virtsnd_pcm_close(9)

💅 virtsnd_pcm_close(9) — like, the Kernel API Manual page, bestie

okay so this is virtsnd_pcm_close(9), straight out of the Kernel API Manual, and it's literally the page that tells you how to close a PCM substream. that's it. that's the whole vibe. short, sweet, and to the point — a minimal queen 🎀

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✨ NAME ✨

virtsnd_pcm_close — close the PCM substream. no cap, that's the entire job description 🫶

✨ SYNOPSIS ✨

int virtsnd_pcm_close(struct snd_pcm_substream *substream);

🌸 ARGUMENTS 🌸

• substream — the Kernel ALSA substream. that's the one you're closing, bestie 💖

🦋 CONTEXT 🦋

Process context. so like, you're running in process context here — noted, respected, iconic 👑

⭐ RETURN ⭐

Returns 0. that's it. zero. a clean slate. we love a function that doesn't make things complicated 😌✨

👑 SEE ALSO 👑

go read the kernel file ./sound/virtio/virtio_pcm_ops.c — it's giving main character energy fr fr — and also these icons:

• virtsnd_pcm_open(9)
• virtsnd_pcm_dev_set_params(9)
• virtsnd_pcm_hw_params(9)
• virtsnd_pcm_hw_free(9)
• virtsnd_pcm_prepare(9)
• virtsnd_pcm_trigger(9)
• virtsnd_pcm_sync_stop(9)
• virtsnd_pcm_pb_pointer(9)
• virtsnd_pcm_cp_pointer(9)

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ngl this one's a short read, so if you blinked you missed it. go read the whole ./sound/virtio saga if you want the full lore 📚💜

that's a wrap, bestie 🎀 this page came from ./sound/virtio, dated October 2026, and it's filed under virtsnd_pcm_close(9) — periodt. 💅✨