diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.cpp b/audio/aidl/default/virtualizer/VirtualizerSw.cpp
index f4aa67c..cc51937 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.cpp
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.cpp
@@ -61,8 +61,8 @@
 
 const std::string VirtualizerSw::kEffectName = "VirtualizerSw";
 const bool VirtualizerSw::kStrengthSupported = true;
-const Virtualizer::Capability VirtualizerSw::kCapability = {.strengthSupported =
-                                                                    kStrengthSupported};
+const Virtualizer::Capability VirtualizerSw::kCapability = {
+        .maxStrengthPm = 1000, .strengthSupported = kStrengthSupported};
 const Descriptor VirtualizerSw::kDescriptor = {
         .common = {.id = {.type = kVirtualizerTypeUUID,
                           .uuid = kVirtualizerSwImplUUID,
@@ -172,4 +172,14 @@
     return {STATUS_OK, samples, samples};
 }
 
+RetCode VirtualizerSwContext::setVrStrength(int strength) {
+    if (strength < 0 || strength > VirtualizerSw::kCapability.maxStrengthPm) {
+        LOG(ERROR) << __func__ << " invalid strength: " << strength;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+    // TODO : Add implementation to apply new strength
+    mStrength = strength;
+    return RetCode::SUCCESS;
+}
+
 }  // namespace aidl::android::hardware::audio::effect
diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.h b/audio/aidl/default/virtualizer/VirtualizerSw.h
index b4482da..0f294cd 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.h
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.h
@@ -32,16 +32,7 @@
         : EffectContext(statusDepth, common) {
         LOG(DEBUG) << __func__;
     }
-    RetCode setVrStrength(int strength) {
-        if (strength < Virtualizer::MIN_PER_MILLE_STRENGTH ||
-            strength > Virtualizer::MAX_PER_MILLE_STRENGTH) {
-            LOG(ERROR) << __func__ << " invalid strength " << strength;
-            return RetCode::ERROR_ILLEGAL_PARAMETER;
-        }
-        // TODO : Add implementation to apply new strength
-        mStrength = strength;
-        return RetCode::SUCCESS;
-    }
+    RetCode setVrStrength(int strength);
     int getVrStrength() const { return mStrength; }
 
   private: