Re: ir-core and default IR maps

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Tue, Nov 09, 2010 at 08:21:34AM -0200, Mauro Carvalho Chehab wrote:
> Em 09-11-2010 04:32, Dmitry Torokhov escreveu:
> > On Mon, Nov 08, 2010 at 12:14:48PM -0200, Mauro Carvalho Chehab wrote:
> >> Em 08-11-2010 11:41, jonsmirl@gmail.com escreveu:
> >>> On Mon, Nov 8, 2010 at 8:34 AM, jonsmirl@gmail.com <jonsmirl@gmail.com> wrote:
> >>>> To achieve plug and play at least one of four choices has to happen:
> >>>
> >>> There is another option, the IR maps get integrated into user space
> >>> keyboard mapping package. This may be possible with the new
> >>> libxkbcommon package.
> >>
> >> That seems interesting.
> >>
> > 
> > I disagree here. libxkbcommon provides X interface while applications
> > might want to access evdev nodes directly. 
> 
> Let me express better: I don't think we should integrate X with the udev tool, 
> but, eventually, we could make some X package dependent of v4l-utils. Not sure
> if libxkbdcommon is the better way to do it, as I don't have it installed here
> on my machines.
> 
> > If anything, parts of
> > ir-utils dealing with keymap selection should be moved into udev. Maybe
> > we should split utilities that select protocol from the keymap setting
> > and use udev keymap utilities to do the task.
> 
> It doesn't make sense to split keymap and protocol selection. Just loading a
> keyboard table but not changing the IR protocol is useless, as the device will
> not be selected. Besides that, the tool that do both is really simple (and, btw,
> it also allows changing the map for a non-RC device, by using one parameter that
> skips the usage of the sysfs nodes at /sys/class/rc):
> 
> # ir-keytable -d /dev/input/event4 -r
> scancode 0x0000 = KEY_LEFTCTRL (0x1d)
> Enabled protocols: 

OTOH loading keymap and selecting protocol are 2 distinct actions and
udev already has a tool to load keymaps that should also work for all
devices, including remotes.

Basically I do not see the reason for having 2 tools doing pretty much
the same thing.

-- 
Dmitry