Comment 165 for bug 1887190

sorry for #159,

the first c program ,i missed the parameter when i run it.

now test it again.

reboot

then

```
 [ra@localhost ~]$ su
Password:
[root@localhost ra]# cd /sys/class/gpio
[root@localhost gpio]# ls
export gpiochip256 unexport
[root@localhost gpio]# echo 386 > export
[root@localhost gpio]# ls
export gpio386 gpiochip256 unexport
[root@localhost gpio]# cd gpio386/
[root@localhost gpio386]# ls
active_low device direction edge power subsystem uevent value
[root@localhost gpio386]#

```
the window 1:

```
[root@localhost gpio386]# cd /src
[root@localhost src]# cd 1
[root@localhost 1]# ls
main.c test
[root@localhost 1]# ./test 100
Status:: Success
Status:: Success
Interval: 100507.7 (real), 100 (set)
[root@localhost 1]# ./test 200
Status:: Success
Status:: Success
Interval: -798786.2 (real), 200 (set)
[root@localhost 1]# ./test 300
Status:: Success
Status:: Success
Interval: -698798.6 (real), 300 (set)
[root@localhost 1]# ./test 400
Status:: Success
Status:: Success
Interval: -598783.9 (real), 400 (set)
[root@localhost 1]# ./test 500
Status:: Success
Status:: Success
Interval: -498759.5 (real), 500 (set)
[root@localhost 1]# ./test 600
Status:: Success
Status:: Success
Interval: 600225.3 (real), 600 (set)
[root@localhost 1]# ./test 700
Status:: Success
Status:: Success
Interval: 700192.4 (real), 700 (set)
[root@localhost 1]# ./test 800
Status:: Success
Status:: Success
Interval: -198836.5 (real), 800 (set)
[root@localhost 1]# ./test 900
Status:: Success
Status:: Success
Interval: -98799.5 (real), 900 (set)
[root@localhost 1]# ./test 1000
Status:: Success
Status:: Success
Interval: 1167.8 (real), 1000 (set)
[root@localhost 1]# ./test 1100
Status:: Success
Status:: Success
Interval: 101167.2 (real), 1100 (set)
[root@localhost 1]# ./test 1200
Status:: Success
Status:: Success
Interval: -797821.1 (real), 1200 (set)
[root@localhost 1]# ./test 1300
Status:: Success
Status:: Success
Interval: 301202.4 (real), 1300 (set)
[root@localhost 1]# ./test 1400
Status:: Success
Status:: Success
Interval: 401208.4 (real), 1400 (set)
[root@localhost 1]# ./test 1500
Status:: Success
Status:: Success
Interval: -497844.3 (real), 1500 (set)
[root@localhost 1]# ./test 1600
Status:: Success
Status:: Success
Interval: -397751.6 (real), 1600 (set)
[root@localhost 1]# ./test 1700
Status:: Success
Status:: Success
Interval: 701201.9 (real), 1700 (set)
[root@localhost 1]# ./test 1800
Status:: Success
Status:: Success
Interval: -197768.8 (real), 1800 (set)
[root@localhost 1]# ./test 1900
Status:: Success
Status:: Success
Interval: -97834.9 (real), 1900 (set)
[root@localhost 1]#

```

window 2:
```
[ra@localhost ~]$ sudo dmesg -W
[sudo] password for ra:
[ 416.150765] i2c_hid i2c-MSFT0001:00: i2c_hid_get_input: IRQ triggered but there's no data

```

the output only once.

that 's all.