diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index ee5466a374bf..a246fc686bb7 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -1280,6 +1280,16 @@ static void set_input_params(struct psmouse *psmouse, INPUT_MT_POINTER | (cr48_profile_sensor ? INPUT_MT_TRACK : INPUT_MT_SEMI_MT)); + + /* + * For semi-mt devices we send ABS_X/Y ourselves instead of + * input_mt_report_pointer_emulation. But + * input_mt_init_slots() resets the fuzz to 0, leading to a + * filtered ABS_MT_POSITION_X but an unfiltered ABS_X + * position. Let's re-initialize ABS_X/Y here. + */ + if (!cr48_profile_sensor) + set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y); } if (SYN_CAP_PALMDETECT(info->capabilities))