[PATCH v3] Input: keyboard - add device tree bindings for simple key matrixes

[Dmitry Torokhov]

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...

-- 
Dmitry