From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] Input: keyboard - add device tree bindings for simple key matrixes
Date: Tue, 3 Jan 2012 17:06:15 +0000 [thread overview]
Message-ID: <20120103170615.GZ2914@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20120103164431.GA31647@core.coreip.homeip.net>
On Tue, Jan 03, 2012 at 08:44:32AM -0800, Dmitry Torokhov wrote:
> On Tue, Jan 03, 2012 at 04:29:30PM +0000, Russell King - ARM Linux wrote:
> > On Tue, Jan 03, 2012 at 08:22:21AM -0800, Simon Glass wrote:
> > > Can the Linux key codes fit in 8 bits?
> >
> > That depends on your point of view.
> >
> > If you hack on X, then the answer is yes and you ignore the squeels of
> > your users when certain key presses get misinterpreted. (The Psion LX
> > platform, otherwise known as the Netbook Pro, suffered with this problem.)
> >
> > If you are a kernel hacker, the answer is no, because key codes currently
> > go all the way to 0x300.
>
> For bootloader environment 0-255 range is probably sufficient though,
> the upper keys are somewhat recent additions to the maps...
I assume you deem 'recent' to mean 8 years ago - they've been there since
at least 2.6.9, which is where the problem I refer to above was first
noticed.
next prev parent reply other threads:[~2012-01-03 17:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-28 22:52 [PATCH] Input: keyboard - add device tree bindings for simple key matrixes Olof Johansson
2011-12-28 23:30 ` Rob Herring
2011-12-28 23:37 ` Olof Johansson
2011-12-29 6:16 ` Stephen Warren
2011-12-29 6:34 ` Olof Johansson
2011-12-29 7:01 ` Stephen Warren
2011-12-29 7:06 ` Olof Johansson
2011-12-29 19:28 ` Rob Herring
2012-01-02 4:11 ` Thomas Abraham
2012-01-02 7:21 ` Grant Likely
2012-01-03 17:44 ` Olof Johansson
2011-12-29 18:42 ` [PATCH v2] " Olof Johansson
2011-12-29 21:14 ` Rob Herring
2011-12-29 21:33 ` Olof Johansson
2011-12-29 22:05 ` Dmitry Torokhov
2011-12-29 22:26 ` Olof Johansson
2012-01-02 6:09 ` [PATCH v3] " Olof Johansson
2012-01-02 18:39 ` Simon Glass
2012-01-03 15:43 ` Olof Johansson
2012-01-03 16:22 ` Simon Glass
2012-01-03 16:29 ` Russell King - ARM Linux
2012-01-03 16:44 ` Dmitry Torokhov
2012-01-03 16:48 ` Olof Johansson
2012-01-03 17:06 ` Russell King - ARM Linux [this message]
2012-01-03 17:57 ` Dmitry Torokhov
2012-01-03 17:46 ` Stephen Warren
2012-01-03 21:37 ` [PATCH v4] " Olof Johansson
2012-01-03 22:37 ` Stephen Warren
2012-01-08 1:05 ` Simon Glass
2012-03-14 4:42 ` Dmitry Torokhov
2012-01-03 22:28 ` [PATCH] Input: tegra-kbc - add device tree support Olof Johansson
2012-01-03 22:42 ` Stephen Warren
2012-01-03 22:58 ` Olof Johansson
2012-01-03 23:21 ` Dmitry Torokhov
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