Re: input question: ambient light sensor button

From: Dmitry Torokhov
Date: Wed Nov 13 2013 - 11:28:51 EST


On Wed, Nov 13, 2013 at 11:47:18AM +0100, Jiri Kosina wrote:
> On Sun, 15 Sep 2013, Pali Rohár wrote:
>
> > I do not know where to ask this question, but I think that kernel
> > developers could help me.
> >
> > I have notebook with one special button on keyboard which is
> > designed for turning ambient light sensor on and off. By default
> > pressing button do nothing (I can turn ambient light sensor on/off
> > via sysfs platform wmi module). Button press is reported by
> > kernel input device AT Translated Set 2 keyboard and reports it
> > as button "touchpad off".
> >
> > Of course "touchpad off" is incorrect and I'd like to ask which
> > kernel key or button from /usr/include/linux/input.h should be
> > mapped for my ambient light sensor button? Is there already some?
> > And what is strategy for allocating KEY_* and BTN_* numbers?
>
> This is maintained by Dmitry, so he's the one to answer this. I am adding
> him to CC.

I guess we need patch adding

#define KEY_ALS_TOGGLE 0x230

Thanks.

--
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/