Ubuntu – Lenovo Legion 5 touchpad

lenovotouchpad

I have just bought a new Lenovo Legion 5-15ARH05.

I have a problem with the touchpad. It seems that it's recognized by the system,
however, I cannot move with the cursor. I found out that the left click and the right click works just fine.

I am using 5.8.0-050800-generic kernel and Synaptics package.

This is my xinput

$ xinput
⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Logitech Wireless Mouse                   id=11   [slave  pointer  (2)]
⎜   ↳ ITE Tech. Inc. ITE Device(8910) Consumer Control  id=13   [slave  pointer  (2)]
⎜   ↳ MSFT0001:00 06CB:7F28 Mouse               id=16   [slave  pointer  (2)]
⎜   ↳ MSFT0001:00 06CB:7F28 Touchpad            id=17   [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)]
    ↳ Video Bus                                 id=8    [slave  keyboard (3)]
    ↳ Power Button                              id=9    [slave  keyboard (3)]
    ↳ Integrated Camera: Integrated C           id=10   [slave  keyboard (3)]
    ↳ Ideapad extra buttons                     id=15   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=18   [slave  keyboard (3)]
    ↳ ITE Tech. Inc. ITE Device(8910) Keyboard  id=12   [slave  keyboard (3)]
    ↳ ITE Tech. Inc. ITE Device(8910) Wireless Radio Control    id=14   [slave  keyboard (3)]

and by listing props I get

$ xinput --list-props 17
Device 'MSFT0001:00 06CB:7F28 Touchpad':
    Device Enabled (142):   1
    Coordinate Transformation Matrix (144): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    Device Accel Profile (274): 1
    Device Accel Constant Deceleration (275):   2.500000
    Device Accel Adaptive Deceleration (276):   1.000000
    Device Accel Velocity Scaling (277):    12.500000
    Synaptics Edges (300):  48, 1176, 43, 761
    Synaptics Finger (301): 25, 30, 0
    Synaptics Tap Time (302):   180
    Synaptics Tap Move (303):   64
    Synaptics Tap Durations (304):  180, 180, 100
    Synaptics ClickPad (305):   1
    Synaptics Middle Button Timeout (306):  0
    Synaptics Two-Finger Pressure (307):    282
    Synaptics Two-Finger Width (308):   7
    Synaptics Scrolling Distance (309): 29, 29
    Synaptics Edge Scrolling (310): 1, 0, 0
    Synaptics Two-Finger Scrolling (311):   1, 0
    Synaptics Move Speed (312): 1.000000, 1.750000, 0.136612, 0.000000
    Synaptics Off (313):    0
    Synaptics Locked Drags (314):   0
    Synaptics Locked Drags Timeout (315):   5000
    Synaptics Tap Action (316): 2, 3, 0, 0, 1, 3, 0
    Synaptics Click Action (317):   1, 3, 0
    Synaptics Circular Scrolling (318): 0
    Synaptics Circular Scrolling Distance (319):    0.100000
    Synaptics Circular Scrolling Trigger (320): 0
    Synaptics Circular Pad (321):   0
    Synaptics Palm Detection (322): 0
    Synaptics Palm Dimensions (323):    10, 200
    Synaptics Coasting Speed (324): 20.000000, 50.000000
    Synaptics Pressure Motion (325):    30, 160
    Synaptics Pressure Motion Factor (326): 1.000000, 1.000000
    Synaptics Resolution Detect (327):  1
    Synaptics Grab Event Device (328):  0
    Synaptics Gestures (329):   1
    Synaptics Capabilities (330):   1, 0, 0, 1, 1, 0, 0
    Synaptics Pad Resolution (331): 12, 12
    Synaptics Area (332):   0, 0, 0, 0
    Synaptics Soft Button Areas (333):  612, 0, 659, 0, 0, 0, 0, 0
    Synaptics Noise Cancellation (334): 7, 7
    Device Product ID (262):    1739, 32552
    Device Node (263):  "/dev/input/event18"

The touchpad itself works in windows and when I disable hid-multitouch in Linux I can
get it working, but the cursor is moving in absolute coordinates so it's unusable.

If someone has an idea how to solve it I would really appreciate it.
On the internet I found some threads describing a similar problem, but
they don't talk about how the clicking is working and other stuff.
One lead might be that supposedly from kernel 5.4 it stopped working,
however, I cannot test it.

I am not able to boot 5.3. But I booted 5.0 and it did not work.

Best Answer

did you try libsynaptics? https://wiki.archlinux.org/index.php/Touchpad_Synaptics I'm no expert but these drivers are not maintained anymore and sometimes provide people with better trackpad support still

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To get your synclient settings to stick you can add them to xorg.conf. I did this recently for my macbook pro in 12.10 and it works pretty well.

You can also specify a separate configuration file in /etc/X11/xorg.conf.d/ file to keep things neater. Here's a step by step:

Create /etc/X11/xorg.conf.d (if it doesn't already exist)

sudo mkdir /etc/X11/xorg.conf.d
Create and edit /etc/X11/xorg.conf.d/10-synaptics.conf

gksudo gedit /etc/X11/xorg.conf.d/10-synaptics.conf

Make it look like the following:

#Sample /etc/X11/xorg.conf.d/10-synaptics.conf
Section "InputClass"
  Identifier "touchpad catchall"
  Driver "synaptics"
  MatchDevicePath "/dev/input/event*"
  MatchIsTouchpad "true"
  Option  "SHMConfig"           "true"
  Option  "TapButton1"          "1"
  Option  "TapButton2"          "2"
  Option  "TapButton3"          "3"
EndSection

Save and logout/login again. If the xserver fails to load and you get forced into low graphics mode then edit the file again and comment everything out, or mv /etc/X11/xorg.conf.d/10-synaptics.conf ~/10-synaptics.conf.backup and reload again to get back to normal.

For posterity, my current setup for my macbook pro 2012 13" is as follows (warning, I like my touchpad rather sensitive). Try any of these options using synclient before putting them into xorg.conf!

Section "InputClass"
      Identifier "touchpad catchall"
      Driver "synaptics"
      MatchIsTouchpad "on"
      MatchDevicePath "/dev/input/event*"
      MatchProduct "bcm5974"
      MatchIsTouchpad "true"
      Option  "SHMConfig"           "true"
      Option  "FastTaps"            "1"
      Option  "MaxDoubleTapTime"    "100"
      Option  "BottomEdge"          "6000"
      Option  "FingerLow"           "60"
      Option  "FingerHigh"          "90"
      Option         "ClickFinger3" "2"
#      Option         "FingerLow"             "30"
#      Option         "FingerHigh"            "80"
      Option         "VertTwoFingerScroll" "1"
      Option         "HorizTwoFingerScroll" "1"
      Option         "VertScrollDelta" "100"
      Option         "HorizScrollDelta" "100"
      Option         "MultiFingerButton" "2"
      #Option         "TapButton1" "1"
      Option         "TapButton2" "3"
      Option         "TapButton3" "2"
      Option         "MinSpeed" "1"
      Option         "MaxSpeed" "2"
      Option         "AccelFactor" "0.01"
#      Option         "AreaBottomEdge" "5000"
EndSection

Ubuntu – How to config Trackpoint + Synaptics touchpad only enable clicks on Linux (Ubuntu)

Well, this is not the direct answer, but a suggestion and examples. If you run xinput, you will get list of your devices. Then run xinput list-props $id where $id is your touchpad id in the list.

You will have a list of options like this:

$ xinput list-props 13
Device 'SynPS/2 Synaptics TouchPad':
    Device Enabled (135):   1
    Coordinate Transformation Matrix (137): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    Device Accel Profile (268): 1
    Device Accel Constant Deceleration (269):   2.500000
    Device Accel Adaptive Deceleration (270):   1.000000
    Device Accel Velocity Scaling (271):    12.500000
    Synaptics Edges (292):  1765, 5371, 1637, 4453
    Synaptics Finger (293): 25, 30, 0
    Synaptics Tap Time (294):   180
    Synaptics Tap Move (295):   234
    Synaptics Tap Durations (296):  180, 180, 100
    Synaptics ClickPad (297):   1
    [...]

You can change all of these on-the-fly with xinput set-prop $id $propId $value where $id is the device id, $propId is property id in brackets and $value is what you want it to be. For example:

xinput set-prop 13 135 0 sets Device Enabled (135) to 0 and this will disable the touchpad.

You will need descriptions of properties and a way to make your changes permanent. Descriptions can be found in man synaptics, but wait, they are in another cryptic format! Let's see why.

To make changes permanent, you need to create conf file in /etc/X11/xorg.conf.d, for example 30-tochpad.conf with contents like these:

    Section "InputClass"  # you can read more in `man xorg`
            Identifier "all touchpads"  # just a name for this config
            MatchIsTouchpad "on"  # enables this config for all detected touchpads
            Driver "synaptics"  # enables synaptics-specific options below

            # This will disable the device
            #Option "Ignore" "1"

            # There are options that are generic for input-devices or mouse-like devices, see `man evdev`:
            Option "ButtonMapping" "0 0 0 0 0 0 0"  # i disabled all buttons here, for example

            # Here go options from `man synaptics`
            Option "VertTwoFingerScroll" "1"
            Option "HorizTwoFingerScroll" "1"
            Option "PalmDetect" "1"
            Option "ClickPad" "0"                
            # ...etc...
    EndSection

So, man synaptics describes options for xorg.conf and tells how they correspond to xinput list-props output.

PS. I tried to configure trackpoint on my ThinkPad X220 to have only two-fingers-scroll enabled, without clicks or mouse movement. I failed. Maybe you will manage to do what you want (there was an option to disable everything but clicks, maybe Synaptics Off).

Sources, more examples and unicorns:

https://wiki.ubuntu.com/X/Config/Input

https://wiki.archlinux.org/index.php/Touchpad_Synaptics

Best Answer

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