device_xiaomi_sm6150-common/power/power-feature.c
TheScarastic a0e115027a
davinci: power: Support event-based dt2w node
Change-Id: I08c874f3ca50fad1db820ddd85ef0f5d7ccf0ed2
2020-08-05 14:03:32 +02:00

39 lines
1.2 KiB
C

/*
* Copyright (C) 2020 The LineageOS 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.
*/
#include <fcntl.h>
#include <unistd.h>
#include "power-feature.h"
#include <hardware/power.h>
#include <linux/input.h>
#include <log/log.h>
void set_device_specific_feature(feature_t feature, int state) {
switch (feature) {
case POWER_FEATURE_DOUBLE_TAP_TO_WAKE: {
int fd = open(TAP_TO_WAKE_EVENT_NODE, O_WRONLY);
struct input_event ev;
ev.type = EV_SYN;
ev.code = SYN_CONFIG;
ev.value = state ? INPUT_EVENT_WAKUP_MODE_ON : INPUT_EVENT_WAKUP_MODE_OFF;
write(fd, &ev, sizeof(ev));
close(fd);
}
}
}