diff --git a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
index 1335a0c..c30da3c 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
@@ -20,6 +20,7 @@
 #define LOG_TAG "DevicesFactoryHalHidl"
 //#define LOG_NDEBUG 0
 
+#include "android/hidl/manager/1.0/IServiceManager.h"
 #include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
 #include <media/audiohal/hidl/HalDeathHandler.h>
 #include <utils/Log.h>
@@ -28,6 +29,8 @@
 #include "DeviceHalHidl.h"
 #include "DevicesFactoryHalHidl.h"
 
+#include <set>
+
 using ::android::hardware::audio::CPP_VERSION::IDevice;
 using ::android::hardware::audio::CPP_VERSION::Result;
 using ::android::hardware::Return;
@@ -108,5 +111,29 @@
     return BAD_VALUE;
 }
 
+status_t DevicesFactoryHalHidl::getHalPids(std::vector<pid_t> *pids) {
+    std::set<pid_t> pidsSet;
+
+    for (const auto& factory : mDeviceFactories) {
+        using ::android::hidl::base::V1_0::DebugInfo;
+        using android::hidl::manager::V1_0::IServiceManager;
+
+        DebugInfo debugInfo;
+        auto ret = factory->getDebugInfo([&] (const auto &info) {
+               debugInfo = info;
+            });
+        if (!ret.isOk()) {
+           return INVALID_OPERATION;
+        }
+        if (debugInfo.pid == (int)IServiceManager::PidConstant::NO_PID) {
+            continue;
+        }
+        pidsSet.insert(debugInfo.pid);
+    }
+
+    *pids = {pidsSet.begin(), pidsSet.end()};
+    return NO_ERROR;
+}
+
 } // namespace CPP_VERSION
 } // namespace android
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHidl.h b/media/libaudiohal/impl/DevicesFactoryHalHidl.h
index 8775e7b..52185c8 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHidl.h
+++ b/media/libaudiohal/impl/DevicesFactoryHalHidl.h
@@ -37,6 +37,9 @@
     // Opens a device with the specified name. To close the device, it is
     // necessary to release references to the returned object.
     virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device);
+
+            status_t getHalPids(std::vector<pid_t> *pids) override;
+
   private:
     std::vector<sp<IDevicesFactory>> mDeviceFactories;
 
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
index 0e1f1bb..a5aef1b 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
@@ -37,6 +37,14 @@
     }
     return mLocalFactory->openDevice(name, device);
 }
+
+status_t DevicesFactoryHalHybrid::getHalPids(std::vector<pid_t> *pids) {
+    if (mHidlFactory != 0) {
+        return mHidlFactory->getHalPids(pids);
+    }
+    return INVALID_OPERATION;
+}
+
 } // namespace CPP_VERSION
 
 template <>
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHybrid.h b/media/libaudiohal/impl/DevicesFactoryHalHybrid.h
index 545bb70..2189b36 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHybrid.h
+++ b/media/libaudiohal/impl/DevicesFactoryHalHybrid.h
@@ -36,6 +36,8 @@
     // necessary to release references to the returned object.
     virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device);
 
+            status_t getHalPids(std::vector<pid_t> *pids) override;
+
   private:
     sp<DevicesFactoryHalInterface> mLocalFactory;
     sp<DevicesFactoryHalInterface> mHidlFactory;
diff --git a/media/libaudiohal/impl/DevicesFactoryHalLocal.h b/media/libaudiohal/impl/DevicesFactoryHalLocal.h
index 5d108dd..2b011f4 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalLocal.h
+++ b/media/libaudiohal/impl/DevicesFactoryHalLocal.h
@@ -33,6 +33,10 @@
     // necessary to release references to the returned object.
     virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device);
 
+            status_t getHalPids(std::vector<pid_t> *pids __unused) override {
+                return INVALID_OPERATION;
+            }
+
   private:
     friend class DevicesFactoryHalHybrid;