1 files changed, 9 insertions, 3 deletions
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index dfb477d..8419ed5 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -1485,10 +1485,15 @@ status_t AudioPolicyManager::startInput(audio_io_handle_t input,
             // If the already active input uses AUDIO_SOURCE_HOTWORD then it is closed,
             // otherwise the active input continues and the new input cannot be started.
             sp<AudioInputDescriptor> activeDesc = mInputs.valueFor(activeInput);
-            if (activeDesc->mInputSource == AUDIO_SOURCE_HOTWORD) {
+            if ((activeDesc->mInputSource == AUDIO_SOURCE_HOTWORD) &&
+                    !activeDesc->hasPreemptedSession(session)) {
                 ALOGW("startInput(%d) preempting low-priority input %d", input, activeInput);
-                stopInput(activeInput, activeDesc->mSessions.itemAt(0));
-                releaseInput(activeInput, activeDesc->mSessions.itemAt(0));
+                audio_session_t activeSession = activeDesc->mSessions.itemAt(0);
+                SortedVector<audio_session_t> sessions = activeDesc->getPreemptedSessions();
+                sessions.add(activeSession);
+                inputDesc->setPreemptedSessions(sessions);
+                stopInput(activeInput, activeSession);
+                releaseInput(activeInput, activeSession);
             } else {
                 ALOGE("startInput(%d) failed: other input %d already started", input, activeInput);
                 return INVALID_OPERATION;
@@ -1592,6 +1597,7 @@ status_t AudioPolicyManager::stopInput(audio_io_handle_t input,
         if (mInputs.activeInputsCount() == 0) {
             SoundTrigger::setCaptureState(false);
         }
+        inputDesc->clearPreemptedSessions();
     }
     return NO_ERROR;
 }