Here's a small patch I did for Oxide that responds to the system settings:
https://github.com/oxidecomputer/design.oxide.computer/commit/ab1c861a9a35e551af31b02f366a99e96bb0de9c
https://github.com/oxidecomputer/design.oxide.computer/commit/ab1c861a9a35e551af31b02f366a99e96bb0de9c