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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _HARDWARE_POWER_H
#define _HARDWARE_POWER_H
#include <stdint.h>
#if __cplusplus
extern "C" {
#endif
enum {
PARTIAL_WAKE_LOCK = 1, // the cpu stays on, but the screen is off
FULL_WAKE_LOCK = 2 // the screen is also on
};
// while you have a lock held, the device will stay on at least at the
// level you request.
int acquire_wake_lock(int lock, const char* id);
int release_wake_lock(const char* id);
enum {
KEYBOARD_LIGHT = 0x00000001,
SCREEN_LIGHT = 0x00000002,
BUTTON_LIGHT = 0x00000004,
};
// set the lights identified in mask to the brightness specified
// in value. for example
// set_light_brightness(SCREEN_LIGHT | KEYBOARD_LIGHT, 200);
// sets the screen and keyboard lights to brightness 200
int set_light_brightness(unsigned int mask, unsigned int brightness);
// true if you want the screen on, false if you want it off
int set_screen_state(int on);
// set how long to stay awake after the last user activity in seconds
int set_last_user_activity_timeout(int64_t delay);
#if __cplusplus
} // extern "C"
#endif
#endif // _HARDWARE_POWER_H
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