diff --git a/services/audiopolicy/AudioPolicyManager.cpp b/services/audiopolicy/AudioPolicyManager.cpp
index aa976b5..b09300b 100644
--- a/services/audiopolicy/AudioPolicyManager.cpp
+++ b/services/audiopolicy/AudioPolicyManager.cpp
@@ -88,6 +88,7 @@
     STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPDIF),
     STRING_TO_ENUM(AUDIO_DEVICE_OUT_FM),
     STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_LINE),
+    STRING_TO_ENUM(AUDIO_DEVICE_IN_AMBIENT),
     STRING_TO_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
     STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
     STRING_TO_ENUM(AUDIO_DEVICE_IN_ALL_SCO),