Full size apple keyboard, Macbook Air and Thunderbolt problem

Here's the scenario.  Come to work, plug in Macbook air to thunderbolt display.  Hit keyboard to wake it up.  Nothing.  Click magic mouse and awake comes Macbook and thunderbolt display.  Click on user and go to type password in... no keyboard.  Happens every 2-3 days sometimes 2-3 days in a row.  Have to open Macbook Air, use Macbook keyboard to log in.  Hit restart, let it boot and then viola the usb keyboard works.
I have searched Thunderbolt firmware updates and see the previous cases of people having trouble and pram zapping and blah blah blah. I can't seem to find instructions on firmware update anywhere for thunderbolt display.  Is there no correct fix for this yet?  I'm using all Apple products.  It should just work.
Thanks in advance.

Through experimentation, I've found that the audio works fine (i.e., no static) if I remove all USB connections from the Thunderbolt Display.
If I plug my Apple keyboard into a USB port on the Thunderbolt Display, and I let the audio play for a few minutes, the audio begins to degrade with static.
As a short-term workaround, I've removed all USB connections from the Thunderbolt Display. When I connect the MacBook Air to the display, I plug a USB hub into the MacBook Air (not into the Thunderbolt Display). I plug the Apple keyboard (etc.) into the USB hub. With this configuration, the audio works fine.
Of course, I do want to be able to use the USB ports on the Thunderbolt Display, so this is a short-term workaround at best.

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