Re: Input driver for Twinhan USB 6253:0100 remote control

[Mark Lord]

Dmitry Torokhov wrote:
> On Tuesday 14 April 2009 09:14:48 Mark Lord wrote:
> > Dmitry Torokhov wrote:
> > > Hi Mark,
> > >
> > > On Wednesday 08 April 2009 10:28:09 Mark Lord wrote:
> > > > Dmitry,
> > > >
> > > > I briefly had access to a Twinhan remote control (for Mythtv et al.)
> > > > and cobbled something together quickly to make it work.
> > > >
> > > > But I really don't understand the new hid/input stuff,
> > > > so this is undoubtedly a total abomination to your eyes. :)
> > > Actually HID is Juri's baby so let's see what he says ;). From my POV
> > > we need to update keymap to make it emit proper codes instead of Myth
> > > specific ones, but that is a lesser issue.
> > ..
> >
> > That's one thing I haven't figured out:  how to make this compatible
> > with the userspace intput-kbd interface for loading new key maps and stuff.
>
> You will need to convert your patch into proper hid_driver and
> implement drv->input_mapping() method instead of overriding emitted
> events. Then, once HID core is aware about proper mapping, normal
> EVIOCGKEYCODE/EVIOCSKEYCODE will work and will allow adjusting
> keymap from user space.
..

I tried that earlier, but input-kbd only ever listed a single (wrong)
key in the keymap, and wouldn't allow changing anything.
Obviously there's more to it somewhere, I guess.

> I think if you take drivers/hid/hid-belkin.c as a template the
> conversion will take you no time.
..

Okay, I can have a look at that one.  Thanks.

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