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51 lines
1.8 KiB
51 lines
1.8 KiB
/*
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* Copyright (C) 2016 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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package android.hardware.power@1.1;
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import android.hardware.power@1.0;
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/**
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* Interface to collect subsystem level sleep information
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*/
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interface IPower extends android.hardware.power@1.0::IPower {
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/**
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* Subsystem-level sleep state stats:
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* Report cumulative info on the statistics on subsystem-level sleep states
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* since boot.
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*
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* @return subsystems supported on this device and their sleep states
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* @return retval SUCCESS on success or FILESYSTEM_ERROR on filesystem
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* nodes access error.
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*/
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getSubsystemLowPowerStats()
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generates (vec<PowerStateSubsystem> subsystems, Status retval);
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/**
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* powerHintAsync() is called to pass hints on power requirements which
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* may result in adjustment of power/performance parameters of the
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* cpufreq governor and other controls.
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*
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* A particular platform may choose to ignore any hint.
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*
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* @param hint PowerHint which is passed
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* @param data contains additional information about the hint
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* and is described along with the comments for each of the hints.
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*/
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oneway powerHintAsync(PowerHint hint, int32_t data);
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};
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