1 /* 2 * Copyright (C) 2008 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 #ifndef _HARDWARE_POWER_H 18 #define _HARDWARE_POWER_H 19 20 #include <stdint.h> 21 22 #if __cplusplus 23 extern "C" { 24 #endif 25 26 enum { 27 PARTIAL_WAKE_LOCK = 1, // the cpu stays on, but the screen is off 28 FULL_WAKE_LOCK = 2 // the screen is also on 29 }; 30 31 // while you have a lock held, the device will stay on at least at the 32 // level you request. 33 int acquire_wake_lock(int lock, const char* id); 34 int release_wake_lock(const char* id); 35 36 37 #if __cplusplus 38 } // extern "C" 39 #endif 40 41 #endif // _HARDWARE_POWER_H 42