Missing Key-codes from input.h file.

[anish kumar]

On Mon, 2012-06-25 at 23:24 +0530, Dharam Kumar wrote:
> On Mon, Jun 25, 2012 at 10:47 PM, anish kumar
> <anish198519851985 at gmail.com> wrote:
> > On Mon, 2012-06-25 at 18:52 +0530, Dharam Kumar wrote:
> >> Hi,
> >> I'm working on a module which is an input device and hence it needs to
> >> report certain key events.
> >>
> >> While browsing through the <linux/input.h>, I did find most of the
> >> key-codes(which I need to use)already defined but not all.
> >>
> >>
> >> Few of the KEY_xxx which i could not find are:
> >>
> >>
> >> a.) A Key for going to the previous channel.
> >> b.) Keys for Moving upper-right, lower-right, upper-left and
> >> lower-left direction(probably a GUI(grid of icons),where you move
> >> diagonally)
> >> d.) A key for Subpicture (this 'subpicture' key is deeined in
> >> CEA-931C).
> > I think you are interested in the user space implementation of
> > the keys reported by the input subsystem of kernel.
> > Keys reported by the driver->input subsystem->reported to user space.
> >
> > I am not sure about linux way of reporting keys but in android the key
> > is reported at a particular sysfs file and this sysfs file is read by
> > eventhub.cpp.This file in turn is responsible for sending the events
> > to particular application and it is the responsibility of the
> > application how they interpret this keys.It can interpret events by
> > moving diagonally a pointer/touch or going left/right.
> >
> Thanks Anish ! To be clear, i just want to know the key-code
> which will be used by the Input Subsytem of the Kernel.
> 
> For example, in <linux/input.h> file you will find a lot of #defines
> like the below,mapping different kind of key events to some key-code
> or value :
> #define KEY_UP                 0xXYZ
> #define KEY_DOWN         0xABC and so on...
> 
> Now, I'm looking for key events like:
> #define KEY_PREVIOUSCHANNEL   <???>
> #define KEY_RIGHTUP                         <???>
> #define kEY_RIGHTLEFT                     <???>
> #define kEY_SUBPICTURE                 <???> and so on...
> 
> You are probably right , that Userspace reads the key-events/key-codes
> from certain sysfs entries exported by Android Linux Kernel and these
> key-codes/events will be handled accordingly by the respective
> Framework/Application. But  I'm really not interested in how and what
> Userspace gets from Kernel.
> I'm interested in what values the Kernel or input subsystem will
> provide to such keys..
Do you have such keys in your device KEY_RIGHTUP?

> > Not sure if this is what you are interested in but would have been
> > better if you had described the problem in more detail.
> >>
> >>
> >> Does anybody have any idea about this?
> >>
> >>
> >> -
> >> Dharam
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> >
> >