[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/usb/caiaq/control.h b/src/kernel/linux/v4.14/sound/usb/caiaq/control.h
new file mode 100644
index 0000000..cb204fd
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/usb/caiaq/control.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CAIAQ_CONTROL_H
+#define CAIAQ_CONTROL_H
+
+int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev);
+
+#endif /* CAIAQ_CONTROL_H */