diff --git a/media/libaudiofoundation/AudioProfile.cpp b/media/libaudiofoundation/AudioProfile.cpp
index 734fa9c..2170cd8 100644
--- a/media/libaudiofoundation/AudioProfile.cpp
+++ b/media/libaudiofoundation/AudioProfile.cpp
@@ -127,16 +127,17 @@
              "%*s%s\n", spaces, "", audio_encapsulation_type_to_string(mEncapsulationType)));
 }
 
-bool AudioProfile::equals(const sp<AudioProfile>& other) const
+bool AudioProfile::equals(const sp<AudioProfile>& other, bool ignoreDynamicFlags) const
 {
     return other != nullptr &&
            mName.compare(other->mName) == 0 &&
            mFormat == other->getFormat() &&
            mChannelMasks == other->getChannels() &&
            mSamplingRates == other->getSampleRates() &&
-           mIsDynamicFormat == other->isDynamicFormat() &&
-           mIsDynamicChannels == other->isDynamicChannels() &&
-           mIsDynamicRate == other->isDynamicRate() &&
+           (ignoreDynamicFlags ||
+               (mIsDynamicFormat == other->isDynamicFormat() &&
+               mIsDynamicChannels == other->isDynamicChannels() &&
+               mIsDynamicRate == other->isDynamicRate())) &&
            mEncapsulationType == other->getEncapsulationType();
 }
 
@@ -326,10 +327,10 @@
     return false;
 }
 
-bool AudioProfileVector::contains(const sp<AudioProfile>& profile) const
+bool AudioProfileVector::contains(const sp<AudioProfile>& profile, bool ignoreDynamicFlags) const
 {
     for (const auto& audioProfile : *this) {
-        if (audioProfile->equals(profile)) {
+        if (audioProfile->equals(profile, ignoreDynamicFlags)) {
             return true;
         }
     }
@@ -356,6 +357,14 @@
                       });
 }
 
+void AudioProfileVector::addAllValidProfiles(const AudioProfileVector& audioProfiles) {
+    for (const auto& audioProfile : audioProfiles) {
+        if (audioProfile->isValid() && !contains(audioProfile, true /*ignoreDynamicFlags*/)) {
+            add(audioProfile);
+        }
+    }
+}
+
 ConversionResult<AudioProfileVector>
 aidl2legacy_AudioProfileVector(const AudioProfileVector::Aidl& aidl, bool isInput) {
     return convertContainers<AudioProfileVector>(aidl.first, aidl.second,