Skip to content

Instantly share code, notes, and snippets.

@j-c-cook

j-c-cook/notes.md

Last active April 1, 2023 02:44
Show Gist options
  • Save j-c-cook/79af2c06ab8aa867f8f045e004b773e4 to your computer and use it in GitHub Desktop.
Save j-c-cook/79af2c06ab8aa867f8f045e004b773e4 to your computer and use it in GitHub Desktop.
Download ZIP
Dell Precision 5560 occasional touch pad lag
Raw
notes.md

Dell Precision 5560 occasional touch pad lag

Locate the driver: https://unix.stackexchange.com/a/131447

$ cat /proc/bus/input/devices
...
I: Bus=0018 Vendor=04f3 Product=311c Version=0100
N: Name="DLL0945:00 04F3:311C Touchpad"
P: Phys=i2c-DLL0945:00
S: Sysfs=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-2/i2c-DLL0945:00/0018:04F3:311C.0002/input/input23
U: Uniq=
H: Handlers=mouse2 event14 
B: PROP=5
B: EV=1b
B: KEY=e520 10000 0 0 0 0
B: ABS=2e0800000000003
B: MSC=20
...

The touch pad seems to be driven by libinput:

$ ls -1 /usr/share/X11/xorg.conf.d/
10-amdgpu.conf
10-nvidia.conf
10-quirks.conf
10-radeon.conf
11-nvidia-prime.conf
40-libinput.conf
70-wacom.conf

Prevously, developers have discussed this topic on the libinput issue board:

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment