snd_power_unref(9)

✨ NAME ✨

okay so bestie, this is snd_power_unref from the Kernel API Manual — and the whole job is right there in the name: it releases the reference count for power control. That’s it. That’s the function. iconic behavior, no notes 💅

🦋 SYNOPSIS 🦋

void snd_power_unref (struct snd_card *card );

🎀 ARGUMENTS 🎀

• card — the sound card object. yes, that sound card object, the one you’re handing over 🫶

🌸 SEE ALSO 🌸

the Kernel file ./include/sound/core.h has the related lore, and honestly the whole friend group is worth a peek:

• snd_power_ref(9)
• snd_power_sync_ref(9)
• snd_card_unref(9)
• snd_BUG(9)
• snd_BUG_ON(9)

source/version cutie check: ./include/sound, dated October 2026 — snd_power_unref(9) signing off, mwah 💖✨