Hi, Check out this thread:
http://beagleboard.org/Community/Forums/?place=msg%2Fbeagleboard%2FnwS91gX6dtk%2FKzn5LeytsCUJ I had the same issue with the 4DCAPE-70T. I replaced the delay to 15 ms and the issue went away but it still feels like a hack. On Sun, Mar 16, 2014 at 4:11 PM, paccer <pac...@gmail.com> wrote: > I've been looking into the issue some more (sorry for the delay), and I've > still not been successful on getting the touch screen to work with 3.8. > I am getting touch interrupts, but i don't appear to be able to calibrate > myself out of the problem.. (?) > > After touching the screen the first time, events just keep scrolling > indefinitely.. > it appears that calibration is (rather) correct, but whenever i "release", > its behaving like i'm still touching a part of the screen.. > > I recorded a short video of the issue, in hope that someone might be able to > help me identify what's going on, and how to fix it. > https://www.youtube.com/watch?v=we--uPXqye8 > > Thanks > > > On Thursday, February 27, 2014 8:01:46 AM UTC+1, Vishveshwar wrote: >> >> >> There are two things w.r.t touchscreen: >> - The touch operation itself - is the driver loaded? are you getting touch >> interrupts? >> - Calibration - mapping the usable area so that the touch interacts with >> the correct display element (icon etc) >> >> Some information is at the AOSP page: >> http://source.android.com/devices/tech/input/touch-devices.html >> >> FYI, In the TI DevKit kernel (3.2) the touch calibration data is part of >> the platform data for the touch driver. >> See my post in android-porting for more information about this: >> >> https://groups.google.com/d/msg/android-porting/CpP4xCk0U_g/DaCoAmqj6FwJ >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
