snd_hdac_bu...response_pio(9)

📦 version 7.3.1, in nixpkgs unstable

🎀 snd_hdac_bus_get_response_pio — like, the Immediate Response era 💅

okay so bestie, welcome to the Kernel API Manual ✨ this one's a function page, and it's honestly kind of a vibe. the title got truncated in the header as snd_hdac_bu...response_pio(9) but the full glow-up name is snd_hdac_bus_get_response_pio 🦋

✨ NAME ✨

snd_hdac_bus_get_response_pio — receive a response via Immediate Response 🫶

🌸 SYNOPSIS 🌸

int snd_hdac_bus_get_response_pio (struct hdac_bus *bus , unsigned int
addr , unsigned int *res );

like, it returns an int, takes three args, and yes the formatting is giving "manpage did its best" 😭

💖 ARGUMENTS 💖

  • bus — the HD-audio core bus, aka the main character of this whole operation 👑
  • addr — the codec address, so it knows which codec we're talking to 🎯
  • res — pointer to store the value; it's NULL when you don't need it, no pressure bestie 💅

🔥 DESCRIPTION 🔥

okay so here's the tea: it returns zero if a value is read 🎉 — or a negative error code if things are not slaying 😭

that's literally it. no complicated lore. no cap. ⭐

🌈 SEE ALSO 🌈

kernel file ./sound/hda/core/controller.c — go read it, it's important, iykyk 💜

like, that's the whole friend group fr fr 🧚 — read them all, they're iconic 💀

okay that's the page!! 🍓 this little beauty lives in ./sound/hda/core and the version/date stamps on it are October 2026 — so yeah, future vibes only ✨💖 mwah, go read your kernel source bestie 🎀

📦 where this page comes from