Merge "Fix connection of OUT_REMOTE_SUBMIX device on APM startInput"
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h
index 049079e..282bece 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h
@@ -64,6 +64,7 @@
     status_t removeAudioSession(audio_session_t session);
     sp<AudioSession> getAudioSession(audio_session_t session) const;
     AudioSessionCollection getAudioSessions(bool activeOnly) const;
+    size_t getAudioSessionCount(bool activeOnly) const;
     audio_source_t getHighestPrioritySource(bool activeOnly) const;
 
 private:
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioSession.h b/services/audiopolicy/common/managerdefinitions/include/AudioSession.h
index 87c4c9a..648cc00 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioSession.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioSession.h
@@ -85,6 +85,7 @@
     uint32_t getOpenCount() const;
 
     AudioSessionCollection getActiveSessions() const;
+    size_t getActiveSessionCount() const;
     bool hasActiveSession() const;
     bool isSourceActive(audio_source_t source) const;
     audio_source_t getHighestPrioritySource(bool activeOnly) const;
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp
index 6281715..38d7ad5 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp
@@ -158,6 +158,15 @@
     }
 }
 
+size_t AudioInputDescriptor::getAudioSessionCount(bool activeOnly) const
+{
+    if (activeOnly) {
+        return mSessions.getActiveSessionCount();
+    } else {
+        return mSessions.size();
+    }
+}
+
 status_t AudioInputDescriptor::addAudioSession(audio_session_t session,
                          const sp<AudioSession>& audioSession) {
     return mSessions.addSession(session, audioSession);
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioSession.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioSession.cpp
index a08ce02..306ed28 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioSession.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioSession.cpp
@@ -186,9 +186,20 @@
     return activeSessions;
 }
 
+size_t AudioSessionCollection::getActiveSessionCount() const
+{
+    size_t activeCount = 0;
+    for (size_t i = 0; i < size(); i++) {
+        if (valueAt(i)->activeCount() != 0) {
+            activeCount++;
+        }
+    }
+    return activeCount;
+}
+
 bool AudioSessionCollection::hasActiveSession() const
 {
-    return getActiveSessions().size() != 0;
+    return getActiveSessionCount() != 0;
 }
 
 bool AudioSessionCollection::isSourceActive(audio_source_t source) const
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index d1d5df6..ad2ad69 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -1649,7 +1649,7 @@
 
         setInputDevice(input, getNewInputDevice(inputDesc), true /* force */);
 
-        if (!inputDesc->isActive()) {
+        if (inputDesc->getAudioSessionCount(true/*activeOnly*/) == 1) {
             // if input maps to a dynamic policy with an activity listener, notify of state change
             if ((inputDesc->mPolicyMix != NULL)
                     && ((inputDesc->mPolicyMix->mCbFlags & AudioMix::kCbFlagNotifyActivity) != 0)) {