Hi Jiada, On Fri, Aug 16, 2019 at 05:28:50PM +0900, Jiada Wang wrote: > input_mt_report_slot_state() ignores the tool when the slot is closed. > which has caused a bit of confusion. > This patch introduces input_mt_report_slot_inactive() to report slot > inactive state. > replaces all input_mt_report_slot_state() with input_mt_report_slot_inactive() > in case of close of slot, also some other related changes. This seems to actually contain 2 changes: - switching to use return value of input_mt_report_slot_state() - actually introducing and using input_mt_report_slot_inactive() Please split them. > > +/** > + * input_mt_report_slot_inactive() - report contact inactive state > + * @dev: input device with allocated MT slots > + * > + * Reports the contact inactive state via ABS_MT_TRACKING_ID > + * > + */ > +void input_mt_report_slot_inactive(struct input_dev *dev) > +{ > + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); > +} > +EXPORT_SYMBOL(input_mt_report_slot_inactive); I think this should be a static inline, there is no need to have out of line implementation for a 1-liner. Thanks. -- Dmitry