i3c_master_entdaa_locked(9)

📦 version 7.3.1, in nixpkgs unstable

✨ i3c_master_entdaa_locked(9) ✨

okay so you're in the Kernel API Manual bestie, and this is the glow-up page for i3c_master_entdaa_locked 💅 buckle up.

🌸 NAME 🌸

i3c_master_entdaa_locked — the one that kicks off a DAA (Dynamic Address Assignment) procedure 🎀

🦋 SYNOPSIS 🦋

int i3c_master_entdaa_locked (struct i3c_master_controller *master );

💜 ARGUMENTS 💜

  • master — the master that's gonna send frames on the bus, no cap 🫶 it's the main character here.

🔥 DESCRIPTION 🔥

So basically you send an ENTDAA CCC command to start a DAA procedure. That's the whole move. ✨

heads up bestie 👀 this function only sends the ENTDAA CCC command — like, that's it. All the actual logic behind dynamic address assignment? That has to be handled in the I3C master driver. Not here. Not this function's job. Don't come for her. 💀

Also, and this is important fr fr — this function must be called with the bus lock held in write mode. Not read mode. Write mode. Periodt. 🔒

⭐ RETURN ⭐

  • 0 when it slays 💖
  • a negative error code otherwise 😭

🌈 SEE ALSO 🌈

Kernel file ./drivers/i3c/master.c, plus the whole friend group 🫶:

and that's the page, bestie 🧚💖 it lives in ./drivers/i3c, dated October 2026 — screenshot it, send it to the group chat, iykyk 💅🎀

📦 where this page comes from