[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/usb/line6/capture.h b/src/kernel/linux/v4.14/sound/usb/line6/capture.h
new file mode 100644
index 0000000..890b21b
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/usb/line6/capture.h
@@ -0,0 +1,29 @@
+/*
+ * Line 6 Linux USB driver
+ *
+ * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
+ *
+ *	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, version 2.
+ *
+ */
+
+#ifndef CAPTURE_H
+#define CAPTURE_H
+
+#include <sound/pcm.h>
+
+#include "driver.h"
+#include "pcm.h"
+
+extern struct snd_pcm_ops snd_line6_capture_ops;
+
+extern void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf,
+			       int fsize);
+extern void line6_capture_check_period(struct snd_line6_pcm *line6pcm,
+				       int length);
+extern int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm);
+extern int line6_submit_audio_in_all_urbs(struct snd_line6_pcm *line6pcm);
+
+#endif