Does Logic Pro X actually work with the Roland VS-20?

Question

Hi all.  According to the support docs, the Roland VS-20 should work with Logic Pro X.  I've installed the latest drivers, the latest Logic plug-in for the VS-20, and the latest VS-20 Editor.  On occasion (and I have no idea what the magic formula is), I've gotten the controls and audio to work via the VS-20.  However, more often than not, the VS-20 controls (transport controls and faders) do nothing, and playing audio results in a horrible screeching through the VS-20.
A couple of other points of info:
The VS-20 always shows up correctly in the Control Surface and audio settings of Logic Pro X.
The VS-20 works fine in Reaper 4 as well as when only using the VS-20 Editor.
I'm using Logic Pro X (10.0.3) on a 2012 MBPr w/ 2.6GHz i7 and 16GB RAM
Is anyone out there using this setup successfully?
Thanks!

Answer 1

Roland was very helpful, even though their solution didn't actually work for me.  I sent them the same info as above, and here was the reply:
We are sorry to hear that you are having trouble. The VS-20 is definitely compatible with Logic Pro X. Be sure that you have setup the VS-20 in Logic Pro X according to the following instructions:
Audio I/O Setup:
1.     Select Logic Pro X in the menu bar and navigate to Preferences.
2.     Click on “Audio...”
3.     Under the Devices tab, set your Output Device and Input Device to “VS-20 44.1kHz”--if it is not already set.
Note: The sample rate of your Logic Pro X project must be 44.1kHz--as the VS-20 only operates in this sample rate.
4.     Click “Apply Changes”.
5.     Close the Preferences menu.
Control Surface Setup:
1.     Select Logic Pro in the menu bar and navigate to Preferences.
2.     Navigate to Control Surfaces and then click on “Setup...” A Setup window will appear.
3.     Click on “New” and then select “Install…” An Install window will appear.
4.     Select “Mackie Designs (Manufacturer) / Mackie Control (Model) / Logic Control (Module) and then click “Add”.
Note: If prompted with the message “No new Devices found”, click on “Add Manually”.
5.     In the Setup window, expand the Mackie Control section and assign both the Out Port and Input Port to “CONTROL”.
Note: If the Setup window does not appear, right-click on the Mackie mixer image and then select “Hide/Show Inspector”.
6.     Close the Control Surface Install and Setup windows.
The VS-20 is now setup for Logic Pro X.
We hope this information is helpful! Please let us know if this does not resolve your issue and include as much information as possible regarding troubleshooting you have done and results you have received. We are happy to help you.
Sincerely,
Roland Product Support
These steps actually resulted in a situation where some of the buttons on the VS-20 triggered sounds instead of their intended functions.  I deleted everything and started over, this time picking the actual VS-20 option in the setup, and everything worked.
I should mention that I also (foolishly?) updated to Mavericks just before getting this to work.