diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h b/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
index 9af9edd8b4f..2e5ba352148 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
@@ -120,4 +120,46 @@ WdmAudMixerCapabilities(
     IN  PWDMAUD_DEVICE_INFO DeviceInfo,
     IN  PWDMAUD_CLIENT ClientInfo);
 
+NTSTATUS
+NTAPI
+WdmAudFrameSize(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp,
+    IN  PWDMAUD_DEVICE_INFO DeviceInfo,
+    IN  PWDMAUD_CLIENT ClientInfo);
+
+NTSTATUS
+NTAPI
+WdmAudGetLineInfo(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp,
+    IN  PWDMAUD_DEVICE_INFO DeviceInfo,
+    IN  PWDMAUD_CLIENT ClientInfo);
+
+NTSTATUS
+NTAPI
+WdmAudGetLineControls(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp,
+    IN  PWDMAUD_DEVICE_INFO DeviceInfo,
+    IN  PWDMAUD_CLIENT ClientInfo);
+
+NTSTATUS
+NTAPI
+WdmAudSetControlDetails(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp,
+    IN  PWDMAUD_DEVICE_INFO DeviceInfo,
+    IN  PWDMAUD_CLIENT ClientInfo);
+
+NTSTATUS
+NTAPI
+WdmAudGetControlDetails(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp,
+    IN  PWDMAUD_DEVICE_INFO DeviceInfo,
+    IN  PWDMAUD_CLIENT ClientInfo);
+
+
+
 #endif