On Tue, Apr 07, 2015 at 11:37:09AM +0200, Hans de Goede wrote:
> Hi,
> 
> On 07-04-15 07:07, Peter Hutterer wrote:
> >On Fri, Apr 03, 2015 at 04:11:59PM +0200, Hans de Goede wrote:
> >>Lenovo has changed the sensitity of the trackpoint on the x240 / T440s / 
> >>T540
> >
> >s/sensitity/sensitivity/
> >
> >>generation of Thinkpads, making them somewhat unsensitive by default, add a
> >
> >I think it's "insensitive", not unsensitive.
> >
> >>hwdb entry to tweak the sensitivity setting.
> >>
> >>The ThinkPad X200s is way way too slow by default and unless you push the
> >>trackpoint quite hard only sends delta events in the 1-2 range, tweak the
> >>sensitivity to make it send a wider range of deltas and apply a const accel
> >>factor to make it have a more reasonable speed by default.
> >>---
> >>  hwdb/70-pointingstick.hwdb | 14 ++++++++++++++
> >>  1 file changed, 14 insertions(+)
> >>
> >>diff --git a/hwdb/70-pointingstick.hwdb b/hwdb/70-pointingstick.hwdb
> >>index d92434e..ea53019 100644
> >>--- a/hwdb/70-pointingstick.hwdb
> >>+++ b/hwdb/70-pointingstick.hwdb
> >>@@ -68,3 +68,17 @@
> >>
> >>  #
> >>  # Sort by by brand, model
> >>+
> >>+#########################################
> >>+# Lenovo
> >>+#########################################
> >>+
> >>+# Lenovo Thinkpad X200s
> >>+pointingstick:name:TPPS/2 IBM 
> >>TrackPoint:dmi:bvn*:bvr*:bd*:svnLENOVO:pn*:pvrThinkPadX200s:*
> >>+  POINTINGSTICK_SENSITIVITY=200
> >>+  POINTINGSTICK_CONST_ACCEL=1.5
> >>+
> >>+# Lenovo Thinkpad T440s
> >>+pointingstick:name:TPPS/2 IBM 
> >>TrackPoint:dmi:bvn*:bvr*:bd*:svnLENOVO:pn*:pvrThinkPadT440s:*
> >
> >this only catches the T440s, shouldn't we add the 240 and 540 as well then?
> 
> Yes and probably also the x1 from the same generation, etc. The problems are:
> 
> 1) Do we want to enable this on all without even a smoke-test ?
> 2) We need to have the DMI strings for these to add entries (I'm pretty sure 
> we've those in
> some old bugs / patches)
> 
> Tonight I should be able to loan an x240 for a few hours then I'll test to 
> see if it indeed too
> is too insensitive by default (according to the interwebs it is) and add an 
> entry for it too.

I'd say if the t440 and the x240 are both affected, the t540 will be too so we
can add this untested.

Cheers,
   Peter
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