diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index a638c1d..97a09ca 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -1816,6 +1816,32 @@
     return status;
 }
 
+void AudioPolicyManagerCustom::closeAllInputs() {
+    bool patchRemoved = false;
+
+    for(size_t input_index = 0; input_index < mInputs.size(); input_index++) {
+        sp<AudioInputDescriptor> inputDesc = mInputs.valueAt(input_index);
+        ssize_t patch_index = mAudioPatches.indexOfKey(inputDesc->mPatchHandle);
+        if (patch_index >= 0) {
+            sp<AudioPatch> patchDesc = mAudioPatches.valueAt(patch_index);
+            status_t status = mpClientInterface->releaseAudioPatch(patchDesc->mAfPatchHandle, 0);
+            mAudioPatches.removeItemsAt(patch_index);
+            patchRemoved = true;
+        }
+        if ((inputDesc->mIsSoundTrigger) && (mInputs.size() == 1)) {
+            ALOGD("Do not close sound trigger input handle");
+        } else {
+            mpClientInterface->closeInput(mInputs.keyAt(input_index));
+            mInputs.removeItem(mInputs.keyAt(input_index));
+        }
+    }
+    nextAudioPortGeneration();
+
+    if (patchRemoved) {
+        mpClientInterface->onAudioPatchListUpdate();
+    }
+}
+
 AudioPolicyManagerCustom::AudioPolicyManagerCustom(AudioPolicyClientInterface *clientInterface)
     : AudioPolicyManager(clientInterface),
       mHdmiAudioDisabled(false),
diff --git a/policy_hal/AudioPolicyManager.h b/policy_hal/AudioPolicyManager.h
index 53c9a1b..8e47d19 100644
--- a/policy_hal/AudioPolicyManager.h
+++ b/policy_hal/AudioPolicyManager.h
@@ -73,6 +73,7 @@
         // indicates to the audio policy manager that the input stops being used.
         virtual status_t stopInput(audio_io_handle_t input,
                                    audio_session_t session);
+        virtual void closeAllInputs();
 
 protected: