Important: |
---|
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist. |
A version of this page is also available for
4/8/2010
The following table shows the Power Management I/O controls with a description of the purpose of each.
I/O control | Description |
---|---|
Checks device-specific capabilities. |
|
Gets the current device power state. |
|
Checks whether changing power state is feasible. This I/O control is deprecated and is not called by Power Manager. |
|
Requests a change from one device power state to another. |
|
Notifies the parent device so the parent device can register all devices it controls. |