On 11/04/2014 12:44 PM, Vignesh R wrote: > I ran following commands > $ evtest /dev/input/touchscreen0 & > (with heavy item on touchscreen) > and > $ cat /sys/bus/iio/devices/iio\:device0/scan_elements/in_voltage4_en > (in a busy loop) > I tried above experiment on my board but I didn't hit any problem even > after running for close to 30 minutes. I was unable to reproduce failure Just to make sure: You had the touchscreen and iio command running in parallel and you saw evtest output while there was iio operation? > The problem may be in configuring correct charge-delay value. Please run: > $ ts_test > /dev/null > and let me know if pen events are being detected properly. Well I get the touch events but not while busy loop on iio interface is running (I get maybe one event every 5 seconds or so). After all, it is the same HW you have. Sebastian -- 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