Lock Screen Orientation on Galaxy Tab 2 w/ CM10

I posted on xda-developers asking this same question, but thought I'd ask here to see if anyone has a solution.

I'm loving the experience with CM10 on my Galaxy Tab 2 (7") since rooting + flashing yesterday, but there's just one thing that's been bothering me: the lock screen orientation (and default orientation, it seems) is landscape, but I tend to use my tablet port in portrait mode (browsing, Twitter, etc).

Does anyone know if it's possible to switch the orientation? I dug through the settings yesterday and couldn't find anything.