Re: gpioctl on the ODROID C2

Vincent DEFERT <[email protected]> writes:

> I'm trying to use the GPIO of the ODROID C2 (as root) but I get an 
> "Operation not permitted" error whatever I do.
>
> For instance, when I issue: gpioctl gpio0 set out pp
> I get gpioctl: GPIOSET: Operation not permitted
>
> Interestingly, gpioctl gpio0 list doesn't list anything.
>
> dmesg says:
>
> [     1.000000] mesonpinctrl0 at simplebus5: Meson GXBB periphs GPIO
> [     1.000000] gpio0 at mesonpinctrl0: 119 pins
>
> ls -l /dev/gpio0 shows:
>
> crw-rw-r--  1 root  _gpio  173, 0 Jun 13 03:42 /dev/gpio0
>
> Is there anything special I should do to be able to use gpioctl?


securelevel might be in the way.  If possible, try gpioctl in single
user or arrange for securelevel to be -1, such as compiling a INSECURE
kernel.



-- 
Brad Spencer - [email protected]