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