[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/codecs/wm8728.h b/src/kernel/linux/v4.14/sound/soc/codecs/wm8728.h
new file mode 100644
index 0000000..8aea362
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/codecs/wm8728.h
@@ -0,0 +1,21 @@
+/*
+ * wm8728.h -- WM8728 ASoC codec driver
+ *
+ * Copyright 2008 Wolfson Microelectronics plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8728_H
+#define _WM8728_H
+
+#define WM8728_DACLVOL 0x00
+#define WM8728_DACRVOL 0x01
+#define WM8728_DACCTL 0x02
+#define WM8728_IFCTL 0x03
+
+#endif