On Fri, Jun 12, 2015 at 10:02 PM, Reuben Martin <reuben.m@gmail.com> wrote:
Does anybody know if there is any way to pull up/down with JACK? And if there
is, can ALSA deal with it very gracefully?

There's no way to do this.

Ardour does pull up/down but it has nothing to do with JACK or ALSA.