NTSTATUS
SoundGetBusNumber(
IN OUT INTERFACE_TYPE InterfaceType,
OUT PULONG BusNumber
);
The SoundGetBusNumber function returns the number of the first bus of the specified bus type.
Parameters
InterfaceType
Type of bus for which to search. INTERFACE_TYPE is defined in ntddk.h.
BusNumber
Address of location to receive the bus number, if found.
Return Value
Returns STATUS_SUCCESS if successful. Otherwise returns STATUS_DEVICE_DOES_NOT_EXIST.