drm_atomic_...io_infoframe(9)

📦 version 7.3.1, in nixpkgs unstable

💅 drm_atomic_helper_connector_hdmi_update_audio_infoframe 💅

okay so bestie, welcome to the Kernel API Manual — yes, that's the manual name, and yes, it's giving "I read the docs so you don't have to" energy. This little page is all about drm_atomic_helper_connector_hdmi_update_audio_infoframe, which is a whole mouthful but honestly? Iconic. Let's get into it 🎀

✨ NAME ✨

drm_atomic_helper_connector_hdmi_update_audio_infoframe — Update the Audio Infoframe. That's it, that's the whole vibe. It updates the Audio Infoframe. Slay.

🌸 SYNOPSIS 🌸

int drm_atomic_helper_connector_hdmi_update_audio_infoframe (struct
       drm_connector *connector , struct hdmi_audio_infoframe *frame );

like, literally just that. two pointers in, an int out. no cap 🫶

🦋 ARGUMENTS 🦋

  • connector — A pointer to the HDMI connector. the main character of this whole operation, fr fr 💖
  • frame — A pointer to the audio infoframe to write. this is the actual audio tea being served ✨

🔥 DESCRIPTION 🔥

okay so here's the deal: this function is meant for HDMI connector drivers to update their audio infoframe. that's its whole purpose, its whole job, its whole personality 💅

and where does it usually get called? typically in one of the ALSA hooks — most likely prepare. so if you're lurking in ALSA land and you see this pop up, that's not a glitch, that's just the plan 🎧

⭐ RETURN ⭐

  • Zero on success 😌
  • error code on failure 😭

simple as that. no surprises, no drama (for once).

👑 SEE ALSO 👑

the kernel file lives at ./drivers/gpu/drm/display/drm_hdmi_state_helper.c — go say hi to it, it's doing the real work 🧚

and here's the whole friend group, all linked up:

periodt 💜

aaaand that's the page! sign-off time: this one's from ./drivers/gpu/drm/display, dated October 2026, and it's the drm_atomic_...io_infoframe(9) page — yes the title got abbreviated, no we don't know why, and yes we're still obsessed with it 🌈🫶 mwah, go update those infoframes bestie 🍓

📦 where this page comes from