linux-kernel - Re: [PATCH] eeepc-wmi: set the touchpad toggle key code to F21

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Date:	Fri, 25 Feb 2011 17:22:43 +0800
From:	Keng-Yü Lin <keng-yu.lin@...onical.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Martin Pitt <martin.pitt@...onical.com>
Cc:	Corentin Chary <corentin.chary@...il.com>,
	Matthew Garrett <mjg@...hat.com>,
	acpi4asus-user@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	tyson.chen@...onical.com
Subject: Re: [PATCH] eeepc-wmi: set the touchpad toggle key code to F21

On Fri, Feb 25, 2011 at 3:18 PM, Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:
> I believe that the kernel should use KEY_TOUCHPAD_TOGGLE and userspace
> should use udev's key re-mapping facilities while X is unable to process
> keycodes above 255 to adjust to the keycode du jour. If all kernel
> drivers were to use KEY_TOUCHPAD_TOGGLE then remapping would be much
> easier (the utility would simply check capabilities for
> KEY_TOUCHPAD_TOGGLE and do the remap).

Can udev re-map a key code to another?

Am I correct that udev can only re-map a scan code to a specified key code.
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