snd_ctl_boolean_mono_info(9)
π snd_ctl_boolean_mono_info(9) π
okay so bestie, welcome to the Kernel API Manual β this one's a lil function called snd_ctl_boolean_mono_info, and honestly? she's tiny, she's iconic, she does exactly one thing and does it flawlessly. no cap. β¨
πΈ NAME πΈ
snd_ctl_boolean_mono_info β the helper function for a standard boolean info callback with a mono channel π
like, if you need a boolean control with a single mono channel and you want the info callback handled for you β this is her. she's the plug. π
π¦ SYNOPSIS π¦
int snd_ctl_boolean_mono_info (struct snd_kcontrol *kcontrol , struct snd_ctl_elem_info *uinfo );
β ARGUMENTS β
kcontrolβ the kcontrol instance π (the whole vibe check of a control object, right here)uinfoβ info to store π (this is where the juicy details get written)
β¨ DESCRIPTION β¨
so basically: this is a function that can be used as an info callback for a standard boolean control with a single mono channel. that's it. that's the whole thing. she's lowkey the main character of "just works" π
no complicated setup, no drama, no seventeen parameters. you hand her a control and a place to stash the info, and she handles the standard boolean-mono situation for you. periodt. π
π₯ RETURN π₯
Zero β always successful πβ¨ (yes bestie, ALWAYS. she does not miss. not even once.)
π§ SEE ALSO π§
the whole friend group, fr fr β Kernel file ./sound/core/control.c plus:
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_remove_user_ctl(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_stereo_info(9)snd_ctl_enum_info(9)
ok and one lil sibling note π«Ά β snd_ctl_boolean_stereo_info(9) is literally right there if you need two channels instead of one. know the difference, bestie. iykyk π
and that's the page!! brought to you by ./sound/core, dated October 2026 πΈ β mwah, go write some audio drivers, i'm obsessed with you π
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π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms