controllerDidChangePowerState
Handles a notification that the network controller servicing this interface object has transitioned to a new power state.
Declaration
virtual IOReturn controllerDidChangePowerState(
IONetworkController *controller,
IOPMPowerFlagsflags,
UInt32stateNumber,
IOService *policyMaker);Parameters
- controller:
The network controller object.
- flags:
Flags that describe the capability of the controller in the new power state.
- stateNumber:
An index to a state in the network controller's power state array that the controller has switched to.
- policyMaker:
A reference to the network controller's policy-maker, and is also the originator of this notification.
Return Value
Always returns kIOReturnSuccess.
Overview
If the controller did transition to a usable state, and it was previously disabled due to a previous power change, then it is re-enabled.