1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <nvram/hal/nvram_device_adapter.h>
18 
19 #include "trusty_nvram_implementation.h"
20 
trusty_nvram_open(const hw_module_t * module,const char * device_id,hw_device_t ** device_ptr)21 extern "C" int trusty_nvram_open(const hw_module_t* module,
22                                  const char* device_id,
23                                  hw_device_t** device_ptr) {
24   if (strcmp(NVRAM_HARDWARE_DEVICE_ID, device_id) != 0) {
25     return -EINVAL;
26   }
27 
28   nvram::NvramDeviceAdapter* adapter = new nvram::NvramDeviceAdapter(
29       module, new nvram::TrustyNvramImplementation);
30   *device_ptr = adapter->as_device();
31   return 0;
32 }
33