Part of the Windows Hardware Lab Kit (HLK), used to ensure the device meets "Windows Touch" certification standards for linearity and latency. Conclusion
Ensure the firmware file is in C:\Windows\System32\drivers\ . kmdf hid minidriver for touch i2c device calibration
User Mode ---------------------------- HID Class Driver │ Kernel Mode │ HID minidriver callbacks ▼ KMDF HID Minidriver │ I²C KMDF Lower Filter │ (or replaces HIDI2C.sys) ▼ I²C Controller Driver │ Hardware ▼ Touch Device (I²C) Part of the Windows Hardware Lab Kit (HLK),
// Optional: save runtime adjustments back to registry if (CalibrationWasUpdated) ReadCalibrationFromDevice(tempBuffer); WriteCalibrationToRegistry(tempBuffer); kmdf hid minidriver for touch i2c device calibration