Hi Peter, I modified ID_SEAT to seat0, but it didn't help. Also tried removing ENV{ID_SEAT} no difference.
Thanks & Best Regards,Sanjay On Thursday, 3 October, 2019, 12:50:54 pm GMT+1, Peter Hutterer <peter.hutte...@who-t.net> wrote: On Thu, Oct 03, 2019 at 10:52:41AM +0000, sanjay anvekar wrote: > Hi Peter, I couldn't get reason for missing ID_INPUT_TOUCHSCREEN , my >udev rule looks as below. > SUBSYSTEM=="input" KERNEL=="event[0-9]" ENV{ID_INPUT_TOUCHSCREEN}=="1" > ENV{ID_SEAT}="seat1" SYMLINK+="/dev/input/event0" you assign seat1 here but libinput by default uses seat0. so the device will simply be ignored unless you tell libinput to listen to events from seat1. libinput debug-events --seat seat1 should show the events, and likewise your compositor provided it listens to the right seat. > > I don't have libinput record tool, instead tried with evtest and I see > BTN_TOUCH, below is capture from evtest > ~# evtestNo device specified, trying to scan all of > /dev/input/event*Available devices:/dev/input/event0: > touchscreen/dev/input/event1: Dell Dell USB Optical MouseSelect the > device event number [0-1]: 0Input driver version is 1.0.1Input device ID: bus > 0x18 vendor 0x0 product 0x0 version 0x0Input device name: > "touchscreen"Supported events: Event type 0 (EV_SYN) Event type 1 (EV_KEY) > Event code 330 (BTN_TOUCH) Event type 3 (EV_ABS) Event code 48 > (ABS_MT_TOUCH_MAJOR) Value 0 Min 0 Max 600 > Event code 53 (ABS_MT_POSITION_X) Value 0 Min 168 > Max 3908 Event code 54 (ABS_MT_POSITION_Y) Value 0 Min > 195 Max 4045Properties:Testing ... (interrupt to exit)Event: > time 1569995436.407176, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1Event: > time 1569995436.407176, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value > 96Event: time 1569995436.407176, type 3 (EV_ABS), code 53 > (ABS_MT_POSITION_X), value 630Event: time 1569995436.407176, type 3 (EV_ABS), > code 54 (ABS_MT_POSITION_Y), value 693Event: time 1569995436.407176, > ++++++++++++++ SYN_MT_REPORT ++++++++++++Event: time 1569995436.407176, > -------------- SYN_REPORT ------------Event: time 1569995436.413546, type 3 > (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 94Event: time > 1569995436.413546, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value > 640Event: time 1569995436.413546, type 3 (EV_ABS), code 54 > (ABS_MT_POSITION_Y), value 705Event: time 1569995436.476318, ++++++++++++++ > SYN_MT_REPORT ++++++++++++Event: time 1569995436.476318, -------------- > SYN_REPORT ------------Event: time 1569995436.482637, type 3 (EV_ABS), code > 48 (ABS_MT_TOUCH_MAJOR), value 85Event: time 1569995436.482637, type 3 > (EV_ABS), code 53 (ABS_MT_POSITION_X), value 645Event: time > 1569995436.482637, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value > 696Event: time 1569995436.482637, ++++++++++++++ SYN_MT_REPORT > ++++++++++++Event: time 1569995436.543353, -------------- SYN_REPORT > ------------Event: time 1569995436.549449, type 3 (EV_ABS), code 48 > (ABS_MT_TOUCH_MAJOR), value 89Event: time 1569995436.549449, type 3 (EV_ABS), > code 53 (ABS_MT_POSITION_X), value 638Event: time 1569995436.549449, type 3 > (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 697Event: time > 1569995436.549449, ++++++++++++++ SYN_MT_REPORT ++++++++++++Event: time > 1569995436.549449, -------------- SYN_REPORT ------------Event: time > 1569995436.555527, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value > 102Event: time 1569995436.555527, type 3 (EV_ABS), code 53 > (ABS_MT_POSITION_X), value 638Event: time 1569995436.555527, type 3 (EV_ABS), > code 54 (ABS_MT_POSITION_Y), value 709Event: time 1569995436.555527, > ++++++++++++++ SYN_MT_REPORT ++++++++++++Event: time 1569995436.555527, > -------------- SYN_REPORT ------------Event: time 1569995436.752071, type 1 > (EV_KEY), code 330 (BTN_TOUCH), value 0Event: time 1569995436.752071, type 3 > (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 0Event: time 1569995436.752071, > ++++++++++++++ SYN_MT_REPORT ++++++++++++Event: time 1569995436.752071, > -------------- SYN_REPORT ------------ impossible to read, sorry. Cheers, Peter > > Does this indicate that Kernel driver is working fine and issue is with some > configuration ? Please let me know. > Thanks & Best Regards,Sanjay > > On Wednesday, 2 October, 2019, 07:16:32 pm GMT+1, Peter Hutterer ><peter.hutte...@who-t.net> wrote: > > On Wed, Oct 02, 2019 at 04:40:24PM +0000, sanjay anvekar wrote: > > Hi Peter, Thank you for your response. I tried changing udev properties > >but it didn't help. Here is output from udevadm command.udevadm info > >/dev/input/event0P: > >/devices/soc0/soc/2100000.aips-bus/21a4000.i2c/i2c-1/1-0048/input/input0/event0N: > > input/event0S: input/by-path/platform-21a4000.i2c-eventE: > >DEVLINKS=/dev/input/by-path/platform-21a4000.i2c-eventE: > >DEVNAME=/dev/input/event0E: > >DEVPATH=/devices/soc0/soc/2100000.aips-bus/21a4000.i2c/i2c-1/1-0048/input/input0/event0E: > > ID_INPUT=1E: ID_PATH=platform-21a4000.i2cE: > >ID_PATH_TAG=platform-21a4000_i2cE: MAJOR=13E: MINOR=64E: SUBSYSTEM=inputE: > >USEC_INITIALIZED=2341962 > > > > Also tried with 'libinput-debug-events' and following is > > outputlibinput-debug-events --device /dev/input/event0 --verboseinput > > device 'touchscreen', /dev/input/event0 not tagged as input devicefailed to > > create input device '/dev/input/event0'.Failed to initialized device > > /dev/input/event0 > > I tested this input device with 'evetest' application and it works, but > > doesn't work with libinput. > > How do I debug further and conclude that it is Kernel driver issue ? Please > > let me know. > > Thanks & Best Regards,Sanjay > > fwiw, the plain text your email client sends appears to be ... broken. > > you're missing ID_INPUT_TOUCHSCREEN which is probably you're missing > BTN_TOUCH on the evdev node. run libinput record and that'll tell you the > bits set for the device - for a touchscreen you need ABS_X/Y and BTN_TOUCH > as the minimum. > > look for the udev-builtin-input_id.c file in the systemd git repo, that will > tell you how the various ID_INPUT_FOO tags get applied. Then you need to > make sure the kernel exports those. > > Cheers, > Peter > > > > > > > > > > > On Wednesday, 2 October, 2019, 02:50:39 pm GMT+1, Peter Hutterer > ><peter.hutte...@who-t.net> wrote: > > > > On Tue, Oct 01, 2019 at 04:08:17PM +0000, sanjay anvekar wrote: > > > Hi All, I am new to Wayland. I am using Weston 1.9.0 on imx6x board with > > > touchscreen display of resolution 1024x768. I am seeing touchscreen as > > > /dev/input/event0 device and it is working. I confirmed functioning of > > > touchscreen using "cat /dev/input/event0" command. Unfortunately, I don't > > > see touchscreen is listed by libinput application i.e. > > > 'libinput-list-devices'. If I connect USB mouse then I see mouse is listed > > > by 'libinput-list-devices' application, but not touchscreen. I am running > > > Qt application and it is not able to detect touch inputs. Please let me > > > know your inputs to resolve this problem. > > > > most likely the udev property ID_INPUT and/or ID_INPUT_TOUCHSCREEN is > > missing for this device, libinput debug-events --verbose should print > > *something* at least for the device. > > > > If the property is missing though that means that it doesn't export the > > correct evdev bits to be picked up by the udev builtin, so most likely the > > kernel driver needs to be fixed. > > > > Cheers, > > Peter > > >
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