From: Oliver Neukum <oliver@neukum.org>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Bastien Nocera <hadess@hadess.net>,
linux-input <linux-input@vger.kernel.org>,
Jiri Kosina <jkosina@suse.cz>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RESEND] [PATCH] Input: add appleir USB driver
Date: Tue, 5 Oct 2010 18:07:36 +0200 [thread overview]
Message-ID: <201010051807.36551.oliver@neukum.org> (raw)
In-Reply-To: <20101005155552.GB19730@core.coreip.homeip.net>
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.
Regards
Oliver
next prev parent reply other threads:[~2010-10-05 16:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-30 10:57 [RESEND] [PATCH] Input: add appleir USB driver Bastien Nocera
2010-09-30 15:47 ` Dmitry Torokhov
2010-09-30 15:51 ` Bastien Nocera
2010-10-08 0:39 ` Jarod Wilson
2010-11-18 4:18 ` Bastien Nocera
2010-11-19 18:07 ` Jarod Wilson
2010-10-04 19:17 ` Oliver Neukum
2010-10-05 4:45 ` Dmitry Torokhov
2010-10-05 6:02 ` Oliver Neukum
2010-10-05 6:08 ` Dmitry Torokhov
2010-10-05 6:18 ` Oliver Neukum
2010-10-05 15:55 ` Dmitry Torokhov
2010-10-05 16:07 ` Oliver Neukum [this message]
2010-10-05 16:18 ` Dmitry Torokhov
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