mei_cldev_register_rx_cb(9)

📦 version 7.3.1, in nixpkgs unstable

💅 mei_cldev_register_rx_cb — Kernel API Manual, bestie edition 💅

okay so this is a page about mei_cldev_register_rx_cb(9), straight out of the Kernel API Manual ✨ and no cap, it's a tiny little function that does exactly one cute thing: it hooks your callback up to receive Rx events. That's the whole vibe. Let's get into it 🫶

🌸 NAME 🌸

mei_cldev_register_rx_cb — register Rx event callback

like literally, you're registering a callback for Rx events. the name ate, honestly 💅

✨ SYNOPSIS ✨

int mei_cldev_register_rx_cb (struct mei_cl_device *cldev ,
mei_cldev_cb_t rx_cb );

so you hand it a device and a callback and it gives you back an int. that's it. that's the whole call 🎀

🦋 ARGUMENTS 🦋

  • cldev — me client devices 🌈 this is the client device you're doing all this for, main character energy fr
  • rx_cb — callback function ⭐ the function that gets called, iykyk

💖 RETURN 💖

  • 0 — on success 👑 slay, everything worked
  • -EALREADY — if an callback is already registered 😭 like bestie, there's already one in there, you can't just stack them
  • <0 — on other errors 💀 yeah that's the vibe, anything else negative means something went wrong

🌟 SEE ALSO 🌟

Kernel file ./drivers/misc/mei/bus.c, plus literally the entire friendship group of mei functions, here we go 🧚:

and that's the whole page, bestie 🎀💜 this iconic little entry lives in ./drivers/misc/mei and it's dated October 2026 — periodt, see you in the next one 💅✨🌸

📦 where this page comes from