diff --git a/include/linux/input.h b/include/linux/input.h
index 7323d2f..abd223b 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -645,6 +645,7 @@
 #define SW_MICROPHONE_INSERT	0x04  /* set = inserted */
 #define SW_DOCK			0x05  /* set = plugged into dock */
 #define SW_LINEOUT_INSERT	0x06  /* set = inserted */
+#define SW_JACK_PHYSICAL_INSERT 0x07  /* set = mechanical switch set */
 #define SW_MAX			0x0f
 #define SW_CNT			(SW_MAX+1)