Files
android_device_brcm_rpi4/light/service.cpp
Konsta bbdbc45eea initial Raspberry Vanilla AOSP 12 commit
* Audio
  - Based on AOSP hikey audio HAL:
    https://android.googlesource.com/device/linaro/hikey/+/refs/heads/master/audio/
  - ALSA based on Android-x86
  - ALSA loop is used to support HDMI audio on Pi 4 because VC4 HDMI
    audio devices use SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE that is not
    supported on Android
    https://github.com/raspberrypi/linux/issues/4651
    https://github.com/raspberrypi/linux/issues/4654

* Bluetooth
  - AOSP Broadcom vendor stack with some additional fixes from android-rpi

* Camera
  - libcamera for official Raspberry Pi CSI camera modules based on GloDroid
  - AOSP external camera HAL for UVC USB webcams:
    https://source.android.com/docs/core/camera/external-usb-cameras

* Graphics
  - OpenGL & Vulkan: upstream Mesa with GloDroid patches
  - Upstream drm_hwcomposer with force resolution patch from Android-x86 and
    my additional fixes
  - minigbm based on GloDroid

* Health
  - Based on AOSP cuttlefish health HAL

* Kernel
  - Merge of Raspberry Pi and AOSP common kernel with my additional fixes
    and configurations
    https://github.com/raspberrypi/linux
    https://android.googlesource.com/kernel/common/

* Lights
  - Based on LineageOS Xiaomi msm8996-common lights HAL

* suspend_blocker
  - Based on AOSP cuttlefish

* v4l2_codec2
  - Based on AOSP with my Raspberry Pi 4 specific fixes

* Wifi
  - AOSP Broadcom vendor stack with my additional fixes
2022-09-17 13:57:57 +03:00

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1.9 KiB
C++

/*
* Copyright (C) 2018 The LineageOS Project
* Copyright (C) 2021-2022 KonstaKANG
*
* 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.
*/
#define LOG_TAG "android.hardware.light@2.0-service.rpi"
#include <android-base/logging.h>
#include <hidl/HidlTransportSupport.h>
#include <utils/Errors.h>
#include "Light.h"
// libhwbinder:
using android::hardware::configureRpcThreadpool;
using android::hardware::joinRpcThreadpool;
// Generated HIDL files
using android::hardware::light::V2_0::ILight;
using android::hardware::light::V2_0::implementation::Light;
const static std::string kLcdBacklightPath = "/sys/class/backlight/rpi_backlight/brightness";
int main() {
uint32_t lcdMaxBrightness = 255;
std::ofstream lcdBacklight(kLcdBacklightPath);
if (!lcdBacklight) {
LOG(ERROR) << "Failed to open " << kLcdBacklightPath << ", error=" << errno
<< " (" << strerror(errno) << ")";
//return -errno;
}
android::sp<ILight> service = new Light(
{std::move(lcdBacklight), lcdMaxBrightness});
configureRpcThreadpool(1, true);
android::status_t status = service->registerAsService();
if (status != android::OK) {
LOG(ERROR) << "Cannot register Light HAL service";
//return 1;
}
LOG(INFO) << "Light HAL Ready.";
joinRpcThreadpool();
// Under normal cases, execution will not reach this line.
LOG(ERROR) << "Light HAL failed to join thread pool.";
return 1;
}