Re: [PATCH] touchpad: reset motion history when nfingers changes on semi-mt pads

2014-07-23 Thread Hans de Goede
Hi, On 07/23/2014 07:58 AM, Peter Hutterer wrote: On Tue, Jul 22, 2014 at 09:18:26AM +0200, Hans de Goede wrote: Hi, On 07/22/2014 01:34 AM, Peter Hutterer wrote: On Mon, Jul 21, 2014 at 03:25:47PM +0200, Hans de Goede wrote: On semi-mt touchpads the reported position of the first finger

Re: [PATCH] touchpad: reset motion history when nfingers changes on semi-mt pads

2014-07-22 Thread Hans de Goede
Hi, On 07/22/2014 01:34 AM, Peter Hutterer wrote: On Mon, Jul 21, 2014 at 03:25:47PM +0200, Hans de Goede wrote: On semi-mt touchpads the reported position of the first finger down may jump when the pad switches from st to mt mode. When this happens a large delta gets seen on the first finger

Re: [PATCH] touchpad: reset motion history when nfingers changes on semi-mt pads

2014-07-22 Thread Peter Hutterer
On Tue, Jul 22, 2014 at 09:18:26AM +0200, Hans de Goede wrote: Hi, On 07/22/2014 01:34 AM, Peter Hutterer wrote: On Mon, Jul 21, 2014 at 03:25:47PM +0200, Hans de Goede wrote: On semi-mt touchpads the reported position of the first finger down may jump when the pad switches from st to mt

[PATCH] touchpad: reset motion history when nfingers changes on semi-mt pads

2014-07-21 Thread Hans de Goede
On semi-mt touchpads the reported position of the first finger down may jump when the pad switches from st to mt mode. When this happens a large delta gets seen on the first finger at the same time the second fingers is first seen down, causing a spurious 2 finger scroll event. Reset the motion

Re: [PATCH] touchpad: reset motion history when nfingers changes on semi-mt pads

2014-07-21 Thread Peter Hutterer
On Mon, Jul 21, 2014 at 03:25:47PM +0200, Hans de Goede wrote: On semi-mt touchpads the reported position of the first finger down may jump when the pad switches from st to mt mode. When this happens a large delta gets seen on the first finger at the same time the second fingers is first seen