On Mon, Jul 27, 2015 at 8:35 AM, Peter Gregory <[email protected]> wrote: > Let me stretch first before Google-Fu.... > Ha! Woo! Wa! > Ouchie! I pulled a muscle somewhere! > Again, I lack in skill and dexterity. :( > > Searches for Debian 4DCAPE jessie lxqt (and various combinations) result in > the same info. > Most problems talk about calibration and kernel dumps. > This release does not have issues with basic touchscreen operation and > calibration operation. > Or, I should clarify, the calibration program runs and a touch results in a > response. > > However, there is an issue with touch with positioning and which button is > pressed and how many times. > If I touch and drag, it acts like a right-click hold (with releases) and drag > (selects a region of the screen) > Despite running touch calibration, it's not calibrated. Maybe because during > calibration the cursor jumps about on the screen? > A touch on a control results in several mouse events - some left clicks, some > right clicks (menus flicker, refuse to stay up) > It seems like a debouncing issue. > > If I plug in a USB mouse, the mouse works as expected. > Positioning works well. Clicks respond as expected. > > If I put Debian 7.8 lxde on the same hardware, the touchscreen works > perfectly. > Positioning works well. Clicks respond as expected. > > Maybe I'm just not finding the post or google result that talks about the > resolution to this issue.
Our 'new' v4.1.x kernel just needs some tuning on the adc.. We've had about 3 years to tune the 3.8 kernel for touchscreen, most of the patches went mainline. Feel free to jump in and help. ;) Regards, -- Robert Nelson https://rcn-ee.com/ -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
