2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef _HARDWARE_POWER_H
18 #define _HARDWARE_POWER_H
27 PARTIAL_WAKE_LOCK = 1, // the cpu stays on, but the screen is off
28 FULL_WAKE_LOCK = 2 // the screen is also on
31 // while you have a lock held, the device will stay on at least at the
33 int acquire_wake_lock(int lock, const char* id);
34 int release_wake_lock(const char* id);
36 // true if you want the screen on, false if you want it off
37 int set_screen_state(int on);
39 // set how long to stay awake after the last user activity in seconds
40 int set_last_user_activity_timeout(int64_t delay);
47 #endif // _HARDWARE_POWER_H