v4.19.13 snapshot.
diff --git a/sound/usb/6fire/chip.h b/sound/usb/6fire/chip.h
new file mode 100644
index 0000000..bde02d1
--- /dev/null
+++ b/sound/usb/6fire/chip.h
@@ -0,0 +1,31 @@
+/*
+ * Linux driver for TerraTec DMX 6Fire USB
+ *
+ * Author: Torsten Schenk <torsten.schenk@zoho.com>
+ * Created: Jan 01, 2011
+ * Copyright: (C) Torsten Schenk
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef USB6FIRE_CHIP_H
+#define USB6FIRE_CHIP_H
+
+#include "common.h"
+
+struct sfire_chip {
+ struct usb_device *dev;
+ struct snd_card *card;
+ int intf_count; /* number of registered interfaces */
+ int regidx; /* index in module parameter arrays */
+ bool shutdown;
+
+ struct midi_runtime *midi;
+ struct pcm_runtime *pcm;
+ struct control_runtime *control;
+ struct comm_runtime *comm;
+};
+#endif /* USB6FIRE_CHIP_H */
+