FWIW it's not placebo, it's why I always immediately notice when starting up a new ThinkPad sample from lenovo if RMI4 is enabled or not :). Anyway thank you for the patch, assuming you double-checked that clicking with the clickpad still works (I made this mistake last time when trying to enable this for the second generation X1 extreme): Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx> On Fri, 2020-07-03 at 17:34 +0300, K900 wrote: > From: Ilya Katsnelson <me@xxxxxxxx> > > Tested on my own laptop, touchpad feels slightly more responsive with > this on, though it might just be placebo. > > Signed-off-by: Ilya Katsnelson <me@xxxxxxxx> > --- > drivers/input/mouse/synaptics.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c > index 758dae8d6500..4b81b2d0fe06 100644 > --- a/drivers/input/mouse/synaptics.c > +++ b/drivers/input/mouse/synaptics.c > @@ -179,6 +179,7 @@ static const char * const smbus_pnp_ids[] = { > "LEN0093", /* T480 */ > "LEN0096", /* X280 */ > "LEN0097", /* X280 -> ALPS trackpoint */ > + "LEN0099", /* X1 Extreme 1st */ > "LEN009b", /* T580 */ > "LEN200f", /* T450s */ > "LEN2044", /* L470 */