cvs_write_i2c(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… cvs_write_i2c(9) πŸ’…

okay so bestie, welcome to this little page from the Kernel API Manual β€” it's giving "one function, very specific job" energy, and honestly? iconic. Let's get into it.


✨ NAME ✨

cvs_write_i2c β€” write a raw command buffer to the device over I2C. no cap, that's the whole thing.

✨ SYNOPSIS ✨

int cvs_write_i2c (struct icvs *ctx , const void *data , int size );

🌸 ARGUMENTS 🌸

  • ctx β€” the CVS device context. like, the main character of this call tbh.
  • data β€” buffer containing command + payload. yes bestie, both in there.
  • size β€” total bytes to write. the whole count, not a vibe estimate.

πŸ’– RETURN πŸ’–

It returns 0 on success or a negative errno. periodt β€” success is 0, failure is negative.

πŸ¦‹ SEE ALSO πŸ¦‹

The kernel file is ./drivers/media/i2c/cvs/core.c, and here's the whole friend group:


okay that's the page, bestie 🫢 source/version: ./drivers/media/i2c/cvs; date: October 2026; page: cvs_write_i2c(9). slay and goodbye πŸ’…βœ¨

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