26.04.2020 18:39, Dmitry Osipenko пишет: > 26.04.2020 14:21, Michał Mirosław пишет: >> On Sat, Apr 25, 2020 at 09:52:00PM -0700, Dmitry Torokhov wrote: >>> On Mon, Apr 13, 2020 at 03:32:23PM +0200, Michał Mirosław wrote: >>>> Driver only ever reports MT events. Clear capabilities of all others. >>> This is not true. input_mt_sync_frame() calls >>> input_mt_report_pointer_emulation() which does emut single-touch events >>> for the benefit of older userspace (or userspace that is not interested >>> in multitouch). >> >> Oh, I didn't notice that. Looking at the code, I see that >> input_mt_init_slots() sets up the emulated axes in this case. >> >> Do you need me to update the commitmsg? > > I tried Ubuntu 12.04 that uses ancient libinput (or whatever it was back > then), which doesn't support MT. Mouse doesn't move at all with this > patch being applied. Without this patch mouse moves, but it's not usable > because the cursor's position is wrong, i.e. mouse position doesn't > match the screen touches. > > This means that input_mt_report_pointer_emulation() doesn't set up > everything needed for the legacy pointer emulation. > I meant the input_mt_init_slots().
