On Wed, 14 Nov 2012, Dmitry Torokhov wrote:
> On Wed, Nov 14, 2012 at 04:59:21PM +0100, Benjamin Tissoires wrote:
> > Some devices provides the actual timestamp (hid_dg_scan_time in win8 ones)
> > computed by the hardware itself. This value is global to the frame and is
> > not specific to the multitouch protocol.
> >
> > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>
> > Reviewed-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
>
> Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
>
> I take it will go through Jiri's tree, right?
Yup, I am taking it together with the rest of the series, and including
your Ack. Thanks a lot.
>
> > ---
> > Documentation/input/event-codes.txt | 11 +++++++++++
> > include/linux/input.h | 1 +
> > 2 files changed, 12 insertions(+)
> >
> > diff --git a/Documentation/input/event-codes.txt b/Documentation/input/event-codes.txt
> > index 53305bd..f1ea2c6 100644
> > --- a/Documentation/input/event-codes.txt
> > +++ b/Documentation/input/event-codes.txt
> > @@ -196,6 +196,17 @@ EV_MSC:
> > EV_MSC events are used for input and output events that do not fall under other
> > categories.
> >
> > +A few EV_MSC codes have special meaning:
> > +
> > +* MSC_TIMESTAMP:
> > + - Used to report the number of microseconds since the last reset. This event
> > + should be coded as an uint32 value, which is allowed to wrap around with
> > + no special consequence. It is assumed that the time difference between two
> > + consecutive events is reliable on a reasonable time scale (hours).
> > + A reset to zero can happen, in which case the time since the last event is
> > + unknown. If the device does not provide this information, the driver must
> > + not provide it to user space.
> > +
> > EV_LED:
> > ----------
> > EV_LED events are used for input and output to set and query the state of
> > diff --git a/include/linux/input.h b/include/linux/input.h
> > index ba48743..25354f3 100644
> > --- a/include/linux/input.h
> > +++ b/include/linux/input.h
> > @@ -858,6 +858,7 @@ struct input_keymap_entry {
> > #define MSC_GESTURE 0x02
> > #define MSC_RAW 0x03
> > #define MSC_SCAN 0x04
> > +#define MSC_TIMESTAMP 0x05
> > #define MSC_MAX 0x07
> > #define MSC_CNT (MSC_MAX+1)
> >
> > --
> > 1.8.0
> >
>
> --
> Dmitry
>
--
Jiri Kosina
SUSE Labs
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