There is no way for any of us to give you the answer you are looking for. Immigration will grant or deny the application when they are ready to. You have no option but to keep responding to their requests for more information until they decide what to do. It might take one more visit or it might take ten, depending on your individual circumstances.
However, if all they have asked for is the originals of things which they already have copies of then the process is likely to be shorter. If they have asked for more documents which you didn't submit last time round then the process is likely to be longer.