struct mt_class *mtclass; /* our mt device class */
unsigned last_field_index; /* last field index of the report */
unsigned last_slot_field; /* the last field of a slot */
+ int last_mt_collection; /* last known mt-related collection */
__s8 inputmode; /* InputMode HID feature, -1 if non-existent */
__u8 num_received; /* how many contacts we received */
__u8 num_expected; /* expected last contact index */
cls->sn_move);
/* touchscreen emulation */
set_abs(hi->input, ABS_X, field, cls->sn_move);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_GD_Y:
if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
cls->sn_move);
/* touchscreen emulation */
set_abs(hi->input, ABS_Y, field, cls->sn_move);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
}
return 0;
case HID_UP_DIGITIZER:
switch (usage->hid) {
case HID_DG_INRANGE:
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_CONFIDENCE:
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_TIPSWITCH:
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_CONTACTID:
input_mt_init_slots(hi->input, td->maxcontacts);
td->last_slot_field = usage->hid;
td->last_field_index = field->index;
+ td->last_mt_collection = usage->collection_index;
return 1;
case HID_DG_WIDTH:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOUCH_MAJOR);
set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
cls->sn_width);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_HEIGHT:
hid_map_usage(hi, usage, bit, max,
cls->sn_height);
input_set_abs_params(hi->input,
ABS_MT_ORIENTATION, 0, 1, 0, 0);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_TIPPRESSURE:
if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
/* touchscreen emulation */
set_abs(hi->input, ABS_PRESSURE, field,
cls->sn_pressure);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_CONTACTCOUNT:
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index)
+ td->last_field_index = field->index;
return 1;
case HID_DG_CONTACTMAX:
/* we don't set td->last_slot_field as contactcount and
* contact max are global to the report */
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index)
+ td->last_field_index = field->index;
return -1;
}
/* let hid-input decide for the others */
}
td->mtclass = mtclass;
td->inputmode = -1;
+ td->last_mt_collection = -1;
hid_set_drvdata(hdev, td);
ret = hid_parse(hdev);