From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Dmitry Torokhov <dtor@insightbb.com>,
Richard Hughes <hughsient@gmail.com>,
linux-acpi@vger.kernel.org, linux-input@atrey.karlin.mff.cuni.cz,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Input: document the proper usage of EV_KEY and KEY_UNKNOWN
Date: Fri, 1 Jun 2007 00:33:27 +0100 [thread overview]
Message-ID: <20070531233326.GA1947@srcf.ucam.org> (raw)
In-Reply-To: <20070531222814.GB4076@khazad-dum.debian.net>
On Thu, May 31, 2007 at 07:28:14PM -0300, Henrique de Moraes Holschuh wrote:
> We have all the pieces needed to have sane, generic userland keyboard handling
> in place for a while now, but it was not sufficiently documented (or used!).
>
> If EV_KEY input drivers always generate scan codes that can be used to
> reprogram their keycode maps, and always generate EV_MSC MSC_SCAN events when
> they output an EV_KEY KEY_UNKNOWN event, userspace can trap those and feed it
> to a generic helper that can ask the user to assign a key code and function to
> that key.
I still disagree that this is the best approach. Userspace already has
the functionality to map keys if they produce a keycode. Producing
KEY_UNKNOWN would require the implementation of a stack of extra code.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2007-05-31 23:33 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-26 17:28 [RFC] thinkpad-acpi input hotkey events Henrique de Moraes Holschuh
[not found] ` <11802004861625-git-send-email-hmh-N3TV7GIv+o9fyO9Q7EP/yw@public.gmane.org>
2007-05-26 17:31 ` [PATCH] ACPI: thinkpad-acpi: register input device Henrique de Moraes Holschuh
[not found] ` <11802006651698-git-send-email-hmh-N3TV7GIv+o9fyO9Q7EP/yw@public.gmane.org>
2007-05-26 17:31 ` [PATCH] ACPI: thinkpad-acpi: add input device support to hotkey subdriver Henrique de Moraes Holschuh
2007-05-26 17:31 ` [PATCH] ACPI: thinkpad-acpi: allow hotkey to input event map to be modified Henrique de Moraes Holschuh
2007-05-26 17:31 ` [PATCH] ACPI: thinkpad-acpi: add thinkpad keys to input.h Henrique de Moraes Holschuh
2007-05-27 3:40 ` Dmitry Torokhov
2007-05-27 12:15 ` Henrique de Moraes Holschuh
2007-05-27 18:10 ` Henrique de Moraes Holschuh
[not found] ` <20070527121513.GC19562-ZGHd14iZgfaRjzvQDGKj+xxZW9W5cXbT@public.gmane.org>
2007-05-29 3:16 ` Dmitry Torokhov
[not found] ` <200705282316.32173.dtor-xOqKmqBdiMhF6kxbq+BtvQ@public.gmane.org>
2007-05-29 13:05 ` Henrique de Moraes Holschuh
2007-05-30 13:57 ` Dmitry Torokhov
2007-05-30 14:04 ` Matthew Garrett
2007-05-30 14:18 ` Dmitry Torokhov
2007-05-30 14:25 ` Matthew Garrett
2007-05-30 14:31 ` Dmitry Torokhov
2007-05-30 14:42 ` Matthew Garrett
2007-05-30 15:07 ` Henrique de Moraes Holschuh
2007-05-30 15:24 ` Henrique de Moraes Holschuh
2007-05-30 16:04 ` Dmitry Torokhov
2007-05-30 17:24 ` Henrique de Moraes Holschuh
2007-05-30 20:25 ` Dmitry Torokhov
2007-05-30 23:01 ` [ibm-acpi-devel] " Matthew Garrett
2007-05-31 0:53 ` Making KEY_UNKNOWN really useful to userland Henrique de Moraes Holschuh
2007-05-31 4:33 ` Dmitry Torokhov
2007-05-31 22:28 ` [PATCH] Input: document the proper usage of EV_KEY and KEY_UNKNOWN Henrique de Moraes Holschuh
2007-05-31 23:33 ` Matthew Garrett [this message]
2007-06-01 0:13 ` Henrique de Moraes Holschuh
2007-06-01 0:24 ` Matthew Garrett
2007-06-01 1:29 ` Henrique de Moraes Holschuh
2007-06-01 1:44 ` Matthew Garrett
2007-06-01 2:11 ` Henrique de Moraes Holschuh
2007-06-01 3:33 ` Dmitry Torokhov
2007-06-01 4:08 ` Matthew Garrett
2007-06-01 4:37 ` Dmitry Torokhov
2007-06-01 13:13 ` Matthew Garrett
2007-06-01 14:04 ` Dmitry Torokhov
2007-06-01 14:19 ` Matthew Garrett
2007-06-01 15:06 ` Henrique de Moraes Holschuh
2007-06-01 15:21 ` Dmitry Torokhov
2007-06-01 14:51 ` Henrique de Moraes Holschuh
2007-06-01 14:19 ` Henrique de Moraes Holschuh
2007-06-20 10:21 ` Helge Hafting
2007-06-06 16:55 ` [PATCH] Input: document the proper usage of EV_KEY and KEY_UNKNOWN (v2) Henrique de Moraes Holschuh
2007-06-29 5:04 ` Dmitry Torokhov
2007-06-30 18:20 ` Henrique de Moraes Holschuh
[not found] ` <20070531005305.GC6883-ZGHd14iZgfaRjzvQDGKj+xxZW9W5cXbT@public.gmane.org>
2007-05-31 10:37 ` Making KEY_UNKNOWN really useful to userland Richard Hughes
2007-05-31 12:48 ` Henrique de Moraes Holschuh
2007-05-31 14:37 ` Dmitry Torokhov
2007-05-27 3:38 ` [PATCH] ACPI: thinkpad-acpi: allow hotkey to input event map to be modified Dmitry Torokhov
2007-05-27 12:03 ` Henrique de Moraes Holschuh
2007-05-29 3:08 ` Dmitry Torokhov
2007-05-29 12:46 ` Henrique de Moraes Holschuh
[not found] ` <20070529124639.GA12935-ZGHd14iZgfaRjzvQDGKj+xxZW9W5cXbT@public.gmane.org>
2007-05-29 12:55 ` Dmitry Torokhov
2007-05-29 13:06 ` [ibm-acpi-devel] " Henrique de Moraes Holschuh
2007-05-27 18:07 ` Henrique de Moraes Holschuh
2007-05-27 3:35 ` [PATCH] ACPI: thinkpad-acpi: register input device Dmitry Torokhov
2007-05-27 11:53 ` Henrique de Moraes Holschuh
2007-05-26 17:36 ` [RFC] thinkpad-acpi input hotkey events Henrique de Moraes Holschuh
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