snd_hda_get_path_from_idx(9)

💖 snd_hda_get_path_from_idx(9) — like, the Kernel API Manual, but make it cute 💖

okay so bestie, we're in the Kernel API Manual today and this one is a little guy but he's important, i promise 🫶

---

✨ NAME ✨

snd_hda_get_path_from_idx — literally just "gimme the path instance that matches this index number" 💅 like it's a lookup, that's the whole vibe.

---

🌸 SYNOPSIS 🌸

struct nid_path * snd_hda_get_path_from_idx (struct hda_codec *codec ,
int idx );

no cap, that's the whole signature. she's short. she's sweet. she's iconic 👑

---

🎀 ARGUMENTS 🎀

• codec — the HDA codec 💖 like, the actual codec object you're working with, that's her
• idx — the path index 🔢 the number you're looking up, bestie, that's it

---

🦋 SEE ALSO 🦋

the kernel file lives at ./sound/hda/codecs/generic.c and honestly? the whole friend group is here, so let me introduce everyone 🥰

• snd_hda_gen_spec_init(9)
• snd_hda_gen_add_kctl(9)
• snd_hda_get_path_idx(9)
• snd_hda_add_new_path(9)
• snd_hda_activate_path(9)
• snd_hda_gen_add_mute_led_cdev(9)
• snd_hda_gen_add_micmute_led_cdev(9)
• snd_hda_gen_fix_pin_power(9)
• snd_hda_gen_update_outputs(9)
• snd_hda_gen_hp_automute(9)
• snd_hda_gen_line_automute(9)
• snd_hda_gen_mic_autoswitch(9)
• snd_hda_gen_path_power_filter(9)
• snd_hda_gen_stream_pm(9)
• snd_hda_gen_shutup_speakers(9)
• snd_hda_gen_parse_auto_config(9)
• snd_hda_gen_build_controls(9)
• snd_hda_gen_build_pcms(9)
• snd_hda_gen_init(9)
• snd_hda_gen_remove(9)
• snd_hda_gen_check_power_status(9)

like, that's twenty-one whole siblings, a full squad, main character energy all around 🌈✨

---

lowkey if you're doing HDA codec stuff you're gonna be reading a lot of these, so maybe bookmark this page fr fr 💀

---

okay that's the page!! mwah 💋 this cutie comes from ./sound/hda/codecs, dated October 2026, and she answers to snd_hda_get_path_from_idx(9) — periodt 🎀🦋💜