On Tue, 22 Aug 2017, Nicolas Boichat wrote: > Computes and forwards the device timestamp according to the > specification. > > Many devices use a 16-bit timestamp field, with a resolution > of 100us, therefore rolling around very frequently (every > 6.5 seconds). To make sure there is no ambiguity, the > timestamp reported to the input stack reset to 0 whenever > the time between 2 received events is greater than > MAX_TIMESTAMP_INTERVAL (1 second). > > Signed-off-by: Nicolas Boichat <drink...@chromium.org> > --- > > Inspired from Benjamin Tissoires's patch here: > https://patchwork.kernel.org/patch/1742181/, and changing the > logic to resynchronize the timestamps to use received time > instead of a potentially more fragile difference between > the 2 deltas.
Applied to for-4.15/multitouch. -- Jiri Kosina SUSE Labs