Hi,
On 18-05-16 09:00, Peter Hutterer wrote:
This was introduced for bug 94379 - an X1 Carbon 3rd. Other touchpads have
different pressure change ranges, causing this condition to trigger
randomly and resulting in a jerky pointer motion.
For now, reduce the check to the *50 and *60 series touchpads until we have
data for more touchpads that we can add one-by-one.
https://bugs.freedesktop.org/show_bug.cgi?id=95393
Signed-off-by: Peter Hutterer <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Regards,
Hans
---
src/evdev-mt-touchpad.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 4c8c3a3..c854043 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -928,6 +928,7 @@ tp_detect_jumps(const struct tp_dispatch *tp, struct
tp_touch *t)
static void
tp_process_state(struct tp_dispatch *tp, uint64_t time)
{
+ struct evdev_device *device = tp->device;
struct tp_touch *t;
unsigned int i;
bool restart_filter = false;
@@ -953,7 +954,8 @@ tp_process_state(struct tp_dispatch *tp, uint64_t time)
if (!t->dirty)
continue;
- if (t->pressure_delta < -7)
+ if ((device->model_flags & EVDEV_MODEL_LENOVO_T450_TOUCHPAD) &&
+ t->pressure_delta < -7)
tp_motion_history_reset(t);
if (tp_detect_jumps(tp, t)) {
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