Ubuntu Wiki

• clone the firmware tree.

$ git clone git://kernel.ubuntu.com/ubuntu/linux-firmware.git ubuntu-linux-firmware

• look for the current release branch

$ git branch -a 
* master
  remotes/origin/HEAD -> origin/master
  remotes/origin/jaunty
  remotes/origin/karmic
  remotes/origin/lucid
  remotes/origin/master

• check out the branch for the current release (in this case lucid)

$ git checkout remotes/origin/lucid

• copy the firmware and license file to the appropriate directories.
• make sure the license is a redistributable license.
• if required run dos2unix on the LICENCE.XXX file to remove any control characters.
• git add/commit/push files and submit a pull request.