winecoreaudio: Always start the notification thread.

dlls/winecoreaudio.drv/coremidi.c

@@ -417,19 +417,14 @@ NTSTATUS midi_init(void *args)
         dests[i].caps.wNotes = 0;
     }
 
-    params->num_srcs = num_srcs;
-
     *params->err = DRV_SUCCESS;
     return STATUS_SUCCESS;
 }
 
 NTSTATUS midi_release(void *args)
 {
-    if (num_srcs)
-    {
     /* stop the notify_wait thread */
     notify_post(NULL);
-    }
 
     if (midi_client) MIDIClientDispose(midi_client); /* MIDIClientDispose will close all ports */
 

dlls/winecoreaudio.drv/midi.c

@@ -45,8 +45,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(midi);
 
-static DWORD MIDIIn_NumDevs = 0;
-
 static void notify_client(struct notify_context *notify)
 {
     TRACE("dev_id=%d msg=%d param1=%04lX param2=%04lX\n", notify->dev_id, notify->msg, notify->param_1, notify->param_2);
@@ -87,9 +85,6 @@ static LONG CoreAudio_MIDIInit(void)
         return err;
     }
 
-    MIDIIn_NumDevs = params.num_srcs;
-
-    if (MIDIIn_NumDevs > 0)
     CloseHandle(CreateThread(NULL, 0, notify_thread, NULL, 0, NULL));
 
     return err;

dlls/winecoreaudio.drv/unixlib.h

@@ -186,7 +186,6 @@ struct set_volumes_params
 struct midi_init_params
 {
     DWORD *err;
-    UINT num_srcs;
 };
 
 struct notify_context