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[solved]How do I configure my touchpad correctly?
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hc1997
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Joined: 24 Jul 2019
Posts: 2

PostPosted: Wed Jul 24, 2019 3:51 am    Post subject: [solved]How do I configure my touchpad correctly? Reply with quote

I haven't instaIled a DE but I have installed i3wm.I don't know my touchpad's name.But I can use it with a finger.Using two fingers or three fingers has the same effect as one finger.I want to use two fingers to scroll , just like in most Linux distributioln.

here is the output of my touchpad information.
Code:
$ cat /proc/bus/input/devices | grep -i syna -B 1 -A 7
I: Bus=0018 Vendor=06cb Product=cd5f Version=0100
N: Name="SYNA2B46:00 06CB:CD5F Mouse"
P: Phys=i2c-SYNA2B46:00
S: Sysfs=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-SYNA2B46:00/0018:06CB:CD5F.0002/input/input14
U: Uniq=
H: Handlers=event14
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=cd5f Version=0100
N: Name="SYNA2B46:00 06CB:CD5F Touchpad"
P: Phys=i2c-SYNA2B46:00
S: Sysfs=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-SYNA2B46:00/0018:06CB:CD5F.0002/input/input15
U: Uniq=
H: Handlers=event15
B: PROP=0
B: EV=1b
B: KEY=400 7 0 0 0 0
B: ABS=10000000003
B: MSC=10

and here is the output in my xorg.0.log
Code:
$ cat /var/log/Xorg.0.log| grep -i 'syna' -A 5 -B 5
[   732.584] (**)  USB OPTICAL MOUSE: (accel) selected scheme none/0
[   732.584] (**)  USB OPTICAL MOUSE: (accel) acceleration factor: 2.000
[   732.584] (**)  USB OPTICAL MOUSE: (accel) acceleration threshold: 4
[   732.639] (II) event13 -  USB OPTICAL MOUSE: is tagged by udev as: Mouse
[   732.639] (II) event13 -  USB OPTICAL MOUSE: device is a pointer
[   732.640] (II) config/udev: Adding input device SYNA2B46:00 06CB:CD5F Mouse (/dev/input/event14)
[   732.640] (**) SYNA2B46:00 06CB:CD5F Mouse: Applying InputClass "evdev pointer catchall"
[   732.640] (**) SYNA2B46:00 06CB:CD5F Mouse: Applying InputClass "libinput pointer catchall"
[   732.640] (**) SYNA2B46:00 06CB:CD5F Mouse: Applying InputClass "libinput pointer catchall"
[   732.640] (II) Using input driver 'libinput' for 'SYNA2B46:00 06CB:CD5F Mouse'
[   732.640] (**) SYNA2B46:00 06CB:CD5F Mouse: always reports core events
[   732.640] (**) Option "Device" "/dev/input/event14"
[   732.640] (**) Option "_source" "server/udev"
[   732.642] (II) event14 - SYNA2B46:00 06CB:CD5F Mouse: is tagged by udev as: Mouse
[   732.642] (II) event14 - SYNA2B46:00 06CB:CD5F Mouse: device is a pointer
[   732.642] (II) event14 - SYNA2B46:00 06CB:CD5F Mouse: device removed
[   732.659] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-SYNA2B46:00/0018:06CB:CD5F.0002/input/input14/event14"
[   732.659] (II) XINPUT: Adding extended input device "SYNA2B46:00 06CB:CD5F Mouse" (type: MOUSE, id 11)
[   732.659] (**) Option "AccelerationScheme" "none"
[   732.659] (**) SYNA2B46:00 06CB:CD5F Mouse: (accel) selected scheme none/0
[   732.659] (**) SYNA2B46:00 06CB:CD5F Mouse: (accel) acceleration factor: 2.000
[   732.659] (**) SYNA2B46:00 06CB:CD5F Mouse: (accel) acceleration threshold: 4
[   732.661] (II) event14 - SYNA2B46:00 06CB:CD5F Mouse: is tagged by udev as: Mouse
[   732.661] (II) event14 - SYNA2B46:00 06CB:CD5F Mouse: device is a pointer
[   732.662] (II) config/udev: Adding input device SYNA2B46:00 06CB:CD5F Touchpad (/dev/input/event15)
[   732.662] (**) SYNA2B46:00 06CB:CD5F Touchpad: Applying InputClass "evdev touchscreen catchall"
[   732.662] (**) SYNA2B46:00 06CB:CD5F Touchpad: Applying InputClass "libinput touchscreen catchall"
[   732.662] (**) SYNA2B46:00 06CB:CD5F Touchpad: Applying InputClass "libinput touchscreen catchall"
[   732.662] (II) Using input driver 'libinput' for 'SYNA2B46:00 06CB:CD5F Touchpad'
[   732.662] (**) SYNA2B46:00 06CB:CD5F Touchpad: always reports core events
[   732.662] (**) Option "Device" "/dev/input/event15"
[   732.662] (**) Option "_source" "server/udev"
[   732.663] (II) event15 - SYNA2B46:00 06CB:CD5F Touchpad: is tagged by udev as: Touchscreen
[   732.663] (II) event15 - SYNA2B46:00 06CB:CD5F Touchpad: device is a touch device
[   732.664] (II) event15 - SYNA2B46:00 06CB:CD5F Touchpad: device removed
[   732.683] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-SYNA2B46:00/0018:06CB:CD5F.0002/input/input15/event15"
[   732.683] (II) XINPUT: Adding extended input device "SYNA2B46:00 06CB:CD5F Touchpad" (type: TOUCHSCREEN, id 12)
[   732.683] (**) Option "AccelerationScheme" "none"
[   732.683] (**) SYNA2B46:00 06CB:CD5F Touchpad: (accel) selected scheme none/0
[   732.683] (**) SYNA2B46:00 06CB:CD5F Touchpad: (accel) acceleration factor: 2.000
[   732.683] (**) SYNA2B46:00 06CB:CD5F Touchpad: (accel) acceleration threshold: 4
[   732.685] (II) event15 - SYNA2B46:00 06CB:CD5F Touchpad: is tagged by udev as: Touchscreen
[   732.685] (II) event15 - SYNA2B46:00 06CB:CD5F Touchpad: device is a touch device
[   732.685] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=8 (/dev/input/event10)
[   732.685] (II) No input driver specified, ignoring this device.
[   732.685] (II) This device may have been added with another device file.
[   732.686] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=9 (/dev/input/event11)
[   732.686] (II) No input driver specified, ignoring this device.

The result of synclient:
Code:
$ synclient
Couldn't find synaptics properties. No synaptics driver loaded?


Besides,I don't know what shall I fill in the INPUT_DEVICES,I've tried "libinput evdev synaptics"

btw,I modprobe i2c_designware_core,i2c_designware_platform,intel_lpss_pci and intel_lpss.If all the four modules are inserted,then touchpad with one finger can work well,as well as the two mouse buttons below touchpad


Last edited by hc1997 on Wed Jul 24, 2019 5:03 am; edited 1 time in total
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hc1997
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Joined: 24 Jul 2019
Posts: 2

PostPosted: Wed Jul 24, 2019 5:02 am    Post subject: Reply with quote

I solved it myself :lol:
I recompiled my kernel,and add some configurations (though I don't know which one took effect):
Code:
$ sudo make menuconfig
CONFIG_MOUSE_PS2_SYNAPTICS
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
CONFIG_HID_MULTITOUCH

probably the last one,because I remember the first two are in my original configuration
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charles17
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Joined: 02 Mar 2008
Posts: 2660

PostPosted: Wed Jul 24, 2019 7:37 am    Post subject: Re: [solved]How do I configure my touchpad correctly? Reply with quote

hc1997 wrote:
Besides,I don't know what shall I fill in the INPUT_DEVICES,I've tried "libinput evdev synaptics"

Remove evdev, see https://wiki.gentoo.org/wiki/Libinput.
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