snd_hda_codec_device_init(9)

📦 version 7.3.1, in nixpkgs unstable

🎀 snd_hda_codec_device_init(9) — Kernel API Manual 🎀

okay bestie, buckle up — this is snd_hda_codec_device_init(9) from the Kernel API Manual, and it's literally the function that spins up a brand-new HDA codec device for you. no cap. 💅

✨ NAME ✨

snd_hda_codec_device_init — allocate HDA codec device 🎧

✨ SYNOPSIS ✨

struct hda_codec * snd_hda_codec_device_init (struct hda_bus *bus ,
       unsigned int codec_addr , const char *fmt , ... );

🌸 ARGUMENTS 🌸

  • bus — codec's parent bus, aka the ride this codec is showing up on 🚌
  • codec_addr — the codec address on the parent bus, its little home address 🏡
  • fmt — format string for the device's name, so you can name your new baby ✨
  • ... — variable arguments, the extras the format string is hungry for 🍓

💖 DESCRIPTION 💖

Returns newly allocated codec device or ERR_PTR on failure. that's the whole vibe check — you either get a shiny new codec device, or you get an ERR_PTR, and you gotta check for it, fr fr. no in-between, no "maybe". 😭

🦋 SEE ALSO 🦋

it's giving extended family reunion, so here's the whole guest list — and they're all in the Kernel file ./sound/hda/common/codec.c. give them a look, iykyk 👑

and that's the whole page, bestie — go forth and allocate some codecs 💜

source: ./sound/hda/common · version/date: October 2026 🎀✨

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