Building things, breaking things, writing about both.

I build software and write about it. Sometimes about the elegant parts, sometimes about the messy ones — both tend to teach more than the polished tutorials do.

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How I fixed a 0..1 brightness slider in vdu_controls (Philips Evnia DDC/CI bug)

A Philips Evnia 27M2N5500Q on Linux gave me a brightness slider stuck at 0..1 in vdu_controls. Tracing it through DDC/CI, capability strings, and a parser bug — and submitting my first open-source fix.

  • linux
  • opensource
  • python
  • debugging
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