You have an older laptop (pre-2017) or if your touchpad has physical "dedicated" buttons and features that the generic driver doesn't support. Conclusion
We presented a complete, HID-compliant touchpad driver supporting multi-touch with tracking IDs, low latency, and power management. The implementation works across major OSes with minor adjustments. Our code is available as a reference for embedded touchpad developers. Future work includes adding haptic feedback support and machine-learning-based gesture recognition. hid compliant touchpad driver
The driver optionally performs basic gesture detection (two-finger scroll, pinch) before passing events up. You have an older laptop (pre-2017) or if