The kernel reports that the touchpad for this device can support a different bus. With SMBus enabled the touchpad movement is smoother and three-finger gestures are recognized. Signed-off-by: Jonathan Denose <jdenose@xxxxxxxxxx> --- 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 7a303a9d6bf72..9df0224867649 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -193,6 +193,7 @@ static const char * const smbus_pnp_ids[] = { "SYN3221", /* HP 15-ay000 */ "SYN323d", /* HP Spectre X360 13-w013dx */ "SYN3257", /* HP Envy 13-ad105ng */ + "SYN3015", /* HP EliteBook 840 G2 */ NULL }; -- 2.45.2.1089.g2a221341d9-goog