diff --git a/tests/msgq/1.0/ITestMsgQ.hal b/tests/msgq/1.0/ITestMsgQ.hal
index 350e26d..112270a 100644
--- a/tests/msgq/1.0/ITestMsgQ.hal
+++ b/tests/msgq/1.0/ITestMsgQ.hal
@@ -24,14 +24,14 @@
 
     /**
      * This method requests the service to set up a synchronous read/write
-     * wait-free FMQ with the client as reader.
+     * wait-free FMQ using the input descriptor with the client as reader.
+     *
+     * @param mqDesc This structure describes the FMQ that was set up by the
+     * client. Server uses this descriptor to set up a FMQ object at its end.
      *
      * @return ret True if the setup is successful.
-     * @return mqDesc This structure describes the FMQ that was
-     * set up by the service. Client can use it to set up the FMQ at its end.
      */
-    configureFmqSyncReadWrite()
-        generates(bool ret, fmq_sync<uint16_t> mqDesc);
+    configureFmqSyncReadWrite(fmq_sync<uint16_t> mqDesc) generates(bool ret);
 
     /**
      * This method requests the service to return an MQDescriptor to
diff --git a/tests/msgq/1.0/default/TestMsgQ.cpp b/tests/msgq/1.0/default/TestMsgQ.cpp
index 6fd4fc6..ba665c9 100644
--- a/tests/msgq/1.0/default/TestMsgQ.cpp
+++ b/tests/msgq/1.0/default/TestMsgQ.cpp
@@ -24,24 +24,21 @@
 namespace implementation {
 
 // Methods from ::android::hardware::tests::msgq::V1_0::ITestMsgQ follow.
-Return<void> TestMsgQ::configureFmqSyncReadWrite(configureFmqSyncReadWrite_cb _hidl_cb) {
-    static constexpr size_t kNumElementsInQueue = 1024;
-    mFmqSynchronized.reset(new (std::nothrow) MessageQueueSync(
-            kNumElementsInQueue, true /* configureEventFlagWord */));
+Return<bool> TestMsgQ::configureFmqSyncReadWrite(
+    const android::hardware::MQDescriptorSync<uint16_t>& mqDesc) {
+    mFmqSynchronized.reset(new (std::nothrow) MessageQueueSync(mqDesc));
     if ((mFmqSynchronized == nullptr) || (mFmqSynchronized->isValid() == false)) {
-        _hidl_cb(false /* ret */, MessageQueueSync::Descriptor());
-    } else {
-        /*
-         * Initialize the EventFlag word with bit FMQ_NOT_FULL.
-         */
-        auto evFlagWordPtr = mFmqSynchronized->getEventFlagWord();
-        if (evFlagWordPtr != nullptr) {
-            std::atomic_init(evFlagWordPtr,
-                             static_cast<uint32_t>(ITestMsgQ::EventFlagBits::FMQ_NOT_FULL));
-        }
-        _hidl_cb(true /* ret */, *mFmqSynchronized->getDesc());
+        return false;
     }
-    return Void();
+    /*
+     * Initialize the EventFlag word with bit FMQ_NOT_FULL.
+     */
+    auto evFlagWordPtr = mFmqSynchronized->getEventFlagWord();
+    if (evFlagWordPtr != nullptr) {
+        std::atomic_init(evFlagWordPtr,
+                         static_cast<uint32_t>(ITestMsgQ::EventFlagBits::FMQ_NOT_FULL));
+    }
+    return true;
 }
 
 Return<void> TestMsgQ::getFmqUnsyncWrite(bool configureFmq, getFmqUnsyncWrite_cb _hidl_cb) {
diff --git a/tests/msgq/1.0/default/TestMsgQ.h b/tests/msgq/1.0/default/TestMsgQ.h
index 86e4ac4..f9fcddd 100644
--- a/tests/msgq/1.0/default/TestMsgQ.h
+++ b/tests/msgq/1.0/default/TestMsgQ.h
@@ -55,7 +55,7 @@
     TestMsgQ() : mFmqSynchronized(nullptr), mFmqUnsynchronized(nullptr) {}
 
     // Methods from ::android::hardware::tests::msgq::V1_0::ITestMsgQ follow.
-    Return<void> configureFmqSyncReadWrite(configureFmqSyncReadWrite_cb _hidl_cb) override;
+    Return<bool> configureFmqSyncReadWrite(const MQDescriptorSync<uint16_t>& mqDesc) override;
     Return<void> getFmqUnsyncWrite(bool configureFmq, getFmqUnsyncWrite_cb _hidl_cb) override;
     Return<bool> requestWriteFmqSync(int32_t count) override;
     Return<bool> requestReadFmqSync(int32_t count) override;