On Tue, Oct 05, 2010 at 06:07:36PM +0200, Oliver Neukum wrote: > Am Dienstag, 5. Oktober 2010, 17:55:52 schrieb Dmitry Torokhov: > > > Yes, but based on sane timing. From the time stamps user space > > > would conclude that the key had been pressed at an unknown time > > > before open and released at the time the event indicates. Possibly > > > it would compute that the key had been held for at least hours. > > > > > > > I do not understand. If a client never seen the "press" event and only > > saw "release" event it can't make any assumptions about timing. Press > > could be a millisecond ago or an hour ago, it just does not know. And > > such scenario can easily happen if the client is second to open the > > device. > > As soon as you open a device you see key presses. If you see a release > without a press, the press must have happened before you opened. > So if you know when you opened and when a key is released, you'll > have a lower limit on how long the key must have been held down. > Yes. I still do not see the usefulness of this data. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html