diff --git a/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp b/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
index 4bc3c7f..b8846c6 100644
--- a/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
+++ b/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
@@ -241,14 +241,21 @@
     if (mpAudioPolicy == NULL) {
         return NO_INIT;
     }
+
+    audio_source_t inputSource = attr->source;
+
     // already checked by client, but double-check in case the client wrapper is bypassed
-    if (attr->source >= AUDIO_SOURCE_CNT && attr->source != AUDIO_SOURCE_HOTWORD &&
-        attr->source != AUDIO_SOURCE_FM_TUNER) {
+    if (inputSource >= AUDIO_SOURCE_CNT && inputSource != AUDIO_SOURCE_HOTWORD &&
+        inputSource != AUDIO_SOURCE_FM_TUNER) {
         return BAD_VALUE;
     }
 
-    if (((attr->source == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) ||
-        ((attr->source == AUDIO_SOURCE_FM_TUNER) && !captureFmTunerAllowed())) {
+    if (inputSource == AUDIO_SOURCE_DEFAULT) {
+        inputSource = AUDIO_SOURCE_MIC;
+    }
+
+    if (((inputSource == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) ||
+        ((inputSource == AUDIO_SOURCE_FM_TUNER) && !captureFmTunerAllowed())) {
         return BAD_VALUE;
     }
 
@@ -256,7 +263,7 @@
     {
         Mutex::Autolock _l(mLock);
         // the audio_in_acoustics_t parameter is ignored by get_input()
-        *input = mpAudioPolicy->get_input(mpAudioPolicy, attr->source, samplingRate,
+        *input = mpAudioPolicy->get_input(mpAudioPolicy, inputSource, samplingRate,
                                              format, channelMask, (audio_in_acoustics_t) 0);
         audioPolicyEffects = mAudioPolicyEffects;
     }
@@ -266,7 +273,7 @@
 
     if (audioPolicyEffects != 0) {
         // create audio pre processors according to input source
-        status_t status = audioPolicyEffects->addInputEffects(*input, attr->source, session);
+        status_t status = audioPolicyEffects->addInputEffects(*input, inputSource, session);
         if (status != NO_ERROR && status != ALREADY_EXISTS) {
             ALOGW("Failed to add effects on input %d", input);
         }