PcGetPhysicalDeviceObject function (portcls.h)

The PcGetPhysicalDeviceObject function enables audio miniport drivers to retrieve the underlying physical device object of the audio device.

Syntax

PORTCLASSAPI NTSTATUS PcGetPhysicalDeviceObject(
  [in]  IN PDEVICE_OBJECT  pDeviceObject,
  [out] OUT PDEVICE_OBJECT *ppPhysicalObject
);

Parameters

[in] pDeviceObject

Pointer to the device object for the device.

[out] ppPhysicalObject

Pointer to the physical object for the device.

Return value

The PcGetPhysicalDeviceObject function returns STATUS_SUCCESS if the function call was successful. Otherwise, it returns the appropriate error code.

Requirements

See also

Audio Port Class Functions