extcon_alloc_cables(9)

📦 version 7.3.1, in nixpkgs unstable

💅 extcon_alloc_cables — a Kernel API Manual moment

okay so bestie, welcome to the extcon_alloc_cables(9) page ✨ it lives in the Kernel API Manual and it's honestly a little icon — short, sweet, does exactly one thing. let's get into it 🎀

✨ NAME ✨

extcon_alloc_cables — alloc the cables for extcon device 🦋

like... that's the whole job. it allocates the cables. for the extcon device. periodt 💅

✨ SYNOPSIS ✨

int extcon_alloc_cables (struct extcon_dev *edev );

that's it, that's the signature — int coming back atcha, one struct extcon_dev * going in 🌸

✨ ARGUMENTS ✨

  • edev — the extcon device which has cables 🎀 literally the device that owns the cables we're out here allocating. if it's got cables, it's the one you pass, iykyk.

✨ DESCRIPTION ✨

so what actually comes back? Returns 0 if success 🫶 or an error number if fail 😭 — that's it, no cap. 0 = slay, anything else = the vibe check failed and you got an error number instead.

bestie pls actually check that return value. 0 is the good ending 💖 everything else means it didn't work out and the kernel is telling you why with a number.

✨ SEE ALSO ✨

the whole friend group 🫶 all of these are chilling in the Kernel file ./drivers/extcon/extcon.c:

like, go read them, they're all iconic in their own way 👑

and that's the page babes 🌈 it ships from ./drivers/extcon, this version is dated October 2026, and honestly? iconic behavior from the kernel docs team. mwah 💋 🎀✨

📦 where this page comes from