The problem is that the judge that sentenced him originally will be the decider of how much time he will do. We have heard of both scenarios, either they do about half or all of the original sentence.
https://www.inmateaid.com/ask-the-inmate/im-just-curious-my-husband-was-on-parole-he-went-owall-then-arrested-on-a-warrant-no-new-charges-will-he-have-to-sit-all-of-the-time-he-had-left-on-parole-or-will-he-do-half-of-thar#answer
Accepted Answer Date Created: October 02,2015