snd_hda_get_conn_index(9)

📦 version 7.3.1, in nixpkgs unstable

✨ NAME ✨

Okay bestie, this is the Kernel API Manual page for snd_hda_get_conn_index(9) — and it's literally “get the connection index of the given NID.” That's the whole main character energy of this function. 💅

🌸 SYNOPSIS 🌸

No cap, the whole vibe is this signature right here:

       int snd_hda_get_conn_index (struct hda_codec *codec , hda_nid_t mux ,
       hda_nid_t nid , int recursive );

🎀 ARGUMENTS 🎀

  • codec — the HDA codec. That's the codec in question, periodt.
  • mux — NID containing the list. It's giving “the list lives here.”
  • nid — NID to select. This is the one we're checking for, bestie.
  • recursive — 1 when searching NID recursively, otherwise 0. Lowkey important, highkey still just a 1 or 0.

🦋 DESCRIPTION 🦋

Alright, so snd_hda_get_conn_index parses the connection list of the widget mux and checks whether the widget nid is present. If it is, it returns the connection index — slay. Otherwise it returns -1. Not me being dramatic about a -1, but that's literally the whole lore. 😭

💅 SEE ALSO 💅

Kernel file: ./sound/hda/common/codec.c — and the whole friend group is here, fr fr:

xoxo, your fave kernel bestie 💖 — from the source/version ./sound/hda/common, dated October 2026; this page is snd_hda_get_conn_index(9). byeee ✨

📦 where this page comes from