I need to find out which touchpad driver is being used on my laptop running Ubuntu 16.04 so I can replace the one that comes with Ubuntu 18.04 (which is not working well).

I've tried lshw which lists hardware information but there is nothing about a touchpad I can see.

I've tried lspci and again nothing about a touchpad.

I've tried xpinput list which gives:

Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ DLL0665:01 06CB:76AD Touchpad id=11 [slave pointer (2)]

but what does that mean? Is DLL0665:01 a driver?

I was expecting either libinput or synaptics to be listed somewhere as these names keep coming up when I search for linux touchpad drivers.

EDIT

As suggested, I've tried lsmod but no synaptics or libinput listed. I also tried lsmod | grep hid which gives:

hid_multitouch 20480 0
intel_hid 16384 0
sparse_keymap 16384 3 dell_wmi,intel_hid,intel_vbtn
mac_hid 16384 0
i2c_hid 20480 0
hid 118784 2 i2c_hid,hid_multitouch

6

1 Answer

Run

xinput list-props 11

and you will see which userspace driver is used (libinput, or synaptics).

11 is the touchpad id from xinput list.

It was not quite clear which driver are you asking about: kernel or userspace.

6

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