On Mon, 2012-06-25 at 23:24 +0530, Dharam Kumar wrote: > On Mon, Jun 25, 2012 at 10:47 PM, anish kumar > <anish198519851985@xxxxxxxxx> 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 > >> _______________________________________________ > >> Kernelnewbies mailing list > >> Kernelnewbies@xxxxxxxxxxxxxxxxx > >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
