Hi Dmitry, > -----Original Message----- > From: Dmitry Torokhov [mailto:dmitry.torokhov@xxxxxxxxx] > Sent: Monday, September 06, 2010 10:43 AM > To: Naveen Kumar GADDIPATI > > > > > +static bool bu21013_verify_delta(int x1, int y1, int x2, int y2) > > > > +{ > > > > + int delta_x, delta_y; > > > > + if ((x1 != 0) && (y1 != 0)) { > > > > + delta_x = x2 - x1; > > > > + if (x1 > x2) > > > > + delta_x = x1 - x2; > > > > + delta_y = y2 - y1; > > > > + if (y1 > y2) > > > > + delta_y = y1 - y2; > > > > + if ((delta_x < DELTA_MIN) || (delta_y < > DELTA_MIN)) > > > > + return false; > > > > > > If you specify "fuzz" for given axis I think input core will do > this > > > for > > > you. > > What is fuzz? > > > It is one of the parameters in input_set_abs_params() calls that > instructs input core to perform filtering on input events. > Here the delta calculation is between two co-ordinates for multi touch case according to the controller specification. Is the fuzz useful in this case also? Thanks & Regards, Naveen -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
