diff --git a/audio/aidl/default/visualizer/VisualizerSw.cpp b/audio/aidl/default/visualizer/VisualizerSw.cpp
index 5a24f18..24a7bef 100644
--- a/audio/aidl/default/visualizer/VisualizerSw.cpp
+++ b/audio/aidl/default/visualizer/VisualizerSw.cpp
@@ -26,14 +26,14 @@
 #include "VisualizerSw.h"
 
 using aidl::android::hardware::audio::effect::IEffect;
+using aidl::android::hardware::audio::effect::kVisualizerSwImplUUID;
 using aidl::android::hardware::audio::effect::State;
 using aidl::android::hardware::audio::effect::VisualizerSw;
-using aidl::android::hardware::audio::effect::VisualizerSwImplUUID;
 using aidl::android::media::audio::common::AudioUuid;
 
 extern "C" binder_exception_t createEffect(const AudioUuid* in_impl_uuid,
                                            std::shared_ptr<IEffect>* instanceSpp) {
-    if (!in_impl_uuid || *in_impl_uuid != VisualizerSwImplUUID) {
+    if (!in_impl_uuid || *in_impl_uuid != kVisualizerSwImplUUID) {
         LOG(ERROR) << __func__ << "uuid not supported";
         return EX_ILLEGAL_ARGUMENT;
     }
diff --git a/audio/aidl/default/visualizer/VisualizerSw.h b/audio/aidl/default/visualizer/VisualizerSw.h
index 21101dd..bccd6e9 100644
--- a/audio/aidl/default/visualizer/VisualizerSw.h
+++ b/audio/aidl/default/visualizer/VisualizerSw.h
@@ -39,8 +39,8 @@
   public:
     VisualizerSw() { LOG(DEBUG) << __func__; }
     ~VisualizerSw() {
+        cleanUp();
         LOG(DEBUG) << __func__;
-        releaseContext();
     }
 
     ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
@@ -57,13 +57,14 @@
     const Visualizer::Capability kCapability;
     /* Effect descriptor */
     const Descriptor kDescriptor = {
-            .common = {.id = {.type = VisualizerTypeUUID,
-                              .uuid = VisualizerSwImplUUID,
+            .common = {.id = {.type = kVisualizerTypeUUID,
+                              .uuid = kVisualizerSwImplUUID,
                               .proxy = std::nullopt},
                        .flags = {.type = Flags::Type::INSERT,
                                  .insert = Flags::Insert::FIRST,
                                  .volume = Flags::Volume::CTRL},
-                       .name = "VisualizerSw"},
+                       .name = "VisualizerSw",
+                       .implementor = "The Android Open Source Project"},
             .capability = Capability::make<Capability::visualizer>(kCapability)};
 
     /* parameters */