Messages in this thread | | | From | Dmitry Torokhov <> | Subject | Re: [PATCH] forced recalibration for the OLPC hgpk touchpad | Date | Wed, 3 Jun 2009 08:04:57 -0700 |
| |
Hi Paul,
On Tuesday 02 June 2009 12:47:59 pgf@laptop.org wrote: > The OLPC XO laptop incorporates a combination touchpad/tablet > device which unfortunately requires frequent recalibration. The > driver will force this automatically when various suspicious > behaviors are observed, and the user can recalibrate manually > (with a special keyboard sequence). There's currently no way, > however, for an external program to cause recalibration. > > This patch creates a new node in /sys which, when written with '1', > will force a touchpad recalibration. No other writes (or reads) > of this node are supported. >
Instead of creating a new sysfs attribute maybe we should make the touchpad recalibrate upon resume (reconnect)? Userspace can already request reconnect via sysfs.
-- Dmitry
| |