On 5/4/22 03:52, Mauricio Tavares wrote:
> Looking at
>
https://www.kernel.org/doc/html/latest/driver-api/rfkill.html#userspace-s...,
>
> it seems it is supposed to expose /dev/rfkill to the userspace. Maybe
> it is only allowing users to query the state but not change it?
[joe@barrayar ~]$ ls -l /dev/rfkill
crw-rw-r--+ 1 root root 10, 242 Apr 28 16:05 /dev/rfkill
Only root has write access, so it's asking permission.