Although most other issues are solved there is still no multitouch for
this device with kernel v5.15 and xserver-xorg 1.20.13-1ubuntu1 using
Kubuntu 21.10.
# xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Asus TouchPad id=10 [slave pointer (2)]
⎜ ↳ SYNAPTICS Synaptics Touch Digitizer V04 Mouse id=15 [slave pointer
(2)]
⎜ ↳ SYNAPTICS Synaptics Touch Digitizer V04 id=16 [slave pointer (2)]
⎜ ↳ BT5.0 Mouse id=20 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Asus Wireless Radio Control id=7 [slave keyboard (3)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ ASUS T300CHI DOCKING id=11 [slave keyboard (3)]
↳ ASUS T300CHI DOCKING id=12 [slave keyboard (3)]
↳ ASUS T300CHI DOCKING id=13 [slave keyboard (3)]
↳ USB2.0 HD UVC WebCam: USB2.0 HD id=14 [slave keyboard (3)]
↳ SYNAPTICS Synaptics Touch Digitizer V04 Stylus id=17 [slave
keyboard (3)]
↳ Asus WMI hotkeys id=18 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=19 [slave keyboard (3)]
# for id in {15..17}; do xinput --list $id; done
SYNAPTICS Synaptics Touch Digitizer V04 Mouse id=15 [slave pointer (2)]
Reporting 7 classes:
Class originated from: 15. Type: XIButtonClass
Buttons supported: 7
Button labels: "Button Left" "Button Middle" "Button Right"
"Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz
Wheel Right"
Button state:
Class originated from: 15. Type: XIValuatorClass
Detail for Valuator 0:
Label: Rel X
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 15. Type: XIValuatorClass
Detail for Valuator 1:
Label: Rel Y
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 15. Type: XIValuatorClass
Detail for Valuator 2:
Label: Rel Horiz Scroll
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 15. Type: XIValuatorClass
Detail for Valuator 3:
Label: Rel Vert Scroll
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 15. Type: XIScrollClass
Scroll info for Valuator 2
type: 2 (horizontal)
increment: 15.000000
flags: 0x0
Class originated from: 15. Type: XIScrollClass
Scroll info for Valuator 3
type: 1 (vertical)
increment: 15.000000
flags: 0x0
SYNAPTICS Synaptics Touch Digitizer V04 id=16 [slave pointer (2)]
Reporting 6 classes:
Class originated from: 16. Type: XIButtonClass
Buttons supported: 7
Button labels: "Button Left" "Button Middle" "Button Right"
"Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz
Wheel Right"
Button state:
Class originated from: 16. Type: XIValuatorClass
Detail for Valuator 0:
Label: Abs MT Position X
Range: 0.000000 - 65535.000000
Resolution: 0 units/m
Mode: absolute
Current value: 44291.812165
Class originated from: 16. Type: XIValuatorClass
Detail for Valuator 1:
Label: Abs MT Position Y
Range: 0.000000 - 65535.000000
Resolution: 0 units/m
Mode: absolute
Current value: 39378.849306
Class originated from: 16. Type: XIValuatorClass
Detail for Valuator 2:
Label: Rel Horiz Scroll
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 16. Type: XIValuatorClass
Detail for Valuator 3:
Label: Rel Vert Scroll
Range: -1.000000 - -1.000000
Resolution: 0 units/m
Mode: relative
Class originated from: 16. Type: XITouchClass
Touch mode: direct
Max number of touches: 10
SYNAPTICS Synaptics Touch Digitizer V04 Stylus id=17 [slave keyboard (3)]
Reporting 0 classes:
I'm attaching /var/log/Xorg.0.log separately
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1574341
Title:
[Asus T300 CHI] Synaptics Touch Digitizer V04 - no multitouch
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Triaged
Status in xinput package in Ubuntu:
Triaged
Bug description:
This is a related but separate issue to bug #1480673 "Asus T300 CHI
bluetooth Touchpad is recognized incorrectly".
Affecting this digitizer is also bug #1574028 "Asus T300 CHI:
touchscreen digitiser missing at boot".
Using 16.04 amd64 Ubuntu (unity).
In this case the USB-attached "Synaptics Touch Digitizer V04" fails to
provide any multitouch functionality.
'evtest' shows multitouch events happening.
$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 06cb:11ef Synaptics, Inc.
Bus 001 Device 005: ID 04f2:b3d5 Chicony Electronics Co., Ltd
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
~$ xinput --list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ ASUS T300CHI DOCKING id=9 [slave pointer (2)]
⎜ ↳ SYNAPTICS Synaptics Touch Digitizer V04 id=11 [slave pointer (2)]
⎜ ↳ SYNAPTICS Synaptics Touch Digitizer V04 Pen id=12 [slave
pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ USB2.0 HD UVC WebCam id=10 [slave keyboard (3)]
↳ Asus WMI hotkeys id=13 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=14 [slave keyboard (3)]
↳ ASUS T300CHI DOCKING id=15 [slave keyboard (3)]
$ ll /sys/bus/hid/drivers/hid-multitouch/
total 0
drwxr-xr-x 2 root root 0 Apr 24 18:12 ./
drwxr-xr-x 4 root root 0 Apr 24 18:12 ../
lrwxrwxrwx 1 root root 0 Apr 24 18:12 0003:06CB:11EF.0003 ->
../../../../devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/0003:06CB:11EF.0003/
--w------- 1 root root 4096 Apr 24 18:12 bind
lrwxrwxrwx 1 root root 0 Apr 24 18:12 module ->
../../../../module/hid_multitouch/
--w------- 1 root root 4096 Apr 24 18:12 new_id
--w------- 1 root root 4096 Apr 24 18:12 uevent
--w------- 1 root root 4096 Apr 24 18:12 unbind
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