The Lenovo X230 advertize a vertical resolution of 136, which gives a true size of 31 mm. The actual physical size of the touchpad is 40 mm, so override the resolution to 100.
a58223d hwdb: add evdev entry for the Lenovo X230 series touchpad
hwdb/60-evdev.hwdb | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
Upstream: github.com