snd_jack_add_new_kctl(9)

💅 snd_jack_add_new_kctl(9) 💅

okay so welcome to the Kernel API Manual page for snd_jack_add_new_kctl(9) — yes bestie, we’re in kernel land and this one is lowkey iconic. It’s all about making a new kctl and attaching it to a jack. No cap. 🎀

✨ NAME ✨

<hotpink>snd_jack_add_new_kctl</hotpink> — create a new snd_jack_kctl and add it to jack. that’s the whole vibe, fr fr. 💖

🌸 SYNOPSIS 🌸

int snd_jack_add_new_kctl (struct snd_jack *jack , const char * name ,
       int mask );

that’s the exact signature, character for character — don’t let anyone tell you otherwise. 💅

🦋 ARGUMENTS 🦋

• jack — the jack instance that the kctl will be attaching to. that’s the target, bestie. 🎯
• name — the name for the snd_kcontrol object. give it a cute name, it deserves one. 🎀
• mask — a bitmask of enum snd_jack_type values that can be detected by this snd_jack_kctl object. mask on, mask off? no, just bitmask. 😭

💜 DESCRIPTION 💜

it creates a new snd_kcontrol object and adds it to the jack kctl_list. that’s it. that’s the whole main character moment. ✨

🔥 RETURN 🔥

it returns zero if it’s successful, or a negative error code if it fails. so zero = slay, negative = not slay. 💀

🌈 SEE ALSO 🌈

• Kernel file ./sound/core/jack.c
• snd_jack_new(9)
• snd_jack_set_key(9)
• snd_jack_report(9)

go read those too, iykyk. 🫶

mwah 💋 — this page lives in ./sound/core, dated October 2026, and it’s literally snd_jack_add_new_kctl(9). periodt. 🦋