"François Revol" <revol@xxxxxxx> wrote: > The userland version could take a BMessage as descriptor (int32 > "class" > and "subclass" fields for ex...). > Any comment ? I don't think there is the need for this in the kernel at all, but I would be great to have a userland service that manages all this. We would just need some convention for each class of device. Bye, Axel.