diff --git a/light/aidl/default/lights.rs b/light/aidl/default/lights.rs
new file mode 100644
index 0000000..60e98d7
--- /dev/null
+++ b/light/aidl/default/lights.rs
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+//! This module implements the ILights AIDL interface.
+
+use log::info;
+
+use android_hardware_light::aidl::android::hardware::light::{
+    HwLight::HwLight, HwLightState::HwLightState, ILights::ILights, LightType::LightType,
+};
+
+use binder::{ExceptionCode, Interface, Status};
+
+/// Defined so we can implement the ILights AIDL interface.
+pub struct LightsService;
+
+impl Interface for LightsService {}
+
+const NUM_DEFAULT_LIGHTS: i32 = 3;
+
+impl ILights for LightsService {
+    fn setLightState(&self, id: i32, state: &HwLightState) -> binder::Result<()> {
+        info!("Lights setting state for id={} to color {:x}", id, state.color);
+        if id <= 0 || id > NUM_DEFAULT_LIGHTS {
+            return Err(Status::new_exception(ExceptionCode::UNSUPPORTED_OPERATION, None));
+        }
+
+        Ok(())
+    }
+
+    fn getLights(&self) -> binder::Result<Vec<HwLight>> {
+        let mut lights: Vec<HwLight> = Vec::with_capacity(NUM_DEFAULT_LIGHTS.try_into().unwrap());
+
+        for i in 1..=NUM_DEFAULT_LIGHTS {
+            let light = HwLight { id: i, ordinal: i, r#type: LightType::BACKLIGHT };
+
+            lights.push(light);
+        }
+
+        info!("Lights reporting supported lights");
+        Ok(lights)
+    }
+}