Ubuntu
xserver-xorg-input-libinput package

  1. Bug #1887190
  2. Comment #98

Comment 98 for bug 1887190

Revision history for this message
Dimitar Kotsev (dimitar-kotsev) wrote :

On my machine the touchpad is recognized and even the click events are registered but moving produces clicking instead of moving the cursor.

Legion 5 15ARH05, kernel Linux 5.8.6-1-MANJARO,

dmesg | grep MSFT
    [ 162.390501] i2c_hid i2c-MSFT0001:00: supply vdd not found, using dummy regulator
    [ 162.390521] i2c_hid i2c-MSFT0001:00: supply vddl not found, using dummy regulator
    [ 162.670737] input: MSFT0001:00 06CB:7F28 Mouse as /devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0003/input/input17
    [ 162.670910] input: MSFT0001:00 06CB:7F28 Touchpad as /devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0003/input/input18
    [ 162.671186] hid-generic 0018:06CB:7F28.0003: input,hidraw2: I2C HID v1.00 Mouse [MSFT0001:00 06CB:7F28] on i2c-MSFT0001:00
    [ 162.813553] input: MSFT0001:00 06CB:7F28 Mouse as /devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0003/input/input20
    [ 162.813965] input: MSFT0001:00 06CB:7F28 Touchpad as /devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0003/input/input21
    [ 162.814182] hid-multitouch 0018:06CB:7F28.0003: input,hidraw2: I2C HID v1.00 Mouse [MSFT0001:00 06CB:7F28] on i2c-MSFT0001:00

cat /proc/bus/input/devices

    I: Bus=0018 Vendor=06cb Product=7f28 Version=0100
    N: Name="MSFT0001:00 06CB:7F28 Mouse"
    P: Phys=i2c-MSFT0001:00
    S: Sysfs=/devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0004/input/input23
    U: Uniq=
    H: Handlers=event12 mouse1
    B: PROP=0
    B: EV=17
    B: KEY=30000 0 0 0 0
    B: REL=3
    B: MSC=10

    I: Bus=0018 Vendor=06cb Product=7f28 Version=0100
    N: Name="MSFT0001:00 06CB:7F28 Touchpad"
    P: Phys=i2c-MSFT0001:00
    S: Sysfs=/devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0004/input/input24
    U: Uniq=
    H: Handlers=event13 mouse2
    B: PROP=5
    B: EV=1b
    B: KEY=e520 10000 0 0 0 0
    B: ABS=2e0800000000003
    B: MSC=20

When `blacklist hid_multitouch` the coursor is moving with absolute coordinates and hangs which makes it unusable.