snd_ctl_remove_user_ctl(9)

hey bestie!! welcome to the snd_ctl_remove_user_ctl(9) page from the Kernel API Manual 🎀✨

💖 NAME 💖

snd_ctl_remove_user_ctl — remove and release the unlocked user control 💅

✨ SYNOPSIS ✨

int snd_ctl_remove_user_ctl (struct snd_ctl_file * file , struct
snd_ctl_elem_id *id );

🫶 ARGUMENTS 🫶

• file — the active control handle, like the control convo you're literally in right now 🫶
• id — the control id to remove, aka the one you want gone, no cap ✨

🧹 DESCRIPTION 🧹

okay so this function finds the control instance with the given id, removes it from the card list, and releases it. it's giving cleanup era, and honestly? iconic. 💅

🌈 RETURN 🌈

0 if successful, or a negative error code on failure. so it's 0 when it slays, and a negative little number when it flops 😭

👑 SEE ALSO 👑

Kernel file ./sound/core/control.c plus the whole friend group:

• snd_ctl_notify(9)
• snd_ctl_notify_one(9)
• snd_ctl_new(9)
• snd_ctl_new1(9)
• snd_ctl_free_one(9)
• snd_ctl_add(9)
• snd_ctl_replace(9)
• snd_ctl_remove(9)
• snd_ctl_remove_id(9)
• snd_ctl_activate_id(9)
• snd_ctl_rename_id(9)
• snd_ctl_rename(9)
• snd_ctl_find_numid(9)
• snd_ctl_find_id(9)
• snd_ctl_register_ioctl(9)
• snd_ctl_register_ioctl_compat(9)
• snd_ctl_unregister_ioctl(9)
• snd_ctl_unregister_ioctl_compat(9)
• snd_ctl_request_layer(9)
• snd_ctl_register_layer(9)
• snd_ctl_disconnect_layer(9)
• snd_ctl_boolean_mono_info(9)
• snd_ctl_boolean_stereo_info(9)
• snd_ctl_enum_info(9)

xoxo, stay slay bestie — source/version: ./sound/core · date: October 2026 💖🦋