Hi Pali, On Fri, Oct 03, 2014 at 03:51:12PM +0200, Pali Rohár wrote: > Sometimes laptops with closed lid receive invalid ALPS protocol V3 packets > with > last bit7 set. > > This happens on Dell Latitude laptops and it looks like it is BIOS bug. > Probably > EC does not correctly split keyboard and touchpad PS/2 data and when laptop > lid > is closed it adds 0xFF packet into touchpad PS/2 data.
Is it always 0xff or do you see different values with the 7th bit set? Also, the "bad data" - does is always stop on the 6th byte of the data stream or the "real" 6th byte comes after the bad one? Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
