Hi Benjamin,
> @@ -389,9 +404,19 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
> td->last_field_index = field->index;
> return -1;
> }
> + case HID_DG_TOUCH:
> + /* Legacy devices use TIPSWITCH and not TOUCH.
> + * Let's just ignore this field. */
> + return -1;
> /* let hid-input decide for the others */
> return 0;
>
> + case HID_UP_BUTTON:
> + code = ((usage->hid - 1) & HID_USAGE) + BTN_MOUSE;
Why '+' here instead of '|' is beyond me...
> + hid_map_usage(hi, usage, bit, max, EV_KEY, code);
> + input_set_capability(hi->input, EV_KEY, code);
> + return 1;
> +
> case 0xff000000:
> /* we do not want to map these: no input-oriented meaning */
> return -1;
> @@ -453,6 +478,7 @@ static void mt_complete_slot(struct mt_device *td)
> static void mt_emit_event(struct mt_device *td, struct input_dev *input)
> {
> int i;
> + int finger_count = 0;
>
> for (i = 0; i < td->maxcontacts; ++i) {
> struct mt_slot *s = &(td->slots[i]);
> @@ -477,12 +503,14 @@ static void mt_emit_event(struct mt_device *td, struct input_dev *input)
> input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
> input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
> input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
> + finger_count++;
> }
> s->seen_in_this_frame = false;
>
> }
>
> input_mt_report_pointer_emulation(input, true);
> + input_mt_report_finger_count(input, finger_count);
This function is already called from input_mt_report_pointer_emulation().
> input_sync(input);
> td->num_received = 0;
> }
Thanks,
Henrik
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