virtsnd_pcm_build_hw(9)

✨ virtsnd_pcm_build_hw(9) ✨

okay bestie, welcome to the Kernel API Manual — this page is all about virtsnd_pcm_build_hw, and its whole thing is literally “Parse substream config and build HW descriptor.” 💅

🌸 NAME 🌸

virtsnd_pcm_build_hw — parse substream config and build HW descriptor.

🦋 SYNOPSIS 🦋

int virtsnd_pcm_build_hw (struct virtio_pcm_substream *vss , struct
       virtio_snd_pcm_info *info );

💖 ARGUMENTS 💖

• vss — VirtIO substream. The substream in question, bestie. 🎀
• info — VirtIO substream information entry. The info entry doing its little info-entry thing. ✨

🌈 CONTEXT 🌈

Any context. No cap — it is not picky about where you call it. 🦋

⭐ RETURN ⭐

0 on success, and -EINVAL if configuration is invalid. That is the whole vibe check. 💀

👑 SEE ALSO 👑

Kernel file ./sound/virtio/virtio_pcm.c — plus these function besties:

• virtsnd_pcm_find(9)
• virtsnd_pcm_find_or_create(9)
• virtsnd_pcm_validate(9)
• virtsnd_pcm_period_elapsed(9)
• virtsnd_pcm_parse_cfg(9)
• virtsnd_pcm_build_devs(9)
• virtsnd_pcm_event(9)

mwah 💋 — source ./sound/virtio, dated October 2026, page virtsnd_pcm_build_hw(9). 🫶