Your KMDF driver must handle:
Other I2C sensors (accelerometers, cameras) might compete with the touch driver for resources, resulting in instability. kmdf hid minidriver for touch i2c device calibration best
Xcalibrated=(A⋅Xraw)+(B⋅Yraw)+Ccap X sub c a l i b r a t e d end-sub equals open paren cap A center dot cap X sub r a w end-sub close paren plus open paren cap B center dot cap Y sub r a w end-sub close paren plus cap C Your KMDF driver must handle: Other I2C sensors
Manages the I2C controller and serializes requests from your minidriver. CalibrationValid = TRUE
Do not hardcode calibration values into the driver binary. Instead, keep hardware-specific configuration separate from the implementation logic. This allows the same driver to support multiple hardware revisions by simply loading a different configuration file or registry set. Coordinate Mapping & Inversion
// Apply clipping to avoid invalid coordinates devContext->CalibrationValid = TRUE; break;