snd_hda_jack_tbl_get_mst(9)

💖 NAME 💖

snd_hda_jack_tbl_get_mst — okay so this is the one that queries the jack-table entry for the given NID, and honestly? iconic behavior 🎀

This lil baby lives in the Kernel API Manual, which is where all the serious low-level lore is kept. iykyk 💅

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✨ SYNOPSIS ✨

struct hda_jack_tbl * snd_hda_jack_tbl_get_mst (struct hda_codec *codec
, hda_nid_t nid , int dev_id );

like. look at her. returning a struct hda_jack_tbl * and everything 😭🫶

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🌸 ARGUMENTS 🌸

• codec — the HDA codec, bestie. that's the whole audio chip vibe right there 💜
• nid — the pin NID to refer to 🎯 (yes, pin, as in pin NID, not the pinterest kind, stay focused)
• dev_id — the pin device entry id, the little number that tells you which device entry we're talking about ✨

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🦋 SEE ALSO 🦋

okay this is the friend group, and they're all in the kernel file ./sound/hda/common/jack.c — go say hi to all of them 💖:

• is_jack_detectable(9)
• snd_hda_jack_tbl_get_from_tag(9)
• snd_hda_jack_tbl_new(9)
• snd_hda_jack_set_dirty_all(9)
• snd_hda_jack_pin_sense(9)
• snd_hda_jack_detect_state_mst(9)
• snd_hda_jack_detect_enable_callback_mst(9)
• snd_hda_jack_detect_enable(9)
• snd_hda_jack_set_gating_jack(9)
• snd_hda_jack_bind_keymap(9)
• snd_hda_jack_set_button_state(9)
• snd_hda_jack_report_sync(9)
• snd_hda_jack_add_kctl_mst(9)
• snd_hda_jack_add_kctls(9)
• snd_hda_jack_unsol_event(9)
• snd_hda_jack_poll_all(9)

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ngl if you ever forget one of these, they're all chillin' in ./sound/hda/common together, no cap 🌈

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and that's the whole page, bestie — 10/10 no notes 💅✨

this lil legend came from the ./sound/hda/common source tree, dated October 2026 — mwah, slay, periodt 🍓👑💖