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Add Power Management IOCTLs (Compact 7)

3/12/2014

Power Manager communicates to a device with the IOCTLs listed in the following table. You implement these IOCTLs in your device driver to respond to calls from Power Manager.

Function Description

IOCTL_POWER_CAPABILITIES

Checks device-specific capabilities.

IOCTL_POWER_GET

Gets the current device power state.

IOCTL_POWER_SET

Requests a change from one device power state to another.

IOCTL_REGISTER_POWER_RELATIONSHIP

Notifies the parent device so that the parent device can register all the devices that it controls.

For more information about these IOCTLs, see Power Management I/O Controls.

See Also

Concepts

Support Power Management