X_AXIS_MAX
input_set_abs_params(htcpen_dev, ABS_X, 0, X_AXIS_MAX, 0, 0);
x = X_AXIS_MAX - ((x * 8) + ((xy >> 4) & 0xf));
x = X_AXIS_MAX - x;
if (x != X_AXIS_MAX && x != 0) {