snd_pcm_set_ops(9)

📦 version 7.3.1, in nixpkgs unstable

✨ snd_pcm_set_ops(9) ✨

okay so bestie, welcome to the Kernel API Manual 💖 this one's a lil function called snd_pcm_set_ops(9) and it's genuinely so important, like the way it just... hands your PCM its whole personality? iconic. let's get into it 🎀

🌸 NAME 🌸

snd_pcm_set_ops — set the PCM operators 👑

like literally, it's the "here's your ops table, slay" function. no cap.

🦋 SYNOPSIS 🦋

void snd_pcm_set_ops (struct snd_pcm *pcm , int direction , const struct
snd_pcm_ops *ops );

three args, void return, no drama. main character energy fr fr 💅

🎀 ARGUMENTS 🎀

  • pcm — the pcm instance 🫶 like, your actual PCM object, the one getting the ops. this is the bestie receiving the gift.
  • direction — stream direction, SNDRV_PCM_STREAM_XXX 🌈 yep, that's the constant family you plug in here — playback, capture, whichever vibe you're setting up.
  • ops — the operator table ⭐ the const struct snd_pcm_ops * itself, the whole menu of callbacks. this is the moment.

💜 DESCRIPTION 💜

Sets the given PCM operators to the pcm instance.

that's it. that's the whole thing. you pass in the pcm, you pass in the ops table, and boom — the instance now has those operators. lowkey simple, highkey essential 🔥

it's giving "small function, huge responsibility" tbh.

🔍 SEE ALSO 🔍

Kernel file ./sound/core/pcm_lib.c — plus this whole little friend group right here, go say hi to all of them 💖:

ok that's the whole page bestie, no notes, read the SEE ALSO list, it's long but they're all literally right there in ./sound/core and they ate 💅

that's a wrap from ./sound/core, dated October 2026 🗓️ — mwah, go set some ops, you've got this 🧚💖✨

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