X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Fdrivers%2Fwdm%2Faudio%2Flegacy%2Fwdmaud%2Fmmixer.c;h=9887d0974a2d08f77940a180b8728ef30d3560ba;hp=8623b5333ef55e73bae739afde0146576c799572;hb=3e9107ceecf96beab7f480084c54467119979948;hpb=1f993d692ceedf12ba9eabaf543f24d6ec7e773d

diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c b/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
index 8623b5333ef..9887d0974a2 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
@@ -471,6 +471,32 @@ WdmAudControlOpenMixer(
     return SetIrpIoStatus(Irp, STATUS_SUCCESS, sizeof(WDMAUD_DEVICE_INFO));
 }
 
+NTSTATUS
+WdmAudControlCloseMixer(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp,
+    IN  PWDMAUD_DEVICE_INFO DeviceInfo,
+    IN  PWDMAUD_CLIENT ClientInfo,
+    IN  ULONG Index)
+{
+    /* Remove event associated to this client */
+    if (MMixerClose(&MixerContext, DeviceInfo->DeviceIndex, ClientInfo, EventCallback))
+    {
+        DPRINT1("Failed to close mixer\n");
+        return SetIrpIoStatus(Irp, STATUS_UNSUCCESSFUL, sizeof(WDMAUD_DEVICE_INFO));
+    }
+
+    /* Dereference event */
+    if (ClientInfo->hPins[Index].NotifyEvent)
+    {
+        ObDereferenceObject(ClientInfo->hPins[Index].NotifyEvent);
+        ClientInfo->hPins[Index].NotifyEvent = NULL;
+    }
+
+    /* FIXME: do we need to free ClientInfo->hPins ? */
+    return SetIrpIoStatus(Irp, STATUS_SUCCESS, sizeof(WDMAUD_DEVICE_INFO));
+}
+
 NTSTATUS
 NTAPI
 WdmAudGetControlDetails(