Dmitry Torokhov wrote: > HI Jeremy, > > On Tue, May 05, 2009 at 12:10:34PM -0700, Jeremy Huddleston wrote: >> The appletouch driver is prone to reporting multiple fingers when only >> one is >> pressing. The appletouch driver queries an array of pressure sensors >> and >> counts local maxima in pressure to determine the number of fingers. It >> just >> does this on the raw values, so a data stream like: >> >> 0 100 250 300 299 300 250 100 0 >> >> actually registers as 2 fingers. >> >> This patch updates the logic to ignore small dips in pressure that are >> less >> than the threshold. >> > > Does it still detect 2 fingers as 2 fingers when they are held together? > Yes... and 3 when 3 are there. Before, it would frequently report 3 instead of 2 or 2 instead of 1. I have found the behavior with this patch very reliable... the old behavior was not reliable for me (perhaps due to a precision issue in hardware... or a dent in my finger). -- 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
