snd_hda_query_pin_caps(9)

✨ snd_hda_query_pin_caps ✨

okay so bestie, welcome to the snd_hda_query_pin_caps(9) page — she lives in the Kernel API Manual and honestly she's a whole vibe. tiny function, big main character energy 💅

🌸 NAME 🌸

snd_hda_query_pin_caps — literally just: Query PIN capabilities 🎀

🦋 SYNOPSIS 🦋

u32 snd_hda_query_pin_caps (struct hda_codec *codec , hda_nid_t nid );

💖 ARGUMENTS 💖

• codec — the HD-auio codec 👀 (no fr that's what the page says, i'm not gonna gaslight you — it's the codec, it's HD, we move)
• nid — the NID you wanna query 🔍

🌈 DESCRIPTION 🌈

So what she does: she queries the PIN capabilities for the given widget, and hands you back the capability bits she got. that's it. that's the whole job. icon behavior only 👑

And here's the part that's lowkey the best feature: when the cap bits have already been read, she does not read again — she just returns the cached value. no double-reading, no drama, no cap. it's giving efficiency 💅✨

👑 SEE ALSO 👑

• Kernel file ./sound/hda/common/hda_local.h 📁
• snd_hda_set_pin_ctl(9)
• snd_hda_set_pin_ctl_cache(9)
• snd_hda_override_pin_caps(9)

all three of those are her besties, go say hi 🫶

k bye bestie, this page is from ./sound/hda/common, dated October 2026, and it's filed under snd_hda_query_pin_caps(9) — mwah, slay, see you in the kernel 💜🎀🧚