/* * Copyright (C) 2017, 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 _CUSTOM_HARDWARE_H #define _CUSTOM_HARDWARE_H #include #include #include static union { const fingerprint_module_t *module; const hw_module_t *hw_module; } vendor; static int load(const char *path, const struct hw_module_t **pHmi) { int status = 0; void *handle = NULL; struct hw_module_t *hmi = NULL; ALOGE("Opening vendor module from : %s", path); handle = dlopen(path, RTLD_NOW); if (handle == NULL) { status = -EINVAL; goto done; } hmi = (struct hw_module_t *)dlsym(handle, HAL_MODULE_INFO_SYM_AS_STR); if (hmi == NULL) { status = -EINVAL; goto done; } hmi->dso = handle; done: *pHmi = hmi; return status; } #endif /* _CUSTOM_HARDWARE_H */