[Picking up old thread...] On Fri, Mar 21, 2008 at 10:43:14PM +0000, Richard Purdie wrote: > Later on in the code, BTN_TOUCH should do that same job but that isn't > looked for in the initial check_fd() code. tslib can be easily fixed to > address that issue and if nobody else writes a patch I'll aim to do so > although it might not be for a few days. > > Having said that I don't see why exporting ABS_PRESSURE of 0 and 1 isn't > a valid thing to do, they are pressure readings, just of a rather > limited range! >
Because it does not convey any new data (BTN_TOUCH already indicates that the screen is being touched) and so the kernel and userspace have to spin wheels passing and processing/discarding useless events. -- Dmitry
