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Fix touch on some Samsung devices

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Change-Id: I3e2a67979c60a8e9f37f46f4fb0b0682c56ec95b
This commit is contained in:
Dees_Troy
2013-07-01 20:27:21 +00:00
parent fb903216df
commit d86400b598
1 changed files with 41 additions and 11 deletions
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minuitwrp/events.c
+41 -11
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@@ -331,6 +331,7 @@ static int vk_modify(struct ev *e, struct input_event *ev)
static int discard = 0;
static int lastWasSynReport = 0;
static int touchReleaseOnNextSynReport = 0;
static int use_tracking_id_negative_as_touch_release = 0; // On some devices, type: 3 code: 39 value: -1, aka EV_ABS ABS_MT_TRACKING_ID -1 indicates a true touch release
int i;
int x, y;
@@ -433,23 +434,57 @@ static int vk_modify(struct ev *e, struct input_event *ev)
#endif
break;
#ifdef _EVENT_LOGGING
// All of these items are strictly for logging purposes only. Return 1 because they don't need to be handled.
case ABS_MT_TOUCH_MINOR: //31
if (ev->value == 0) {
e->mt_p.x = 0;
e->mt_p.y = 0;
touchReleaseOnNextSynReport = 1;
}
#ifdef _EVENT_LOGGING
printf("EV: %s => EV_ABS ABS_MT_TOUCH_MINOR %d\n", e->deviceName, ev->value);
return 1;
#endif
break;
case ABS_MT_WIDTH_MAJOR: //32
if (ev->value == 0) {
e->mt_p.x = 0;
e->mt_p.y = 0;
touchReleaseOnNextSynReport = 1;
}
#ifdef _EVENT_LOGGING
printf("EV: %s => EV_ABS ABS_MT_WIDTH_MAJOR %d\n", e->deviceName, ev->value);
return 1;
#endif
break;
case ABS_MT_WIDTH_MINOR: //33
if (ev->value == 0) {
e->mt_p.x = 0;
e->mt_p.y = 0;
touchReleaseOnNextSynReport = 1;
}
#ifdef _EVENT_LOGGING
printf("EV: %s => EV_ABS ABS_MT_WIDTH_MINOR %d\n", e->deviceName, ev->value);
return 1;
#endif
break;
case ABS_MT_TRACKING_ID: //39
if (ev->value < 0) {
e->mt_p.x = 0;
e->mt_p.y = 0;
touchReleaseOnNextSynReport = 2;
use_tracking_id_negative_as_touch_release = 1;
#ifdef _EVENT_LOGGING
if (use_tracking_id_negative_as_touch_release)
printf("using ABS_MT_TRACKING_ID value -1 to indicate touch releases\n");
#endif
}
#ifdef _EVENT_LOGGING
printf("EV: %s => EV_ABS ABS_MT_TRACKING_ID %d\n", e->deviceName, ev->value);
#endif
break;
#ifdef _EVENT_LOGGING
// These are for touch logging purposes only
case ABS_MT_ORIENTATION: //34
printf("EV: %s => EV_ABS ABS_MT_ORIENTATION %d\n", e->deviceName, ev->value);
return 1;
@@ -465,11 +500,6 @@ static int vk_modify(struct ev *e, struct input_event *ev)
return 1;
break;
case ABS_MT_TRACKING_ID: //39
printf("EV: %s => EV_ABS ABS_MT_TRACKING_ID %d\n", e->deviceName, ev->value);
return 1;
break;
case ABS_MT_DISTANCE: //3b
printf("EV: %s => EV_ABS ABS_MT_DISTANCE %d\n", e->deviceName, ev->value);
return 1;
@@ -503,7 +533,7 @@ static int vk_modify(struct ev *e, struct input_event *ev)
// Discard the MT versions
if (ev->code == SYN_MT_REPORT) return 0;
if (lastWasSynReport == 1 || touchReleaseOnNextSynReport == 1)
if (((lastWasSynReport == 1 || touchReleaseOnNextSynReport == 1) && !use_tracking_id_negative_as_touch_release) || (use_tracking_id_negative_as_touch_release && touchReleaseOnNextSynReport == 2))
{
// Reset the value
touchReleaseOnNextSynReport = 0;