On Mon, Dec 04, 2017 at 12:29:10PM +0100, Manuel Bouyer wrote: > The question would then be: how do radio device know the state > at e.g. ifconfig up time ?
It wouldn't ;-) But the backend drivers could inform it of changes induced by ifconfig? > Also I think, if we go this route, it should be indepednant from acpi: > we could have such a button connected to a GPIO on a non-acpi device. Sure, acpi is just an example for something that gets the real button event. Martin