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4/8/2010

This section provides reference details about the power management functions.

In This Section

Function Description

DevicePowerNotify

Requests that Power Manager change the power state of a device.

GetDevicePower

Returns the current power state for a device.

GetSystemPowerState

Returns the current system power state currently in effect.

PowerPolicyNotify

Notifies Power Manager of the events necessary to implement an OEM power policy.

RegisterPowerRelationship

Establishes dynamic parent and child or bus and client driver relationship.

ReleasePowerRelationship

Releases the handle returned from RegisterPowerRelationship.

ReleasePowerRequirement

Requests that Power Manager release a power requirement previously set with SetPowerRequirement.

RequestPowerNotifications

Enables applications and drivers to register for power notification events.

SetDevicePower

Sets the device power state for a device.

SetPowerRequirement

Notifies Power Manager of an application device power requirement.

SetSystemPowerState

Sets the system power state.

StopPowerNotifications

Disables power notification events.

See Also