On Tuesday 19 November 2013 22:27:36 Dmitry Torokhov wrote:
> On Thu, Nov 14, 2013 at 01:02:31PM +0100, Pali Rohár wrote:
> > On Wednesday 13 November 2013 17:28:40 Dmitry Torokhov wrote:
> > > 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.
> >
> > So there is no good key for als yet?
>
> No, but if you send me a patch adding it I will gladly apply
> it.
>
> Thanks.
Ok, here is patch:
Add key code for ambient light sensor button
More notebooks have special button for enabling/disabling ambient
light sensor. This patch adding new als code to input.h header file.
Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx>
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index a372627..1562f10 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -719,6 +719,8 @@ struct input_keymap_entry {
#define BTN_DPAD_LEFT 0x222
#define BTN_DPAD_RIGHT 0x223
+#define KEY_ALS_TOGGLE 0x230
+
#define BTN_TRIGGER_HAPPY 0x2c0
#define BTN_TRIGGER_HAPPY1 0x2c0
#define BTN_TRIGGER_HAPPY2 0x2c1
--
Pali Rohár
pali.rohar@xxxxxxxxx
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