virtsnd_pcm_prepare(9)

✨ NAME ✨

okay so bestie, this is the virtsnd_pcm_prepare(9) page from the Kernel API Manual, and it's literally about preparing the PCM substream. that's the whole assignment. 💅✨

🎀 SYNOPSIS 🎀

int virtsnd_pcm_prepare (struct snd_pcm_substream *substream );

🦋 ARGUMENTS 🦋

• substream — Kernel ALSA substream. that's the stream cutie you're prepping, no cap 💖

🌸 CONTEXT 🌸

Process context. so yeah, that's the context vibe check, periodt. 🫶

💜 RETURN 💜

• 0 on success — slay, it worked ✨
• -errno on failure — it's giving error code, not a good time 😭

🔥 SEE ALSO 🔥

Kernel file ./sound/virtio/virtio_pcm_ops.c — and the whole friend group:

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

mwah 💋 this page is from source/version ./sound/virtio, dated October 2026, and it's the virtsnd_pcm_prepare(9) manual page. byeee, go prepare that substream bestie 🎀🫶