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psm(4): do not process gestures when palm is present

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Ignoring of gesture processing when the palm is detected helps to reduce
some of the erratic pointer behavior.

This fixes regression introduced in r317814

Reported by:	Ben LeMasurier <ben@crypt.ly>
MFC after:	2 weeks
This commit is contained in:
Vladimir Kondratyev 2019-04-20 21:02:41 +00:00
parent 232e4318b0
commit 51319286ed
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=346456
1 changed files with 16 additions and 9 deletions
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25
sys/dev/atkbdc/psm.c
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@ -3214,7 +3214,7 @@ proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms,
static int guest_buttons;
static int ew_finger_count;
static finger_t f[PSM_FINGERS];
int w, id, nfingers, ewcode, extended_buttons, clickpad_pressed;
int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed;
extended_buttons = 0;
@ -3577,12 +3577,16 @@ proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms,
ms->button = touchpad_buttons;
psmgestures(sc, &f[0], nfingers, ms);
palm = psmpalmdetect(sc, &f[0], nfingers);
/* Palm detection doesn't terminate the current action. */
if (!palm)
psmgestures(sc, &f[0], nfingers, ms);
for (id = 0; id < PSM_FINGERS; id++)
psmsmoother(sc, &f[id], id, ms, x, y);
/* Palm detection doesn't terminate the current action. */
if (psmpalmdetect(sc, &f[0], nfingers)) {
if (palm) {
*x = *y = *z = 0;
ms->button = ms->obutton;
return (0);
@ -4324,7 +4328,7 @@ proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms,
{
static int touchpad_button, trackpoint_button;
finger_t fn, f[ELANTECH_MAX_FINGERS];
int pkt, id, scale, i, nfingers, mask;
int pkt, id, scale, i, nfingers, mask, palm;
if (!elantech_support)
return (0);
@ -4713,10 +4717,14 @@ proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms,
ms->button = touchpad_button | trackpoint_button;
/* Palm detection doesn't terminate the current action. */
palm = psmpalmdetect(sc, &f[0], nfingers);
/* Send finger 1 position to gesture processor */
if (PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) ||
nfingers == 0)
if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) ||
nfingers == 0) && !palm)
psmgestures(sc, &f[0], imin(nfingers, 3), ms);
/* Send fingers positions to movement smoothers */
for (id = 0; id < PSM_FINGERS; id++)
if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id)))
@ -4731,8 +4739,7 @@ proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms,
}
sc->elanaction.mask = mask;
/* Palm detection doesn't terminate the current action. */
if (psmpalmdetect(sc, &f[0], nfingers)) {
if (palm) {
*x = *y = *z = 0;
ms->button = ms->obutton;
return (0);