On 05/16/2012 07:49 AM, Chase Douglas wrote: > The open slots array is used for clickpad cumulative delta computation. > If the array is not reset and becomes corrupted during the device > disable/enable cycle, the cumulative deltas may be wrong. This manifests > as jumpy cursor behavior on some clickpads after suspend/resume. > > Signed-off-by: Chase Douglas <[email protected]> > --- > src/synaptics.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/src/synaptics.c b/src/synaptics.c > index 77eb5be..cc76c76 100644 > --- a/src/synaptics.c > +++ b/src/synaptics.c > @@ -1104,6 +1104,7 @@ SynapticsReset(SynapticsPrivate *priv) > priv->lastButtons = 0; > priv->prev_z = 0; > priv->prevFingers = 0; > + memset(priv->open_slots, 0, priv->num_slots * sizeof(int)); > }
When this is backported to the 1.6 branch, it will need to be guarded by #ifdef HAVE_MULTITOUCH. -- Chase _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
