sdm845-common: Build our own lights HAL

Change-Id: I0e0d2db5c109778b86ab54101b70f0d3856195cb

lights/Light.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2018 The LineageOS 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.
+ */
+#ifndef ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
+#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
+
+#include <android/hardware/light/2.0/ILight.h>
+#include <hardware/lights.h>
+#include <hidl/Status.h>
+#include <unordered_map>
+#include <mutex>
+
+namespace android {
+namespace hardware {
+namespace light {
+namespace V2_0 {
+namespace implementation {
+
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::light::V2_0::ILight;
+using ::android::hardware::light::V2_0::LightState;
+using ::android::hardware::light::V2_0::Status;
+using ::android::hardware::light::V2_0::Type;
+
+class Light : public ILight {
+  public:
+    Light();
+
+    Return<Status> setLight(Type type, const LightState& state) override;
+    Return<void> getSupportedTypes(getSupportedTypes_cb _hidl_cb) override;
+
+  private:
+    void handleBacklight(const LightState& state);
+    void handleRgb(const LightState& state, size_t index);
+
+    std::mutex mLock;
+    std::unordered_map<Type, std::function<void(const LightState&)>> mLights;
+    std::array<LightState, 3> mLightStates;
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace light
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H