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/*
* Copyright (C) 2012 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.
*/
#define LOG_TAG "libsuspend"
#include <stdbool.h>
#include <log/log.h>
#include <suspend/autosuspend.h>
#include "autosuspend_ops.h"
static struct autosuspend_ops* autosuspend_ops = NULL;
static bool autosuspend_enabled;
static int autosuspend_init(void) {
if (autosuspend_ops != NULL) {
return 0;
}
autosuspend_ops = autosuspend_wakeup_count_init();
if (autosuspend_ops == NULL) {
ALOGE("failed to initialize autosuspend");
return -1;
}
ALOGV("autosuspend initialized");
return 0;
}
int autosuspend_enable(void) {
int ret;
ret = autosuspend_init();
if (ret) {
return ret;
}
ALOGV("autosuspend_enable");
if (autosuspend_enabled) {
return 0;
}
ret = autosuspend_ops->enable();
if (ret) {
return ret;
}
autosuspend_enabled = true;
return 0;
}
int autosuspend_disable(void) {
int ret;
ret = autosuspend_init();
if (ret) {
return ret;
}
ALOGV("autosuspend_disable");
if (!autosuspend_enabled) {
return 0;
}
ret = autosuspend_ops->disable();
if (ret) {
return ret;
}
autosuspend_enabled = false;
return 0;
}
int autosuspend_force_suspend(int timeout_ms) {
int ret;
ret = autosuspend_init();
if (ret) {
return ret;
}
ALOGV("autosuspend_force_suspend");
return autosuspend_ops->force_suspend(timeout_ms);
}
void autosuspend_set_wakeup_callback(void (*func)(bool success)) {
int ret;
ret = autosuspend_init();
if (ret) {
return;
}
ALOGV("set_wakeup_callback");
autosuspend_ops->set_wakeup_callback(func);
}
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