-
- input_mt_sync(input);
-
- /*
- * touchscreen emulation: store (x, y) as
- * the last valid values in this frame
- */
- td->lastx = td->x;
- td->lasty = td->y;
- td->lastz = td->z;
- }
-
- /*
- * touchscreen emulation: if this is the second finger and at least
- * one in this frame is valid, the latest valid in the frame is
- * the oldest on the panel, the one we want for single touch
- */
- if (!td->first && td->activity) {
- input_event(input, EV_ABS, ABS_X, td->lastx >> 3);
- input_event(input, EV_ABS, ABS_Y, td->lasty >> 3);
- input_event(input, EV_ABS, ABS_PRESSURE, td->lastz);
- }
-
- if (!td->valid) {
- /*
- * touchscreen emulation: if the first finger is invalid
- * and there previously was finger activity, this is a release
- */
- if (td->first && td->activity) {
- input_event(input, EV_KEY, BTN_TOUCH, 0);
- td->activity = false;
- }
- return;
- }
-
-
- /* touchscreen emulation: if no previous activity, emit touch event */
- if (!td->activity) {
- input_event(input, EV_KEY, BTN_TOUCH, 1);
- td->activity = true;