For anyone still looking for a workaround here....
I added the first channel in the list of my antenna input as a shortcut on my number pad (hold down number 1, for example).
I then added the first channel on the list of my satellite to a second shortcut on the number pad (hold down number 2).
Holding down the relative number was then a quick way to switch between antenna and satellite of "LiveTv", rather than having to go into settings or the filter of the listing guide etc all the time.