diff --git a/services/audiopolicy/AudioPolicyManager.cpp b/services/audiopolicy/AudioPolicyManager.cpp
index cca1b34..8783ec9 100644
--- a/services/audiopolicy/AudioPolicyManager.cpp
+++ b/services/audiopolicy/AudioPolicyManager.cpp
@@ -3833,6 +3833,11 @@
         if (!deviceList.isEmpty()) {
             struct audio_patch patch;
             inputDesc->toAudioPortConfig(&patch.sinks[0]);
+            // AUDIO_SOURCE_HOTWORD is for internal use only:
+            // handled as AUDIO_SOURCE_VOICE_RECOGNITION by the audio HAL
+            if (patch.sinks[0].ext.mix.usecase.source == AUDIO_SOURCE_HOTWORD) {
+                patch.sinks[0].ext.mix.usecase.source = AUDIO_SOURCE_VOICE_RECOGNITION;
+            }
             patch.num_sinks = 1;
             //only one input device for now
             deviceList.itemAt(0)->toAudioPortConfig(&patch.sources[0]);
@@ -5316,7 +5321,9 @@
 const audio_format_t AudioPolicyManager::AudioPort::sPcmFormatCompareTable[] = {
         AUDIO_FORMAT_DEFAULT,
         AUDIO_FORMAT_PCM_16_BIT,
+        AUDIO_FORMAT_PCM_8_24_BIT,
         AUDIO_FORMAT_PCM_24_BIT_PACKED,
+        AUDIO_FORMAT_PCM_32_BIT,
 };
 
 int AudioPolicyManager::AudioPort::compareFormats(audio_format_t format1,
diff --git a/services/camera/libcameraservice/api1/Camera2Client.cpp b/services/camera/libcameraservice/api1/Camera2Client.cpp
index 1642896..8075515 100644
--- a/services/camera/libcameraservice/api1/Camera2Client.cpp
+++ b/services/camera/libcameraservice/api1/Camera2Client.cpp
@@ -825,6 +825,7 @@
         }
         outputStreams.push(getZslStreamId());
     } else {
+        mZslProcessor->clearZslQueue();
         mZslProcessor->deleteStream();
     }
 
@@ -906,6 +907,13 @@
                 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)",
                         __FUNCTION__, mCameraId, strerror(-res), res);
             }
+            // Clean up recording stream
+            res = mStreamingProcessor->deleteRecordingStream();
+            if (res != OK) {
+                ALOGE("%s: Camera %d: Unable to delete recording stream before "
+                        "stop preview: %s (%d)",
+                        __FUNCTION__, mCameraId, strerror(-res), res);
+            }
             // no break
         case Parameters::WAITING_FOR_PREVIEW_WINDOW: {
             SharedParameters::Lock l(mParameters);
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 3004d3e..9d36bfa 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -1794,8 +1794,9 @@
                     return;
                 }
                 isPartialResult = (result->partial_result < mNumPartialResults);
-                request.partialResult.collectedResult.append(
-                    result->result);
+                if (isPartialResult) {
+                    request.partialResult.collectedResult.append(result->result);
+                }
             } else {
                 camera_metadata_ro_entry_t partialResultEntry;
                 res = find_camera_metadata_ro_entry(result->result,