[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/dt-bindings/sound/audio-jack-events.h b/src/kernel/linux/v4.14/include/dt-bindings/sound/audio-jack-events.h
new file mode 100644
index 0000000..1b29b29
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/dt-bindings/sound/audio-jack-events.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __AUDIO_JACK_EVENTS_H
+#define __AUDIO_JACK_EVENTS_H
+
+#define JACK_HEADPHONE		1
+#define JACK_MICROPHONE		2
+#define JACK_LINEOUT		3
+#define JACK_LINEIN		4
+
+#endif /* __AUDIO_JACK_EVENTS_H */