59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/*
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* Copyright (C) 2017, The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _CUSTOM_HARDWARE_H
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#define _CUSTOM_HARDWARE_H
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#include <dlfcn.h>
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#include <cutils/log.h>
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#include <utils/threads.h>
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static union {
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const fingerprint_module_t *module;
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const hw_module_t *hw_module;
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} vendor;
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static int load(const char *path,
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const struct hw_module_t **pHmi)
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{
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int status = 0;
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void *handle = NULL;
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struct hw_module_t *hmi = NULL;
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ALOGE("Opening vendor module from : %s", path);
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handle = dlopen(path, RTLD_NOW);
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if (handle == NULL) {
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status = -EINVAL;
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goto done;
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}
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hmi = (struct hw_module_t *)dlsym(handle,
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HAL_MODULE_INFO_SYM_AS_STR);
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if (hmi == NULL) {
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status = -EINVAL;
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goto done;
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}
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hmi->dso = handle;
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done:
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*pHmi = hmi;
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return status;
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}
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#endif /* _CUSTOM_HARDWARE_H */
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