diff --git a/src/evdev.c b/src/evdev.c index 234a1d52..3346b543 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -1095,7 +1095,15 @@ evdev_configure_device(struct evdev_device *device) device->abs.absinfo_y = absinfo; has_abs = 1; } - if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) && + + /* Fake MT devices have the ABS_MT_SLOT bit set because of + the limited ABS_* range - they aren't MT devices, they + just have too many ABS_ axes */ + if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_SLOT) && + libevdev_get_num_slots(evdev) == -1) { + has_mt = 0; + has_touch = 0; + } else if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) && libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y)) { absinfo = libevdev_get_abs_info(evdev, ABS_MT_POSITION_X); if (evdev_fix_abs_resolution(evdev,