Input: sur40 - convert le16 to cpu before use

Smatch found this issue:
drivers/input/touchscreen/sur40.c:424:55: warning: incorrect type in argument 2 (different base types)
drivers/input/touchscreen/sur40.c:424:55:    expected int key
drivers/input/touchscreen/sur40.c:424:55:    got restricted __le16 [usertype] blob_id

Signed-off-by: Ricardo Ribalda <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>

Author: ribalda

drivers/input/touchscreen/sur40.c

@@ -421,7 +421,7 @@ static void sur40_report_blob(struct sur40_blob *blob, struct input_dev *input)
 	if (blob->type != SUR40_TOUCH)
 		return;
 
-	slotnum = input_mt_get_slot_by_key(input, blob->blob_id);
+	slotnum = input_mt_get_slot_by_key(input, le16_to_cpu(blob->blob_id));
 	if (slotnum < 0 || slotnum >= MAX_CONTACTS)
 		return;