Development: How to submit patches

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Patch Preparation

Patches should be created against the v4l-dvb mercurial tree; see How to build from mercurial.

For references on how to develop a driver, take a look at Index of Documentation for People Interested in Writing and/or Understanding the Linux Kernel.

Post your patches to the video4linux mailing list for review and testing.

Follow the guidelines in Documentation/SubmittingPatches (cf. jgarzik's version), including:

  • Verify best-practice kernel coding style
  • Use [PATCH] in the subject line to get attention
  • Explain what the patch does and what hardware it applies to
  • Document your work where appropriate, in the form of patches to Documentation/video4linux files
  • Add a Signed-off-by: Your name <name@yoursite.com> as a Developer's Certificate of Origin 1.1
  • Fix any problems and repeat until everyone is happy ;)
  • Send the patch inline, not as an attachment

Hint: There's a checklist for patch submission

Subscription to the V4l mailing list is recommended but not required.

The patch will be applied to the main mercurial tree. Once tested and integrated, patches are merged into a git tree by the v4l maintainer and periodically pulled by Linus.