drivers/hid/hid-multitouch.c

480 		struct hid_field *field, struct hid_usage *usage)
486 		mt_get_feature(hdev, field->report);
488 		td->maxcontacts = field->value[0];
490 		    field->logical_maximum <= MT_MAX_MAXCONTACT)
491 			td->maxcontacts = field->logical_maximum;
498 		if (usage->usage_index >= field->report_count) {
503 		mt_get_feature(hdev, field->report);
504 		if (field->value[usage->usage_index] == MT_BUTTONTYPE_CLICKPAD)
511 			mt_get_feature(hdev, field->report);
517 		struct hid_field *field, int snratio)
519 	int fmin = field->logical_minimum;
520 	int fmax = field->logical_maximum;
523 	input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
615 	struct hid_field *field;
631 		field = report->field[r];
633 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
636 		if (field->logical == HID_DG_FINGER || td->hdev->group != HID_GROUP_MULTITOUCH_WIN_8) {
637 			for (n = 0; n < field->report_count; n++) {
638 				if (field->usage[n].hid == HID_DG_CONTACTID) {
712 		       &field->value[usage->usage_index],		\
716 		struct hid_field *field, struct hid_usage *usage,
727 	if (field->application == HID_DG_TOUCHSCREEN &&
738 		prev_usage = &field->usage[usage->usage_index - 1];
753 			set_abs(hi->input, code, field, cls->sn_move);
759 			if (field->application == HID_GD_SYSTEM_MULTIAXIS) {
778 			set_abs(hi->input, code, field, cls->sn_move);
798 				(field->application == HID_DG_TOUCHPAD ||
799 				 field->application == HID_DG_TOUCHSCREEN))
811 			if (field->application != HID_GD_SYSTEM_MULTIAXIS)
822 				set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
828 				set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
843 			set_abs(hi->input, ABS_MT_PRESSURE, field,
849 			app->scantime = &field->value[usage->usage_index];
850 			app->scantime_logical_max = field->logical_maximum;
854 			app->raw_cc = &field->value[usage->usage_index];
863 				-field->logical_maximum / 4,
864 				field->logical_maximum / 4,
866 				field->logical_maximum / cls->sn_move : 0, 0);
874 			 * Let's just ignore this field. */
887 		    field->application == HID_DG_TOUCHPAD &&
891 		if (field->application == HID_GD_SYSTEM_MULTIAXIS)
997 static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
1002 		hid->hiddev_hid_event(hid, field, usage, value);
1157 				struct hid_field *field,
1163 	struct input_dev *input = field->hidinput->input;
1200 	struct hid_field *field;
1242 	input = report->field[0]->hidinput->input;
1250 		field = report->field[r];
1251 		count = field->report_count;
1253 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
1257 			mt_process_mt_event(hid, app, field,
1258 					    &field->usage[n], field->value[n],
1342 		struct hid_field *field, struct hid_usage *usage,
1349 	rdata = mt_find_report_data(td, field->report);
1364 	    field->application != HID_DG_TOUCHSCREEN &&
1365 	    field->application != HID_DG_PEN &&
1366 	    field->application != HID_DG_TOUCHPAD &&
1367 	    field->application != HID_GD_KEYBOARD &&
1368 	    field->application != HID_GD_SYSTEM_CONTROL &&
1369 	    field->application != HID_CP_CONSUMER_CONTROL &&
1370 	    field->application != HID_GD_WIRELESS_RADIO_CTLS &&
1371 	    field->application != HID_GD_SYSTEM_MULTIAXIS &&
1372 	    !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS &&
1381 	if (field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS &&
1385 		if (field->flags & HID_MAIN_ITEM_VARIABLE)
1386 			field->flags &= ~HID_MAIN_ITEM_VARIABLE;
1400 		return mt_touch_input_mapping(hdev, hi, field, usage, bit, max,
1407 	if (field->physical == HID_DG_STYLUS)
1415 		struct hid_field *field, struct hid_usage *usage,
1421 	rdata = mt_find_report_data(td, field->report);
1431 static int mt_event(struct hid_device *hid, struct hid_field *field,
1437 	rdata = mt_find_report_data(td, field->report);
1439 		return mt_touch_event(hid, field, usage, value);
1447 	struct hid_field *field = report->field[0];
1457 	if (field && field->hidinput && field->hidinput->input)
1458 		input_sync(field->hidinput->input);
1462 				     struct hid_field *field,
1471 	struct hid_report *report = field->report;
1482 		 * field. Skip the second feature and hope for the best.
1501 		field->value[index] = td->inputmode_value;
1507 			max = min_t(int, field->logical_maximum,
1509 			if (field->value[index] != max) {
1510 				field->value[index] = max;
1517 		field->value[index] = latency;
1521 		field->value[index] = surface_switch;
1525 		field->value[index] = button_switch;
1548 			if (rep->field[i]->report_count < 1)
1551 			for (j = 0; j < rep->field[i]->maxusage; j++) {
1552 				usage = &rep->field[i]->usage[j];
1555 							     rep->field[i],
1653 static void mt_fix_const_field(struct hid_field *field, unsigned int usage)
1655 	if (field->usage[0].hid != usage ||
1656 	    !(field->flags & HID_MAIN_ITEM_CONSTANT))
1659 	field->flags &= ~HID_MAIN_ITEM_CONSTANT;
1660 	field->flags |= HID_MAIN_ITEM_VARIABLE;
1676 			if (report->field[i]->maxusage >= 1)
1677 				mt_fix_const_field(report->field[i], usage);