1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include <los_pm.h>
17 
18 #include "hilog_wrapper.h"
19 #include "power/suspend_ops.h"
20 
AutoSuspendLoopFunc(AutoSuspendWait waitFunc)21 static BOOL AutoSuspendLoopFunc(AutoSuspendWait waitFunc)
22 {
23     POWER_HILOGD("Prepare suspend");
24     uint32_t wakeCount = LOS_PmReadLock();
25     POWER_HILOGI("Lock count: %{public}u", wakeCount);
26 
27     // wait callback to check if suspend block counter is ready
28     waitFunc();
29 
30     POWER_HILOGD("Enter suspend");
31     uint32_t ret = LOS_PmSuspend(wakeCount);
32     if (ret != LOS_OK) {
33         return FALSE;
34     }
35 
36     POWER_HILOGD("Exit suspend");
37     return TRUE;
38 }
39 
AutoSuspendLoopInit()40 AutoSuspendLoop AutoSuspendLoopInit()
41 {
42     return AutoSuspendLoopFunc;
43 }
44