diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index 85232e7..54f8d9e 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -82,7 +82,7 @@
         {0x0634f220, 0xddd4, 0x11db, 0xa0fc, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b }},
         {0x8631f300, 0x72e2, 0x11df, 0xb57e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid
         EFFECT_CONTROL_API_VERSION,
-        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_DEVICE_IND
+        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_LAST | EFFECT_FLAG_DEVICE_IND
         | EFFECT_FLAG_VOLUME_CTRL),
         BASS_BOOST_CUP_LOAD_ARM9E,
         BUNDLE_MEM_USAGE,
@@ -108,7 +108,7 @@
         {0x0bed4300, 0xddd6, 0x11db, 0x8f34, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // type
         {0xce772f20, 0x847d, 0x11df, 0xbb17, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid Eq NXP
         EFFECT_CONTROL_API_VERSION,
-        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_VOLUME_CTRL),
+        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_LAST | EFFECT_FLAG_VOLUME_CTRL),
         EQUALIZER_CUP_LOAD_ARM9E,
         BUNDLE_MEM_USAGE,
         "Equalizer",
diff --git a/services/camera/libcameraservice/camera2/CallbackProcessor.cpp b/services/camera/libcameraservice/camera2/CallbackProcessor.cpp
index 98673ff..4987ab6 100644
--- a/services/camera/libcameraservice/camera2/CallbackProcessor.cpp
+++ b/services/camera/libcameraservice/camera2/CallbackProcessor.cpp
@@ -365,9 +365,6 @@
 
         ALOGV("%s: Freeing buffer", __FUNCTION__);
         mCallbackConsumer->unlockBuffer(imgBuffer);
-
-        // mCallbackHeap may get freed up once input mutex is released
-        callbackHeap = mCallbackHeap;
     }
 
     // Call outside parameter lock to allow re-entrancy from notification
@@ -378,7 +375,7 @@
             ALOGV("%s: Camera %d: Invoking client data callback",
                     __FUNCTION__, mId);
             l.mRemoteCallback->dataCallback(CAMERA_MSG_PREVIEW_FRAME,
-                    callbackHeap->mBuffers[heapIdx], NULL);
+                    mCallbackHeap->mBuffers[heapIdx], NULL);
         }
     }
 
diff --git a/services/camera/libcameraservice/camera2/ZslProcessor3.cpp b/services/camera/libcameraservice/camera2/ZslProcessor3.cpp
index 40c77df..2e06691 100644
--- a/services/camera/libcameraservice/camera2/ZslProcessor3.cpp
+++ b/services/camera/libcameraservice/camera2/ZslProcessor3.cpp
@@ -329,9 +329,8 @@
 }
 
 bool ZslProcessor3::threadLoop() {
-    // TODO: remove dependency on thread. For now, shut thread down right
-    // away.
-    return false;
+    // TODO: remove dependency on thread
+    return true;
 }
 
 void ZslProcessor3::dumpZslQueue(int fd) const {