Media Detect (0x0002)
Detects if removable media has been inserted or removed.
Status values to be returned in buffer:
The following table lists return values and descriptions.
The CDM typically performs a TEST UNIT READY or similar operation on the device to determine if media was inserted or removed from the device. If the CDM detects that media has been removed or changed, the CDM must deactivate the device using CDI_Object_Update before completing the message. The CDM should not automatically activate the device if media is detected. It must wait until it receives an activate request before activating a device.