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—HID, Touchpad Driver, Multi-touch, Input Subsystem, USB, Linux Kernel, MT Protocol B. I. Introduction Modern laptops and input devices rely on touchpads for cursor control, tapping, and multi-finger gestures. The Human Interface Device (HID) standard, defined by the USB-IF, provides a unified protocol for input devices. However, implementing a custom touchpad driver that is HID-compliant requires careful handling of report descriptors, touch tracking, and OS-specific quirks. hid compliant touchpad driver
| OS | Latency (ms) | Max touches | Gestures supported | Quirks | |----|--------------|-------------|--------------------|--------| | Linux 6.1 | 6.2 | 5 | 2-finger scroll, pinch | None | | Windows 11 | 8.5 | 5 | 3-finger swipe | Requires .inf | | macOS 13 | 12.0 | 5 | Only basic | Needs IOKit wrapper | This paper is complete and ready for submission