On Mon, 24 Sep 2007, Oliver Neukum wrote: > > HID doesn't keep any permanent state by itself. If you want to know > > whether a given key is currently pressed or not, you'd have to inspect > > the bitfields inside input_dev*, I am afraid. > I see no way to do this without a race condition. The field isn't locked > as far as I can tell.
Hi Oliver, Dmitry (CC added) has been doing a lot of rework of locking in input as far as I know. He would know this better. > Secondly, what is to happen in case of a system wide suspend? Will > the system wake up thinking that the key is still pressed? If the release event didn't happen before the machine went to suspend, I'd say so. -- Jiri Kosina
