iokit/Kernel/IOServicePM.cpp

1799 	IOReturn			 result = IOPMAckImplied;
1844 		result = startPowerChange(
1865 	if (IOPMAckImplied == result)
1915 	IOReturn			 result = IOPMAckImplied;
1952 		result = startPowerChange(
1964 	if (IOPMAckImplied == result)
3425     IOReturn            result;
3439 			result   = param->Result;
3441 			if ((result == IOPMAckImplied) || (result < 0))
3457                 // Driver has not acked, and has returned a positive result.
3464                 if (result < kMinAckTimeoutTicks)
3465                     result = kMinAckTimeoutTicks;
3467                 informee->timer = (result / (ACK_TIMER_PERIOD / ns_per_us)) + 1;
3749     IOReturn            result;
3763         result = fControllingDriver->setPowerState( powerState, this );
3765         OUR_PMLog((UInt32) -kPMLogProgramHardware, (uintptr_t) this, (UInt32) result);
3769         if (result < 0)
3772                 fName, this, fCurrentPowerState, powerState, result);
3776         if ((result == IOPMAckImplied) || (result < 0))
3793                                         0,									  // result
3801         result = kIOPMAckImplied;
3803     param->Result = result;
3821     IOReturn            result;
3845                 result = driver->powerStateWillChangeTo(powerFlags, powerState, this);
3847                 OUR_PMLog((UInt32)-kPMLogInformDriverPreChange, (uintptr_t) this, result);
3853                 result = driver->powerStateDidChangeTo(powerFlags, powerState, this);
3855                 OUR_PMLog((UInt32)-kPMLogInformDriverPostChange, (uintptr_t) this, result);
3861             if ((result == IOPMAckImplied) || (result < 0))
3884                                             0,								// result
3892             result = kIOPMAckImplied;
3894         param->Result = result;
4018 	IOReturn			result;
4031 		result = param->Result;
4033 		if ((result == IOPMAckImplied) || (result < 0))
4041             // Driver has not acked, and has returned a positive result.
4048             if (result < kMinAckTimeoutTicks)
4049                 result = kMinAckTimeoutTicks;
4051             fDriverTimer = (result / (ACK_TIMER_PERIOD / ns_per_us)) + 1;
4989                                                 kIOReturnTimeout,					// result
5048                                                         kIOReturnTimeout,					  // result
6140                                     0,										// result
6765                                                     kIOReturnAborted); /* result */
6790                                                     kIOReturnAborted); /* result */
6810                                                     kIOReturnSuccess); /* result */
7175                                             0,										// result
8051                                              uint32_t   result,
8064 		myself->result        = result;
8077                                              uint32_t   result) {
8086 		myself->result        = result;