 	iLastError = User::LoadLogicalDevice(KUsbOtgLDDName);
   185 	if ( (iLastError != KErrNone) && (iLastError != KErrAlreadyExists) )
   163 	if ( (iLastError != KErrNone) && (iLastError != KErrAlreadyExists) )
   186 		{
   164 		{
   187         if(iLastError < 0)
   165 		LOGTEXT3(_L8("Error %d: Unable to load driver: %S"), iLastError, &KUsbOtgLDDName);
   188             {
   166 		LEAVEIFERRORL(iLastError);
   189             OstTraceExt2( TRACE_NORMAL, CUSBOTG_CONSTRUCTL_DUP1, "CUsbOtg::ConstructL; Error %d: Unable to load driver: %S", iLastError, KUsbOtgLDDName );
   167 		}
   190             User::Leave(iLastError);
   168 
   191             }
   169 	LOGTEXT(_L8("About to open RUsbOtgDriver"));
   192 		}
       
   193 	OstTrace0( TRACE_NORMAL, CUSBOTG_CONSTRUCTL_DUP3, "CUsbOtg::ConstructL; About to open RUsbOtgDriver" );
       
   194 	
       
   195 	iLastError = iOtgDriver.Open();
   170 	iLastError = iOtgDriver.Open();
   196 	if ( (iLastError != KErrNone) && (iLastError != KErrAlreadyExists) )
   171 	if ( (iLastError != KErrNone) && (iLastError != KErrAlreadyExists) )
   197 		{
   172 		{
   198         if(iLastError < 0)
   173 		LOGTEXT2(_L8("Error %d: Unable to open RUsbOtgDriver session"), iLastError);
   199             {
   174 		LEAVEIFERRORL(iLastError);
   200             OstTrace1( TRACE_NORMAL, CUSBOTG_CONSTRUCTL_DUP4, "CUsbOtg::ConstructL; Error %d: Unable to open RUsbOtgDriver session", iLastError );
   175 		}
   201             User::Leave(iLastError);
   176 
   202             }	
   177 
   203 		}
   178 	LOGTEXT(_L8("About to start OTG stacks"));
   204 
       
   205 	OstTrace0( TRACE_NORMAL, CUSBOTG_CONSTRUCTL_DUP2, "CUsbOtg::ConstructL; About to start OTG stacks" );
       
   206 	
       
   207 	iLastError = iOtgDriver.StartStacks();
   179 	iLastError = iOtgDriver.StartStacks();
   208 	if (iLastError != KErrNone)
   180 	if (iLastError != KErrNone)
   209 		{
   181 		{
   210         if(iLastError < 0)
   182 		LOGTEXT2(_L8("Error %d: Unable to open start OTG stacks"), iLastError);
   211             {
   183 		LEAVEIFERRORL(iLastError);
   212             OstTrace1( TRACE_NORMAL, CUSBOTG_CONSTRUCTL_DUP5, "CUsbOtg::ConstructL; Error %d: Unable to open start OTG stacks", iLastError );
       
   213             User::Leave(iLastError);
       
   214             }
       
   215 		}
   184 		}
   216 
   185 
   217 	// Request Otg notifications
   186 	// Request Otg notifications
   218 	iIdPinWatcher = CUsbOtgIdPinWatcher::NewL(iOtgDriver);
   187 	iIdPinWatcher = CUsbOtgIdPinWatcher::NewL(iOtgDriver);
   219 	iIdPinWatcher->Start();
   188 	iIdPinWatcher->Start();
   232 
   201 
   233 	iRequestSessionWatcher = CRequestSessionWatcher::NewL(*this);
   202 	iRequestSessionWatcher = CRequestSessionWatcher::NewL(*this);
   234 	
   203 	
   235 	iCriticalSection.CreateLocal(EOwnerProcess);
   204 	iCriticalSection.CreateLocal(EOwnerProcess);
   236 	
   205 	
   237 	OstTrace0( TRACE_NORMAL, CUSBOTG_CONSTRUCTL_DUP6, "CUsbOtg::ConstructL; UsbOtg::ConstructL() finished" );
   206 	LOGTEXT(_L8("UsbOtg::ConstructL() finished"));
   238 	
       
   239 	OstTraceFunctionExit0( CUSBOTG_CONSTRUCTL_EXIT );
       
   240 	}
   207 	}
   241 	
   208 	
   242 void CUsbOtg::NotifyMessage(TInt aMessage)
   209 void CUsbOtg::NotifyMessage(TInt aMessage)
   243 /**
   210 /**
   244  * The CUsbOtg::NotifyMessage method
   211  * The CUsbOtg::NotifyMessage method
   306 	{
   273 	{
   307 	TUint length = iObservers.Count();
   274 	TUint length = iObservers.Count();
   308 	TInt otgEvent = TranslateOtgEvent();
   275 	TInt otgEvent = TranslateOtgEvent();
   309 	if ( otgEvent == KErrBadName )
   276 	if ( otgEvent == KErrBadName )
   310 		{
   277 		{
   311 		OstTrace1( TRACE_NORMAL, CUSBOTG_NOTIFYOTGEVENT,
   278 		LOGTEXT2(_L8("CUsbOtg::NotifyOtgEvent(): OTG event %d was reported, but not propagated"), (TInt) iOtgEvent);
   312 		        "CUsbOtg::NotifyOtgEvent;OTG event %d was reported, but not propagated", (TInt)iOtgEvent );
       
   313 		
       
   314 		return;
   279 		return;
   315 		}
   280 		}
   316 
   281 
   317 	for (TUint i = 0; i < length; i++)
   282 	for (TUint i = 0; i < length; i++)
   318 		{
   283 		{
   326  * Presently, the device supports watching state.
   291  * Presently, the device supports watching state.
   327  *
   292  *
   328  * @param	aObserver	New Observer of the OTG events
   293  * @param	aObserver	New Observer of the OTG events
   329  */
   294  */
   330 	{
   295 	{
   331 	OstTraceFunctionEntry0( CUSBOTG_REGISTEROBSERVERL_ENTRY );
   296 	LOG_FUNC
   332 
   297 
   333     TInt err = iObservers.Append(&aObserver);
   298 	LEAVEIFERRORL(iObservers.Append(&aObserver));
   334     if(err < 0)
       
   335         {
       
   336         OstTrace1( TRACE_NORMAL, CUSBOTG_REGISTEROBSERVERL, "CUsbOtg::RegisterObserverL; iObservers.Append(&aObserver) error, Leave error=%d", err );
       
   337         User::Leave(err);
       
   338         }
       
   339 
       
   340 	OstTraceFunctionExit0( CUSBOTG_REGISTEROBSERVERL_EXIT );
       
   341 	}
   299 	}
   342 
   300 
   343 
   301 
   344 void CUsbOtg::DeRegisterObserver(MUsbOtgHostNotifyObserver& aObserver)
   302 void CUsbOtg::DeRegisterObserver(MUsbOtgHostNotifyObserver& aObserver)
   345 /**
   303 /**
   346  * De-registers an existing OTG events observer.
   304  * De-registers an existing OTG events observer.
   347  *
   305  *
   348  * @param	aObserver	The existing OTG events observer to be de-registered
   306  * @param	aObserver	The existing OTG events observer to be de-registered
   349  */
   307  */
   350 	{
   308 	{
   351 	OstTraceFunctionEntry0( CUSBOTG_DEREGISTEROBSERVER_ENTRY );
   309 	LOG_FUNC
   352 
   310 
   353 	TInt index = iObservers.Find(&aObserver);
   311 	TInt index = iObservers.Find(&aObserver);
   354 
   312 
   355 	if (index >= 0 && index < iObservers.Count())
   313 	if (index >= 0 && index < iObservers.Count())
   356 		{
   314 		{
   357 		iObservers.Remove(index);
   315 		iObservers.Remove(index);
   358 		}
   316 		}
   359 	OstTraceFunctionExit0( CUSBOTG_DEREGISTEROBSERVER_EXIT );
       
   360 	}
   317 	}
   361 
   318 
   362 
   319 
   363 void CUsbOtg::StartL()
   320 void CUsbOtg::StartL()
   364 /**
   321 /**
   365  * Start the USB OTG events watcher
   322  * Start the USB OTG events watcher
   366  * Reports errors and OTG events via observer interface.
   323  * Reports errors and OTG events via observer interface.
   367  */
   324  */
   368 	{
   325 	{
   369 	OstTraceFunctionEntry0( CUSBOTG_STARTL_ENTRY );
   326 	LOG_FUNC
   370 
   327 
   371 	iOtgWatcher = CUsbOtgWatcher::NewL(*this, iOtgDriver, iOtgMessage);
   328 	iOtgWatcher = CUsbOtgWatcher::NewL(*this, iOtgDriver, iOtgMessage);
   372 	iOtgWatcher->Start();
   329 	iOtgWatcher->Start();
   373 	OstTraceFunctionExit0( CUSBOTG_STARTL_EXIT );
       
   374 	}
   330 	}
   375 
   331 
   376 void CUsbOtg::Stop()
   332 void CUsbOtg::Stop()
   377 /**
   333 /**
   378  * Stop the USB OTG events watcher
   334  * Stop the USB OTG events watcher
   379  */
   335  */
   380 	{
   336 	{
   381 	OstTraceFunctionEntry0( CUSBOTG_STOP_ENTRY );
   337 	LOG_FUNC
   382 
   338 
   383 	OstTrace1( TRACE_NORMAL, CUSBOTG_STOP, "CUsbOtg::Stop;about to stop OTG watcher @ %08x", (TUint32)iOtgWatcher );
   339 	LOGTEXT2(_L8("about to stop OTG watcher @ %08x"), (TUint32) iOtgWatcher);
   384 	
       
   385 	
   340 	
   386 	if (iOtgWatcher)
   341 	if (iOtgWatcher)
   387 		{
   342 		{
   388 		iOtgWatcher->Cancel();
   343 		iOtgWatcher->Cancel();
   389 		delete iOtgWatcher;
   344 		delete iOtgWatcher;
   390 		iOtgWatcher = NULL;
   345 		iOtgWatcher = NULL;
   391 		OstTrace0( TRACE_NORMAL, CUSBOTG_STOP_DUP1, "CUsbOtg::Stop" );
   346 		LOGTEXT(_L8("deleted OTG watcher"));
   392 		
       
   393 		}
   347 		}
   394 	
   348 	
   395 	iLastError = KErrNone;
   349 	iLastError = KErrNone;
   396 	OstTraceFunctionExit0( CUSBOTG_STOP_EXIT );
       
   397 	}
   350 	}
   398 
   351 
   399 TInt CUsbOtg::BusRequest()
   352 TInt CUsbOtg::BusRequest()
   400 	{
   353 	{
   401 	OstTraceFunctionEntry0( CUSBOTG_BUSREQUEST_ENTRY );
   354 	LOG_FUNC
   402 	return iOtgDriver.BusRequest();
   355 	return iOtgDriver.BusRequest();
   403 	}
   356 	}
   404 	
   357 	
   405 TInt CUsbOtg::BusRespondSrp()
   358 TInt CUsbOtg::BusRespondSrp()
   406 	{
   359 	{
   407 	OstTraceFunctionEntry0( CUSBOTG_BUSRESPONDSRP_ENTRY );
   360 	LOG_FUNC
   408 	return iOtgDriver.BusRespondSrp();
   361 	return iOtgDriver.BusRespondSrp();
   409 	}
   362 	}
   410 
   363 
   411 TInt CUsbOtg::BusClearError()
   364 TInt CUsbOtg::BusClearError()
   412 	{
   365 	{
   413 	OstTraceFunctionEntry0( CUSBOTG_BUSCLEARERROR_ENTRY );
   366 	LOG_FUNC
   414 	return iOtgDriver.BusClearError();
   367 	return iOtgDriver.BusClearError();
   415 	}
   368 	}
   416 
   369 
   417 TInt CUsbOtg::BusDrop()
   370 TInt CUsbOtg::BusDrop()
   418 	{
   371 	{
   419 	OstTraceFunctionEntry0( CUSBOTG_BUSDROP_ENTRY );
   372 	LOG_FUNC
   420 	return iOtgDriver.BusDrop();
   373 	return iOtgDriver.BusDrop();
   421 	}
   374 	}