1 files changed, 284 insertions, 0 deletions
diff --git a/light/service.cpp b/light/service.cpp
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--- /dev/null
+++ b/light/service.cpp
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+/*
+ * 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.
+ */
+
+#define LOG_TAG "android.hardware.light@2.0-service.zuk_8996"
+
+#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/leds/lcd-backlight/brightness";
+const static std::string kLcdMaxBacklightPath = "/sys/class/leds/lcd-backlight/max_brightness";
+const static std::string kButton1BacklightPath = "/sys/class/leds/button-backlight/brightness";
+const static std::string kButton2BacklightPath = "/sys/class/leds/button-backlight1/brightness";
+const static std::string kButton3BacklightPath = "/sys/class/leds/button-backlight2/brightness";
+const static std::string kRedLedPath = "/sys/class/leds/red/brightness";
+const static std::string kGreenLedPath = "/sys/class/leds/green/brightness";
+const static std::string kBlueLedPath = "/sys/class/leds/blue/brightness";
+const static std::string kRedDutyPctsPath = "/sys/class/leds/red/duty_pcts";
+const static std::string kGreenDutyPctsPath = "/sys/class/leds/green/duty_pcts";
+const static std::string kBlueDutyPctsPath = "/sys/class/leds/blue/duty_pcts";
+const static std::string kRedStartIdxPath = "/sys/class/leds/red/start_idx";
+const static std::string kGreenStartIdxPath = "/sys/class/leds/green/start_idx";
+const static std::string kBlueStartIdxPath = "/sys/class/leds/blue/start_idx";
+const static std::string kRedPauseLoPath = "/sys/class/leds/red/pause_lo";
+const static std::string kGreenPauseLoPath = "/sys/class/leds/green/pause_lo";
+const static std::string kBluePauseLoPath = "/sys/class/leds/blue/pause_lo";
+const static std::string kRedPauseHiPath = "/sys/class/leds/red/pause_hi";
+const static std::string kGreenPauseHiPath = "/sys/class/leds/green/pause_hi";
+const static std::string kBluePauseHiPath = "/sys/class/leds/blue/pause_hi";
+const static std::string kRedRampStepMsPath = "/sys/class/leds/red/ramp_step_ms";
+const static std::string kGreenRampStepMsPath = "/sys/class/leds/green/ramp_step_ms";
+const static std::string kBlueRampStepMsPath = "/sys/class/leds/blue/ramp_step_ms";
+const static std::string kRedBlinkPath = "/sys/class/leds/red/blink";
+const static std::string kGreenBlinkPath = "/sys/class/leds/green/blink";
+const static std::string kBlueBlinkPath = "/sys/class/leds/blue/blink";
+const static std::string kRgbBlinkPath = "/sys/class/leds/rgb/rgb_blink";
+
+int main() {
+    uint32_t lcdMaxBrightness = 255;
+    std::vector<std::ofstream> buttonBacklight;
+
+    std::ofstream lcdBacklight(kLcdBacklightPath);
+    if (!lcdBacklight) {
+        LOG(ERROR) << "Failed to open " << kLcdBacklightPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ifstream lcdMaxBacklight(kLcdMaxBacklightPath);
+    if (!lcdMaxBacklight) {
+        LOG(ERROR) << "Failed to open " << kLcdMaxBacklightPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    } else {
+        lcdMaxBacklight >> lcdMaxBrightness;
+    }
+
+    std::ofstream button1Backlight(kButton1BacklightPath);
+    if (button1Backlight) {
+        buttonBacklight.emplace_back(std::move(button1Backlight));
+    } else {
+        LOG(WARNING) << "Failed to open " << kButton1BacklightPath << ", error=" << errno
+                     << " (" << strerror(errno) << ")";
+    }
+
+    std::ofstream button2Backlight(kButton2BacklightPath);
+    if (button2Backlight) {
+        buttonBacklight.emplace_back(std::move(button2Backlight));
+    } else {
+        LOG(WARNING) << "Failed to open " << kButton2BacklightPath << ", error=" << errno
+                     << " (" << strerror(errno) << ")";
+    }
+
+    std::ofstream button3Backlight(kButton3BacklightPath);
+    if (button3Backlight) {
+        buttonBacklight.emplace_back(std::move(button3Backlight));
+    } else {
+        LOG(WARNING) << "Failed to open " << kButton3BacklightPath << ", error=" << errno
+                     << " (" << strerror(errno) << ")";
+    }
+
+    std::ofstream redLed(kRedLedPath);
+    if (!redLed) {
+        LOG(ERROR) << "Failed to open " << kRedLedPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenLed(kGreenLedPath);
+    if (!greenLed) {
+        LOG(ERROR) << "Failed to open " << kGreenLedPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream blueLed(kBlueLedPath);
+    if (!blueLed) {
+        LOG(ERROR) << "Failed to open " << kBlueLedPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream redDutyPcts(kRedDutyPctsPath);
+    if (!redDutyPcts) {
+        LOG(ERROR) << "Failed to open " << kRedDutyPctsPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenDutyPcts(kGreenDutyPctsPath);
+    if (!greenDutyPcts) {
+        LOG(ERROR) << "Failed to open " << kGreenDutyPctsPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream blueDutyPcts(kBlueDutyPctsPath);
+    if (!blueDutyPcts) {
+        LOG(ERROR) << "Failed to open " << kBlueDutyPctsPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream redStartIdx(kRedStartIdxPath);
+    if (!redStartIdx) {
+        LOG(ERROR) << "Failed to open " << kRedStartIdxPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenStartIdx(kGreenStartIdxPath);
+    if (!greenStartIdx) {
+        LOG(ERROR) << "Failed to open " << kGreenStartIdxPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream blueStartIdx(kBlueStartIdxPath);
+    if (!blueStartIdx) {
+        LOG(ERROR) << "Failed to open " << kBlueStartIdxPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream redPauseLo(kRedPauseLoPath);
+    if (!redPauseLo) {
+        LOG(ERROR) << "Failed to open " << kRedPauseLoPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenPauseLo(kGreenPauseLoPath);
+    if (!greenPauseLo) {
+        LOG(ERROR) << "Failed to open " << kGreenPauseLoPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream bluePauseLo(kBluePauseLoPath);
+    if (!bluePauseLo) {
+        LOG(ERROR) << "Failed to open " << kBluePauseLoPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream redPauseHi(kRedPauseHiPath);
+    if (!redPauseHi) {
+        LOG(ERROR) << "Failed to open " << kRedPauseHiPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenPauseHi(kGreenPauseHiPath);
+    if (!greenPauseHi) {
+        LOG(ERROR) << "Failed to open " << kGreenPauseHiPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream bluePauseHi(kBluePauseHiPath);
+    if (!bluePauseHi) {
+        LOG(ERROR) << "Failed to open " << kBluePauseHiPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream redRampStepMs(kRedRampStepMsPath);
+    if (!redRampStepMs) {
+        LOG(ERROR) << "Failed to open " << kRedRampStepMsPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenRampStepMs(kGreenRampStepMsPath);
+    if (!greenRampStepMs) {
+        LOG(ERROR) << "Failed to open " << kGreenRampStepMsPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream blueRampStepMs(kBlueRampStepMsPath);
+    if (!blueRampStepMs) {
+        LOG(ERROR) << "Failed to open " << kBlueRampStepMsPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream redBlink(kRedBlinkPath);
+    if (!redBlink) {
+        LOG(ERROR) << "Failed to open " << kRedBlinkPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream greenBlink(kGreenBlinkPath);
+    if (!greenBlink) {
+        LOG(ERROR) << "Failed to open " << kGreenBlinkPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream blueBlink(kBlueBlinkPath);
+    if (!blueBlink) {
+        LOG(ERROR) << "Failed to open " << kBlueBlinkPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    std::ofstream rgbBlink(kRgbBlinkPath);
+    if (!rgbBlink) {
+        LOG(ERROR) << "Failed to open " << kRgbBlinkPath << ", error=" << errno
+                   << " (" << strerror(errno) << ")";
+        return -errno;
+    }
+
+    android::sp<ILight> service = new Light(
+            {std::move(lcdBacklight), lcdMaxBrightness}, std::move(buttonBacklight),
+            std::move(redLed), std::move(greenLed), std::move(blueLed),
+            std::move(redDutyPcts), std::move(greenDutyPcts), std::move(blueDutyPcts),
+            std::move(redStartIdx), std::move(greenStartIdx), std::move(blueStartIdx),
+            std::move(redPauseLo), std::move(greenPauseLo), std::move(bluePauseLo),
+            std::move(redPauseHi), std::move(greenPauseHi), std::move(bluePauseHi),
+            std::move(redRampStepMs), std::move(greenRampStepMs), std::move(blueRampStepMs),
+            std::move(redBlink), std::move(greenBlink), std::move(blueBlink),
+            std::move(rgbBlink));
+
+    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;
+}