Jump to "auto" shutter speed mode with command dial?

[patrickwiththecamera]

I'm playing around with my command dial settings, and thinking about whether I want to set one of my functions to shutter speed.  I shoot mostly in aperture priority (i.e. I let the camera choose the shutter speed for me while I control aperture and ISO), but there are of course occasions where I want to dial in a specific shutter speed.  If I'm using the command dial (with the shutter speed dial selected to "T"), if I want to jump back to auto shutter speed, I have to move my hand to the shutter speed knob, unlock it, turn two positions to "A", lock, move my hand back to grip...  I'm wondering if there's a faster (like, one button press) method for getting back to auto shutter speed, while retaining the command dial function when I want to dial in a specific shutter speed.

Hope my question makes sense!  I struggled with the wording a bit...

Thanks!