LP#317270 -- fix Synaptics touchpad resume
On Tue, Feb 10, 2009 at 09:20:50AM -0700, Tim Gardner wrote:
> Andy Whitcroft wrote:
> > Some systems with newer Synaptics touchpads have been exhibiting total
> > touchpad failure following resume on Linux, but functioning correctly on
> > other OSs. Serial analysis has shown that this is caused by a lack of
> > a device reset on resume in Linux. The following patch adds this reset
> > to the Synaptics driver.
> > It is expected that this should be safe for all Synaptics devices old and
> > new as the other OSs have always used this method of reset. Therefore we
> > enable this new functionality by default. We also provide a new module
> > option to disable it, and hint as to its name in the dmesg, should anyone
> > see issues. By enabling this now for the beta cycle we should have time
> > to shake out any regressions this might cause.
> > -apw
> > Andy Whitcroft (1):
> > UBUNTU: SAUCE: psmouse/synaptics: ensure we reset the device on
> > resume
> > drivers/input/mouse/synaptics.c | 10 ++++++++++
> > 1 files changed, 10 insertions(+), 0 deletions(-)
> ACK - its a bit surprising that upstream has not encountered this issue.
> Do you plan to submit this as a stable update?
Yes I am supprised a little about that too. Will be pushing this
upstream for sure.
kernel-team mailing list