Hi Jussi, On Mon, Jan 09, 2012 at 06:44:14PM +0200, Jussi Pakkanen wrote: > --- > Documentation/input/event-codes.txt | 27 +++++++++++++++++++++++++++ > 1 files changed, 27 insertions(+), 0 deletions(-) > > diff --git a/Documentation/input/event-codes.txt b/Documentation/input/event-codes.txt > index 23fcb05..7c515a5 100644 > --- a/Documentation/input/event-codes.txt > +++ b/Documentation/input/event-codes.txt > @@ -220,6 +220,33 @@ EV_PWR: > EV_PWR events are a special type of event used specifically for power > mangement. Its usage is not well defined. To be addressed later. > > +Device properties: > +================= > + > +INPUT_PROP_POINTER: > +------------------ > +There is a one to one mapping between the device coordinates and > +screen coordinates. This is not correct as touchpads fall firmly into INPUT_PROP_POINTER land and certainly do not have 1:1 relationship between on-screen and device coordinates. > This property only has meaning for non-touch based > +input such as a pen or an eraser. A drawing tablet would have this property > +set. Wacom Bamboo touch can be said is touch based but still is a pointer device. Basically pointer device is one that requires use of an on-screen pointer to reflect user's movement while with direct devices touching object itself serves as a pointer to the user. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html