On Thu, 3 Sep 2009 13:44:07 -0600
Ernie Dulanowsky <ernst@pulsewidth.ca> wrote:

> In my limited experience I've found that the ease of mapping MIDI
> controller knobs to their software equivalents varies from
> application to application. In Ardour, for example, one middle clicks
> on a screen control, say, a mixer fader and a prompt appears telling
> you to move the desired hardware knob. This seems to work quite well.

At least on my system, that is Ctrl+middle click

Renato