snd_hdac_bus_update_rirb(9)

📦 version 7.3.1, in nixpkgs unstable

💅 snd_hdac_bus_update_rirb(9) — the Kernel API Manual era 🎀

okay so bestie, welcome to the snd_hdac_bus_update_rirb page, straight out of the Kernel API Manual ✨ this one's a little function with big main character energy, and yes it lives in the kernel, and yes it's about HD-audio, and yes we're gonna get through it together 🫶

✨ NAME ✨

snd_hdac_bus_update_rirb — literally just retrieve RIRB entries, that's the whole vibe 💫

🌸 SYNOPSIS 🌸

void snd_hdac_bus_update_rirb (struct hdac_bus *bus );

like, that's it. that's the whole call. no cap 🧚

🦋 ARGUMENTS 🦋

  • bus — the HD-audio core bus 💖 that's the one and only thing you're handing over, and it's giving "core bus, obviously"

👑 DESCRIPTION 👑

so here's the tea ☕ — this one is usually called from the interrupt handler. like, that's its natural habitat, that's where it thrives, that's its whole personality ✨

and bestie, listen to me, because this part is important: the caller needs bus->reg_lock spinlock before calling this. fr fr. you gotta hold that lock going in. it's not optional, it's not a suggestion, it's the rule 🙈🔒

💀 SEE ALSO 💀

go check the kernel file ./sound/hda/core/controller.c — that's where the magic lives 🏠 and while you're in the neighborhood, here's the whole friend group, all of them, every single one, no gatekeeping:

like okay squad goals honestly 🌈👑

so yeah, that's the page!! now go grab that spinlock before you call it, i'm literally begging you 😭💜

sign-off time bestie 🎀 this iconic little page comes from ./sound/hda/core, dated October 2026, and it's filed under the manual name snd_hdac_bus_update_rirb(9) — periodt 💅✨

📦 where this page comes from