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Touchscreen is detected at boot and is posted on dmesg yet is neither working
nor showing on /dev/input
uname -a
Linux **** 6.8.0-38-generic #38-Ubuntu SMP PREEMPT_DYNAMIC Fri Jun 7 15:25:01
UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Hardware:
Hardware name: LENOVO 20MDCTO1WW/20MDCTO1WW, BIOS N2EET63W (1.45 ) 11/13/2023
dmesg:
[ 1.887840] input: Wacom Co.,Ltd. Pen and multitouch sensor Touchscreen as
/devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.0/0003:056A:5193.0002/input/input9
[ 1.888411] input: Wacom Co.,Ltd. Pen and multitouch sensor as
/devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.0/0003:056A:5193.0002/input/input10
[ 1.889654] hid-generic 0003:056A:5193.0002: input,hiddev0,hidraw1: USB HID
v1.11 Device [Wacom Co.,Ltd. Pen and multitouch sensor] on
usb-0000:00:14.0-10/input0
[ 1.891057] input: Wacom Co.,Ltd. Pen and multitouch sensor Stylus as
/devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.1/0003:056A:5193.0003/input/input11
root@****:# ls -ailF /sys/bus/usb/devices/1-10/1-10:1.0/
total 0
44484 drwxr-xr-x 6 root root 0 Jul 23 09:35 ./
44412 drwxr-xr-x 7 root root 0 Jul 23 01:48 ../
44733 drwxr-xr-x 5 root root 0 Jul 23 01:48 0003:056A:5193.0002/
44496 -rw-r--r-- 1 root root 4096 Jul 23 09:22 authorized
44489 -r--r--r-- 1 root root 4096 Jul 23 09:22 bAlternateSetting
44491 -r--r--r-- 1 root root 4096 Jul 23 01:48 bInterfaceClass
44488 -r--r--r-- 1 root root 4096 Jul 23 01:48 bInterfaceNumber
44493 -r--r--r-- 1 root root 4096 Jul 23 09:22 bInterfaceProtocol
44492 -r--r--r-- 1 root root 4096 Jul 23 01:48 bInterfaceSubClass
44490 -r--r--r-- 1 root root 4096 Jul 23 01:48 bNumEndpoints
44732 lrwxrwxrwx 1 root root 0 Jul 23 01:48 driver ->
../../../../../../bus/usb/drivers/usbhid/
44513 drwxr-xr-x 3 root root 0 Jul 23 09:22 ep_81/
44486 lrwxrwxrwx 1 root root 0 Jul 23 09:22 firmware_node ->
../../../../../LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:1e/device:1f/device:2a/
44512 -r--r--r-- 1 root root 4096 Jul 23 09:22 interface
44494 -r--r--r-- 1 root root 4096 Jul 23 09:22 modalias
44498 drwxr-xr-x 2 root root 0 Jul 23 09:22 physical_location/
44506 drwxr-xr-x 2 root root 0 Jul 23 09:22 power/
44505 lrwxrwxrwx 1 root root 0 Jul 23 01:48 subsystem ->
../../../../../../bus/usb/
44495 -r--r--r-- 1 root root 4096 Jul 23 09:22 supports_autosuspend
44487 -rw-r--r-- 1 root root 4096 Jul 23 01:48 uevent
root@****:# cat /sys/bus/usb/devices/1-10/1-10:1.0/interface
Multitouch
root@****:# cat /sys/bus/usb/devices/1-10/1-10:1.1/interface
Pen
root@****:# ls -ailF /dev/input
total 0
142 drwxr-xr-x 4 root root 540 Jul 23 01:48 ./
1 drwxr-xr-x 20 root root 4640 Jul 23 05:09 ../
721 drwxr-xr-x 2 root root 140 Jul 23 01:48 by-id/
716 drwxr-xr-x 2 root root 360 Jul 23 01:48 by-path/
145 crw-rw---- 1 root input 13, 64 Jul 23 01:48 event0
146 crw-rw---- 1 root input 13, 65 Jul 23 01:48 event1
769 crw-rw---- 1 root input 13, 74 Jul 23 01:48 event10
770 crw-rw---- 1 root input 13, 75 Jul 23 01:48 event11
771 crw-rw---- 1 root input 13, 76 Jul 23 01:48 event12
772 crw-rw---- 1 root input 13, 77 Jul 23 01:48 event13
880 crw-rw---- 1 root input 13, 78 Jul 23 01:48 event14
888 crw-rw---- 1 root input 13, 79 Jul 23 01:48 event15
895 crw-rw---- 1 root input 13, 80 Jul 23 01:48 event16
147 crw-rw---- 1 root input 13, 66 Jul 23 01:48 event2
150 crw-rw---- 1 root input 13, 67 Jul 23 01:48 event3
172 crw-rw---- 1 root input 13, 68 Jul 23 01:48 event4
341 crw-rw---- 1 root input 13, 69 Jul 23 01:48 event5
418 crw-rw---- 1 root input 13, 70 Jul 23 01:48 event6
440 crw-rw---- 1 root input 13, 71 Jul 23 01:48 event7
443 crw-rw---- 1 root input 13, 72 Jul 23 01:48 event8
876 crw-rw---- 1 root input 13, 73 Jul 23 01:48 event9
143 crw-rw---- 1 root input 13, 63 Jul 23 01:48 mice
417 crw-rw---- 1 root input 13, 32 Jul 23 01:48 mouse0
439 crw-rw---- 1 root input 13, 33 Jul 23 01:48 mouse1
442 crw-rw---- 1 root input 13, 34 Jul 23 01:48 mouse2
887 crw-rw---- 1 root input 13, 35 Jul 23 01:48 mouse3
894 crw-rw---- 1 root input 13, 36 Jul 23 01:48 mouse4
** Affects: ubuntu
Importance: Undecided
Status: New
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Touchscreen is detected at boot and is posted on dmesg yet does not work
https://bugs.launchpad.net/bugs/2073906
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