UATP_MAX_X_SENSORS
memset(uatp_x_sample(sc), 0, UATP_MAX_X_SENSORS);
#define UATP_SENSORS (UATP_MAX_X_SENSORS + UATP_MAX_Y_SENSORS)
return &sc->sc_sample[UATP_MAX_X_SENSORS];
return &sc->sc_acc[UATP_MAX_X_SENSORS];
(sc->sc_knobs.x_sensors <= UATP_MAX_X_SENSORS))
KASSERT(sc->sc_parameters->x_sensors <= UATP_MAX_X_SENSORS);