Re: Key for tablet rotation?

[Vojtech Pavlik <vojtech@suse.cz>]

On Tue, Feb 23, 2010 at 10:20:25AM +0100, Vojtech Pavlik wrote:
> On Tue, Feb 16, 2010 at 02:56:02PM -0800, Dmitry Torokhov wrote:
> > Now if I only did not forget to CC Vojtech first time around...
> > 
> > On Tue, Feb 16, 2010 at 02:54:49PM -0800, Dmitry Torokhov wrote:
> > > On Tue, Feb 16, 2010 at 09:17:14PM +0000, Matthew Garrett wrote:
> > > > Many tablet PCs have a button to indicate that the screen should be 
> > > > rotated from landscape to portrait mode. There's currently no 
> > > > standardisation here - a couple of drivers seem to be using 
> > > > KEY_DIRECTION, and others are just being mapped to arbitrary F keys. So:
> > > > 
> > > > 1) What is KEY_DIRECTION supposed to be for?
> > > 
> > > Hmm, that is the good question. It looks like it's been introduced with
> > > the first patch for input events that Vojtech brought in 2.3 kernels and
> > > I do not see any users for it in mainline.
> > > 
> > > Vojtech, do you remember by any chance what you intended it to be used
> > > for?
> > > 
> > > > 2) If it's not suitable, do we still have space for a KEY_ROTATE?
> > > > 
> > > 
> > > We still have a few slots available but I'd lean towards KEY_DIRECTION
> > > (with better name maybe).
> 
> This is way too long ago, sorry. I suppose it was a key on one of the
> early extended AT keyboards, not really related to tablet computing.

Indeed, it was the case - it got in together with KEY_CYCLEWINDOWS,
KEY_MSDOS, KEY_WWW, and the (in)famous KEY_COFFEE.

> Now, if it's not used anywhere, it makes good sense to reuse it.

-- 
Vojtech Pavlik
Director SuSE Labs