[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/sound/ak4641.h b/src/kernel/linux/v4.14/include/sound/ak4641.h
new file mode 100644
index 0000000..96d1991
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/sound/ak4641.h
@@ -0,0 +1,26 @@
+/*
+ * AK4641 ALSA SoC Codec driver
+ *
+ * Copyright 2009 Philipp Zabel
+ *
+ * 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 __AK4641_H
+#define __AK4641_H
+
+/**
+ * struct ak4641_platform_data - platform specific AK4641 configuration
+ * @gpio_power:	GPIO to control external power to AK4641
+ * @gpio_npdn:	GPIO connected to AK4641 nPDN pin
+ *
+ * Both GPIO parameters are optional.
+ */
+struct ak4641_platform_data {
+	int gpio_power;
+	int gpio_npdn;
+};
+
+#endif /* __AK4641_H */