diff --git a/include/sound/jack.h b/include/sound/jack.h
index 55c320dc402c..c66e4e9567b6 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -61,6 +61,9 @@ enum snd_jack_types {
 	SND_JACK_OC_HPHL        = 0x0040,
 	SND_JACK_OC_HPHR        = 0x0080,
 	SND_JACK_UNSUPPORTED    = 0x0100,
+	SND_JACK_MICROPHONE2    = 0x0200,
+	SND_JACK_ANC_HEADPHONE  = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+				  SND_JACK_MICROPHONE2,
 
 	/* Kept separate from switches to facilitate implementation */
 	SND_JACK_BTN_0		= 0x4000,
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 59b47c11fce2..7a03c1534694 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -797,7 +797,8 @@
 #define SW_PEN_INSERTED		0x0f  /* set = pen inserted */
 #define SW_HPHL_OVERCURRENT	0x10  /* set = over current on left hph */
 #define SW_HPHR_OVERCURRENT	0x11  /* set = over current on right hph */
-#define SW_UNSUPPORT_INSERT	0x12  /* set = unsupported device inserted */
+#define SW_MICROPHONE2_INSERT	0x12  /* set = inserted */
+#define SW_UNSUPPORT_INSERT	0x13  /* set = unsupported device inserted */
 #define SW_MAX			0x20
 #define SW_CNT			(SW_MAX+1)
 
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 69a2ec974bee..3a25295adb93 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -43,6 +43,7 @@ static int jack_switch_types[] = {
 	SW_HPHL_OVERCURRENT,
 	SW_HPHR_OVERCURRENT,
 	SW_UNSUPPORT_INSERT,
+	SW_MICROPHONE2_INSERT,
 };
 #endif /* CONFIG_SND_JACK_INPUT_DEV */