The pointingstick of the Dell Latitude E6400 is somewhat slow by default, whereas the pointingstick of the Dell Latitude D620 is much too fast by default, set POINTINGSTICK_CONST_ACCEL for both of them to adjust for this.
1f84512 hwdb: Add entries for the pointingstick on 2 Dell Latitudes
hwdb/70-pointingstick.hwdb | 12 ++++++++++++
1 file changed, 12 insertions(+)
Upstream: github.com