_In_ DEVICE_POWER_STATE To,
_In_ DEVICE_POWER_STATE From
);
+
+/* pin.c*/
+
+NTSTATUS
+NTAPI
+USBAudioPinCreate(
+ _In_ PKSPIN Pin,
+ _In_ PIRP Irp);
+
+NTSTATUS
+NTAPI
+USBAudioPinClose(
+ _In_ PKSPIN Pin,
+ _In_ PIRP Irp);
+
+NTSTATUS
+NTAPI
+USBAudioPinProcess(
+ _In_ PKSPIN Pin);
+
+VOID
+NTAPI
+USBAudioPinReset(
+ _In_ PKSPIN Pin);
+
+NTSTATUS
+NTAPI
+USBAudioPinSetDataFormat(
+ _In_ PKSPIN Pin,
+ _In_opt_ PKSDATAFORMAT OldFormat,
+ _In_opt_ PKSMULTIPLE_ITEM OldAttributeList,
+ _In_ const KSDATARANGE* DataRange,
+ _In_opt_ const KSATTRIBUTE_LIST* AttributeRange);
+
+NTSTATUS
+NTAPI
+USBAudioPinSetDeviceState(
+ _In_ PKSPIN Pin,
+ _In_ KSSTATE ToState,
+ _In_ KSSTATE FromState);
+