From: Vojtech Pavlik <vojtech@suse.cz>
To: Jamie Lokier <jamie@shareable.org>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
Andries Brouwer <aebr@win.tue.nl>,
Neil Brown <neilb@cse.unsw.edu.au>,
linux-kernel@vger.kernel.org
Subject: Re: Input issues - key down with no key up
Date: Fri, 15 Aug 2003 15:53:31 +0200 [thread overview]
Message-ID: <20030815135331.GC15872@ucw.cz> (raw)
In-Reply-To: <20030815133307.GH15911@mail.jlokier.co.uk>
On Fri, Aug 15, 2003 at 02:33:07PM +0100, Jamie Lokier wrote:
> Vojtech Pavlik wrote:
> > > Several laptops seem to send a key down event 3, 5 or very many times
> > > in response to a single press.
> >
> > One way this could be handled fairly nicely (although the method is
> > maybe too clever to be good) would be to leave the autorepeat up to the
> > sw, ignore any successive presses without a release and watch whether
> > the keyboard will start autorepeating the key after 250 msec. If it does
> > not, then force the key to be released even if we got no release
> > scancode.
>
> Perhaps it's too clever, because some users configure the repeat delay
> in their BIOS to longer than 250ms.
The driver programs the delay. The BIOS setting is irrelevant.
> It is fine if you are able to reliably program the keyboard to use the
> 250ms delay, though.
I am.
> Aren't there some keys which report DOWN and UP but which don't repeat?
No.
> The PS/2 keyboard protocol is utterly absurd.
Yep. It's a dozen or more years of hack upon a hack.
--
Vojtech Pavlik
SuSE Labs, SuSE CR
next prev parent reply other threads:[~2003-08-15 16:14 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-15 5:16 Input issues - key down with no key up Neil Brown
2003-08-15 7:46 ` Andries Brouwer
2003-08-15 10:58 ` Vojtech Pavlik
2003-08-15 12:36 ` Andries Brouwer
2003-08-15 12:43 ` Vojtech Pavlik
2003-08-15 13:27 ` Jamie Lokier
2003-08-15 13:52 ` Vojtech Pavlik
2003-08-15 14:02 ` Jamie Lokier
2003-08-15 15:05 ` Jason Lunz
2003-08-15 13:04 ` Jamie Lokier
2003-08-15 13:10 ` Vojtech Pavlik
2003-08-15 13:33 ` Jamie Lokier
2003-08-15 13:53 ` Vojtech Pavlik [this message]
2003-08-16 13:02 ` Maciej W. Rozycki
2003-08-16 14:09 ` Jamie Lokier
2003-08-17 21:54 ` Vojtech Pavlik
2003-08-18 12:22 ` Maciej W. Rozycki
2003-08-18 10:29 ` Andries Brouwer
2003-08-19 13:04 ` Maciej W. Rozycki
2003-08-19 17:48 ` Andries Brouwer
2003-08-21 11:37 ` Maciej W. Rozycki
2003-08-21 12:44 ` Andries Brouwer
2003-08-21 13:45 ` Maciej W. Rozycki
2003-08-21 14:28 ` Andries Brouwer
2003-08-21 14:38 ` Maciej W. Rozycki
2003-08-21 13:48 ` Jamie Lokier
2003-08-21 14:08 ` Maciej W. Rozycki
2003-08-21 14:14 ` Vojtech Pavlik
2003-08-21 14:33 ` Maciej W. Rozycki
2003-08-21 14:44 ` Andries Brouwer
2003-08-21 15:03 ` Maciej W. Rozycki
2003-08-21 15:29 ` Vojtech Pavlik
2003-08-16 13:01 ` Maciej W. Rozycki
2003-08-15 12:46 ` Neil Brown
2003-08-15 12:54 ` Vojtech Pavlik
2003-08-15 13:52 ` Andries Brouwer
2003-08-15 14:13 ` Vojtech Pavlik
2003-08-16 7:57 ` Neil Brown
2003-08-18 16:01 ` Vojtech Pavlik
2003-08-19 11:40 ` Neil Brown
2003-08-19 11:50 ` Vojtech Pavlik
2003-08-19 23:59 ` Neil Brown
2003-08-20 22:36 ` Andries Brouwer
2003-08-20 22:58 ` Jamie Lokier
2003-08-20 23:52 ` Andries Brouwer
2003-08-21 0:03 ` Jamie Lokier
2003-08-21 0:33 ` Andries Brouwer
2003-08-21 1:36 ` Jamie Lokier
2003-08-21 8:08 ` Vojtech Pavlik
2003-08-21 8:06 ` Vojtech Pavlik
2003-08-21 11:40 ` Maciej W. Rozycki
2003-08-21 12:48 ` Andries Brouwer
2003-08-21 13:22 ` Jamie Lokier
2003-08-21 13:29 ` Maciej W. Rozycki
2003-08-21 8:01 ` Vojtech Pavlik
2003-08-22 0:27 ` Andries Brouwer
2003-08-22 7:33 ` Vojtech Pavlik
2003-08-25 4:22 ` Jamie Lokier
2003-08-25 8:22 ` Vojtech Pavlik
2003-08-25 19:36 ` Jamie Lokier
2003-09-03 8:06 ` Pavel Machek
2003-08-22 13:35 ` Maciej W. Rozycki
2003-08-16 15:15 John Bradford
2003-08-18 11:53 ` Maciej W. Rozycki
2003-08-19 19:37 John Bradford
2003-08-19 23:58 ` Jamie Lokier
2003-08-20 5:59 John Bradford
2003-08-20 15:17 ` Jamie Lokier
2003-08-21 12:11 John Bradford
2003-08-21 12:26 ` Vojtech Pavlik
2003-08-23 12:30 Norman Diamond
2003-08-25 4:24 ` Jamie Lokier
2003-08-25 12:15 ` Norman Diamond
2003-08-25 8:45 John Bradford
2003-08-25 12:47 John Bradford
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030815135331.GC15872@ucw.cz \
--to=vojtech@suse.cz \
--cc=aebr@win.tue.nl \
--cc=jamie@shareable.org \
--cc=linux-kernel@vger.kernel.org \
--cc=neilb@cse.unsw.edu.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).