diff --git a/libs/binder/AppOpsManager.cpp b/libs/binder/AppOpsManager.cpp
index a494e22..525685c 100644
--- a/libs/binder/AppOpsManager.cpp
+++ b/libs/binder/AppOpsManager.cpp
@@ -93,6 +93,14 @@
             : APP_OPS_MANAGER_UNAVAILABLE_MODE;
 }
 
+int32_t AppOpsManager::checkAudioOpNoThrow(int32_t op, int32_t usage, int32_t uid,
+        const String16& callingPackage) {
+    sp<IAppOpsService> service = getService();
+    return service != nullptr
+           ? service->checkAudioOperation(op, usage, uid, callingPackage)
+           : APP_OPS_MANAGER_UNAVAILABLE_MODE;
+}
+
 int32_t AppOpsManager::noteOp(int32_t op, int32_t uid, const String16& callingPackage) {
     sp<IAppOpsService> service = getService();
     return service != nullptr
diff --git a/libs/binder/IAppOpsService.cpp b/libs/binder/IAppOpsService.cpp
index fb0d521..66d6e31 100644
--- a/libs/binder/IAppOpsService.cpp
+++ b/libs/binder/IAppOpsService.cpp
@@ -123,6 +123,22 @@
         if (reply.readExceptionCode() != 0) return -1;
         return reply.readInt32();
     }
+
+    virtual int32_t checkAudioOperation(int32_t code, int32_t usage,
+            int32_t uid, const String16& packageName) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+        data.writeInt32(code);
+        data.writeInt32(usage);
+        data.writeInt32(uid);
+        data.writeString16(packageName);
+        remote()->transact(CHECK_AUDIO_OPERATION_TRANSACTION, data, &reply);
+        // fail on exception
+        if (reply.readExceptionCode() != 0) {
+            return MODE_ERRORED;
+        }
+        return reply.readInt32();
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService");
@@ -209,6 +225,17 @@
             reply->writeInt32(opCode);
             return NO_ERROR;
         } break;
+        case CHECK_AUDIO_OPERATION_TRANSACTION: {
+            CHECK_INTERFACE(IAppOpsService, data, reply);
+            const int32_t code = data.readInt32();
+            const int32_t usage = data.readInt32();
+            const int32_t uid = data.readInt32();
+            const String16 packageName = data.readString16();
+            const int32_t res = checkAudioOperation(code, usage, uid, packageName);
+            reply->writeNoException();
+            reply->writeInt32(res);
+            return NO_ERROR;
+        } break;
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index 37237df..17493b4 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -114,6 +114,8 @@
     AppOpsManager();
 
     int32_t checkOp(int32_t op, int32_t uid, const String16& callingPackage);
+    int32_t checkAudioOpNoThrow(int32_t op, int32_t usage, int32_t uid,
+            const String16& callingPackage);
     int32_t noteOp(int32_t op, int32_t uid, const String16& callingPackage);
     int32_t startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
             bool startIfModeDefault);
diff --git a/libs/binder/include/binder/IAppOpsService.h b/libs/binder/include/binder/IAppOpsService.h
index 7807851..3dbd0d9 100644
--- a/libs/binder/include/binder/IAppOpsService.h
+++ b/libs/binder/include/binder/IAppOpsService.h
@@ -43,6 +43,8 @@
     virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) = 0;
     virtual sp<IBinder> getToken(const sp<IBinder>& clientToken) = 0;
     virtual int32_t permissionToOpCode(const String16& permission) = 0;
+    virtual int32_t checkAudioOperation(int32_t code, int32_t usage,int32_t uid,
+            const String16& packageName) = 0;
 
     enum {
         CHECK_OPERATION_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
@@ -53,6 +55,7 @@
         STOP_WATCHING_MODE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION+5,
         GET_TOKEN_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION+6,
         PERMISSION_TO_OP_CODE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION+7,
+        CHECK_AUDIO_OPERATION_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION+8,
     };
 
     enum {