Dnia 2012-03-09, pią o godzinie 09:37 -0800, Jason Gerecke pisze:
> On Fri, Mar 9, 2012 at 5:20 AM, Przemo Firszt <prz...@firszt.eu> wrote:
> > This patch adds reporting of ABS_WHEEL event. Raported walues are 0..71
> > and are related to absolute location of the finger on the wheel.
> >
> > Signed-off-by: Przemo Firszt <prz...@firszt.eu>
> > ---
> > drivers/hid/hid-wacom.c | 19 +++++++++++++++++++
> > 1 files changed, 19 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
> > index 5c25036..6f65514 100644
> > --- a/drivers/hid/hid-wacom.c
> > +++ b/drivers/hid/hid-wacom.c
> > @@ -36,6 +36,7 @@
> > struct wacom_data {
> > __u16 tool;
> > __u16 butstate;
> > + __u8 whlstate;
> > __u8 features;
> > __u32 id;
> > __u32 serial;
> > @@ -322,6 +323,16 @@ static void wacom_i4_parse_button_report(struct
> > wacom_data *wdata,
> > struct input_dev *input, unsigned char *data)
> > {
> > __u16 new_butstate;
> > + __u8 new_whlstate;
> > + __u8 sync = 0;
> > +
> > + new_whlstate = data[1] & 0x7f;
> > + if (new_whlstate != wdata->whlstate) {
> > + wdata->whlstate = new_whlstate;
> > + input_report_key(input, BTN_TOUCH, 1);
> > + input_report_abs(input, ABS_WHEEL, new_whlstate);
> > + sync = 1;
> > + }
> >
> The highest bit of data[1] is a "touched" flag that you'll want to
> check to determine if the wheel is being used. If its unset, you'll
> want to reset ABS_WHEEL and BTN_TOUCH to zero here.
>
Thanks!
A new patch is on the way...
--
Przemo
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