diff --git a/camera/device/3.2/default/Android.bp b/camera/device/3.2/default/Android.bp
index e0dc5ff..d95f8f4 100644
--- a/camera/device/3.2/default/Android.bp
+++ b/camera/device/3.2/default/Android.bp
@@ -14,10 +14,14 @@
         "android.hardware.camera.provider@2.4",
         "liblog",
         "libhardware",
-        "libcamera_metadata"
+        "libcamera_metadata",
+        "libfmq"
     ],
     static_libs: [
         "android.hardware.camera.common@1.0-helper"
     ],
-    export_include_dirs: ["."]
+    export_include_dirs: ["."],
+    export_shared_lib_headers: [
+        "libfmq",
+    ]
 }
diff --git a/camera/device/3.2/default/CameraDeviceSession.cpp b/camera/device/3.2/default/CameraDeviceSession.cpp
index 5bb53c7..ebb8fcb 100644
--- a/camera/device/3.2/default/CameraDeviceSession.cpp
+++ b/camera/device/3.2/default/CameraDeviceSession.cpp
@@ -30,6 +30,9 @@
 namespace V3_2 {
 namespace implementation {
 
+// Size of request metadata fast message queue. Change to 0 to always use hwbinder buffer.
+static constexpr size_t CAMERA_REQUEST_METADATA_QUEUE_SIZE = 1 << 20 /* 1MB */;
+
 HandleImporter& CameraDeviceSession::sHandleImporter = HandleImporter::getInstance();
 const int CameraDeviceSession::ResultBatcher::NOT_BATCHED;
 
@@ -66,6 +69,14 @@
         mClosed = true;
         return true;
     }
+
+    mRequestMetadataQueue = std::make_unique<RequestMetadataQueue>(
+            CAMERA_REQUEST_METADATA_QUEUE_SIZE, false /* non blocking */);
+    if (!mRequestMetadataQueue->isValid()) {
+        ALOGE("%s: invalid fmq", __FUNCTION__);
+        return true;
+    }
+
     return false;
 }
 
@@ -699,6 +710,12 @@
     }
 }
 
+Return<void> CameraDeviceSession::getCaptureRequestMetadataQueue(
+    getCaptureRequestMetadataQueue_cb _hidl_cb) {
+    _hidl_cb(*mRequestMetadataQueue->getDesc());
+    return Void();
+}
+
 Return<void> CameraDeviceSession::processCaptureRequest(
         const hidl_vec<CaptureRequest>& requests,
         const hidl_vec<BufferCache>& cachesToRemove,
@@ -731,7 +748,24 @@
 
     camera3_capture_request_t halRequest;
     halRequest.frame_number = request.frameNumber;
-    bool converted = convertFromHidl(request.settings, &halRequest.settings);
+
+    bool converted = true;
+    CameraMetadata settingsFmq;  // settings from FMQ
+    if (request.fmqSettingsSize > 0) {
+        // non-blocking read; client must write metadata before calling
+        // processOneCaptureRequest
+        settingsFmq.resize(request.fmqSettingsSize);
+        bool read = mRequestMetadataQueue->read(settingsFmq.data(), request.fmqSettingsSize);
+        if (read) {
+            converted = convertFromHidl(settingsFmq, &halRequest.settings);
+        } else {
+            ALOGE("%s: capture request settings metadata couldn't be read from fmq!", __FUNCTION__);
+            converted = false;
+        }
+    } else {
+        converted = convertFromHidl(request.settings, &halRequest.settings);
+    }
+
     if (!converted) {
         ALOGE("%s: capture request settings metadata is corrupt!", __FUNCTION__);
         return Status::INTERNAL_ERROR;
diff --git a/camera/device/3.2/default/CameraDeviceSession.h b/camera/device/3.2/default/CameraDeviceSession.h
index 781056e..f59f503 100644
--- a/camera/device/3.2/default/CameraDeviceSession.h
+++ b/camera/device/3.2/default/CameraDeviceSession.h
@@ -17,19 +17,20 @@
 #ifndef ANDROID_HARDWARE_CAMERA_DEVICE_V3_2_CAMERADEVICE3SESSION_H
 #define ANDROID_HARDWARE_CAMERA_DEVICE_V3_2_CAMERADEVICE3SESSION_H
 
+#include <android/hardware/camera/device/3.2/ICameraDevice.h>
+#include <android/hardware/camera/device/3.2/ICameraDeviceSession.h>
+#include <fmq/MessageQueue.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <include/convert.h>
 #include <deque>
 #include <map>
 #include <unordered_map>
-#include "hardware/camera_common.h"
-#include "hardware/camera3.h"
-#include "utils/Mutex.h"
-#include <android/hardware/camera/device/3.2/ICameraDevice.h>
-#include <android/hardware/camera/device/3.2/ICameraDeviceSession.h>
-#include <hidl/Status.h>
-#include <hidl/MQDescriptor.h>
-#include <include/convert.h>
-#include "HandleImporter.h"
 #include "CameraMetadata.h"
+#include "HandleImporter.h"
+#include "hardware/camera3.h"
+#include "hardware/camera_common.h"
+#include "utils/Mutex.h"
 
 namespace android {
 namespace hardware {
@@ -44,6 +45,9 @@
 using ::android::hardware::camera::device::V3_2::ICameraDeviceSession;
 using ::android::hardware::camera::common::V1_0::Status;
 using ::android::hardware::camera::common::V1_0::helper::HandleImporter;
+using ::android::hardware::kSynchronizedReadWrite;
+using ::android::hardware::MessageQueue;
+using ::android::hardware::MQDescriptorSync;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 using ::android::hardware::hidl_vec;
@@ -84,6 +88,8 @@
             RequestTemplate type, constructDefaultRequestSettings_cb _hidl_cb) override;
     Return<void> configureStreams(
             const StreamConfiguration& requestedConfiguration, configureStreams_cb _hidl_cb) override;
+    Return<void> getCaptureRequestMetadataQueue(
+        getCaptureRequestMetadataQueue_cb _hidl_cb) override;
     Return<void> processCaptureRequest(
             const hidl_vec<CaptureRequest>& requests,
             const hidl_vec<BufferCache>& cachesToRemove,
@@ -126,6 +132,9 @@
 
     common::V1_0::helper::CameraMetadata mDeviceInfo;
 
+    using RequestMetadataQueue = MessageQueue<uint8_t, kSynchronizedReadWrite>;
+    std::unique_ptr<RequestMetadataQueue> mRequestMetadataQueue;
+
     class ResultBatcher {
     public:
         ResultBatcher(const sp<ICameraDeviceCallback>& callback);