diff --git a/sensors/1.0/default/Sensors.cpp b/sensors/1.0/default/Sensors.cpp
index c76369f..d79f5c7 100644
--- a/sensors/1.0/default/Sensors.cpp
+++ b/sensors/1.0/default/Sensors.cpp
@@ -234,6 +234,32 @@
             mSensorDevice->inject_sensor_data(mSensorDevice, &out));
 }
 
+Return<void> Sensors::registerDirectChannel(
+        const SharedMemInfo& mem, registerDirectChannel_cb _aidl_cb) {
+    //TODO(b/30985702): finish implementation
+    (void) mem;
+    _aidl_cb(Result::INVALID_OPERATION, -1);
+    return Void();
+}
+
+Return<Result> Sensors::unregisterDirectChannel(int32_t channelHandle) {
+    //TODO(b/30985702): finish implementation
+    (void) channelHandle;
+    return Result::INVALID_OPERATION;
+}
+
+Return<void> Sensors::configDirectReport(
+        int32_t sensorHandle, int32_t channelHandle, RateLevel rate,
+        configDirectReport_cb _hidl_cb) {
+    //TODO(b/30985702): finish implementation
+    (void) sensorHandle;
+    (void) channelHandle;
+    (void) rate;
+
+    _hidl_cb(Result::INVALID_OPERATION, -1);
+    return Void();
+}
+
 // static
 void Sensors::convertFromSensorEvents(
         size_t count,
diff --git a/sensors/1.0/default/Sensors.h b/sensors/1.0/default/Sensors.h
index f9b837d..abe7f43 100644
--- a/sensors/1.0/default/Sensors.h
+++ b/sensors/1.0/default/Sensors.h
@@ -54,6 +54,15 @@
 
     Return<Result> injectSensorData(const Event& event) override;
 
+    Return<void> registerDirectChannel(
+            const SharedMemInfo& mem, registerDirectChannel_cb _aidl_cb) override;
+
+    Return<Result> unregisterDirectChannel(int32_t channelHandle) override;
+
+    Return<void> configDirectReport(
+            int32_t sensorHandle, int32_t channelHandle, RateLevel rate,
+            configDirectReport_cb _hidl_cb) override;
+
 private:
     status_t mInitCheck;
     sensors_module_t *mSensorModule;