1 /* 2 * Copyright (C) 2012 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 #include <errno.h> 17 #include <string.h> 18 #include <sys/types.h> 19 #include <sys/stat.h> 20 #include <fcntl.h> 21 22 #define LOG_TAG "Legacy PowerHAL" 23 #include <utils/Log.h> 24 25 #include <hardware/hardware.h> 26 #include <hardware/power.h> 27 28 // We only support clang and g++. 29 #define UNUSED_ARGUMENT __attribute((unused)) 30 31 static void power_init(struct power_module *module UNUSED_ARGUMENT) 32 { 33 } 34 35 static void power_set_interactive(struct power_module *module UNUSED_ARGUMENT, 36 int on UNUSED_ARGUMENT) 37 { 38 } 39 40 static void power_hint(struct power_module *module UNUSED_ARGUMENT, 41 power_hint_t hint, 42 void *data UNUSED_ARGUMENT) { 43 switch (hint) { 44 default: 45 break; 46 } 47 } 48 49 static struct hw_module_methods_t power_module_methods = { 50 .open = NULL, 51 }; 52 53 struct power_module HAL_MODULE_INFO_SYM = { 54 .common = { 55 .tag = HARDWARE_MODULE_TAG, 56 .module_api_version = POWER_MODULE_API_VERSION_0_2, 57 .hal_api_version = HARDWARE_HAL_API_VERSION, 58 .id = POWER_HARDWARE_MODULE_ID, 59 .name = "Default Power HAL", 60 .author = "The Android Open Source Project", 61 .methods = &power_module_methods, 62 }, 63 64 .init = power_init, 65 .setInteractive = power_set_interactive, 66 .powerHint = power_hint, 67 }; 68
