On Tue, 7 Dec 2010, Henrik Rydberg wrote: > The drivers using the type B protocol all report tracking information > the same way. The contact id is semantically equivalent to > ABS_MT_SLOT, and the handling of ABS_MT_TRACKING_ID only complicates > the driver. The situation can be improved upon by providing a common > pointer emulation code, thereby removing the need for the tracking id > in the driver. This patch moves all tracking event handling over to > the input core, simplifying both the existing drivers and the ones > currently in preparation. > > Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx> > --- > This is revision three of the patch, with changes to incorporate the > active use of ABS_MT_TOOL_TYPE. Example usages are found in pen and > touch tablets and simple dual touch devices. The report_slot_state() > function now takes the tool type as argument, since a change in either > tool type of touch state should trigger a new tracking id. > > Thanks, > Henrik > > drivers/hid/hid-3m-pct.c | 30 +--------- Acked-by: Jiri Kosina <jkosina@xxxxxxx> -- Jiri Kosina SUSE Labs, Novell Inc. -- 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
