sm8450-common: sensors: Introduce LightNotifier and use libssccalapi@2.0

Change-Id: Iec11aa1a8ccc13db5d30cc6fa52e4b10d255c706

sensors/utils/SscCalApiWrapper.cpp

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2024 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "SscCalApiWrapper"
+
+#include "SscCalApi.h"
+
+#include <android-base/logging.h>
+#include <dlfcn.h>
+
+SscCalApiWrapper::SscCalApiWrapper() {
+    mSscCalApiHandle = dlopen("libssccalapi@2.0.so", RTLD_NOW);
+    if (mSscCalApiHandle) {
+        init_current_sensors =
+                (init_current_sensors_t)dlsym(mSscCalApiHandle, "_Z20init_current_sensorsb");
+        if (init_current_sensors == NULL) {
+            LOG(ERROR) << "could not find init_current_sensors: " << dlerror();
+        }
+
+        process_msg = (process_msg_t)dlsym(mSscCalApiHandle, "_Z11process_msgP8_oem_msg");
+        if (process_msg == NULL) {
+            LOG(ERROR) << "could not find process_msg: " << dlerror();
+        }
+    } else {
+        LOG(INFO) << "could not dlopen libssccalapi@2.0.so: " << dlerror();
+    }
+}
+
+SscCalApiWrapper::~SscCalApiWrapper() {
+    dlclose(mSscCalApiHandle);
+}
+
+SscCalApiWrapper& SscCalApiWrapper::getInstance() {
+    static SscCalApiWrapper instance;
+    return instance;
+}
+
+void SscCalApiWrapper::initCurrentSensors(bool debug) {
+    if (init_current_sensors != NULL) {
+        init_current_sensors(debug);
+    }
+}
+
+void SscCalApiWrapper::processMsg(_oem_msg* msg) {
+    if (process_msg != NULL) {
+        LOG(DEBUG) << "sending oem_msg for sensor " << msg->sensorType
+                   << " with type: " << msg->notifyType << " and value: " << msg->value;
+        process_msg(msg);
+    }
+}