virtsnd_chmap_build_devs(9)

okay bestie, welcome to the virtsnd_chmap_build_devs(9) page from the Kernel API Manual. it’s giving tiny-but-iconic kernel helper, and we’re gonna read it together, no cap 💖✨

🌸 NAME 🌸

virtsnd_chmap_build_devs — build ALSA controls for channel maps. periodt 💅

✨ SYNOPSIS ✨

int virtsnd_chmap_build_devs (struct virtio_snd *snd );

💬 ARGUMENTS 💬

• snd — the VirtIO sound device. that’s the argument, bestie 🫶

🌀 CONTEXT 🌀

• Any context. literally any context, so no “wait, am I allowed here?” energy 🌈

🎀 RETURN 🎀

• 0 on success, -errno on failure. so 0 is the slay outcome, and -errno is the “welp” outcome 😭

🔗 SEE ALSO 🔗

• Kernel file ./sound/virtio/virtio_chmap.c
• virtsnd_chmap_parse_cfg(9)
• virtsnd_chmap_add_ctls(9)

okay that’s the whole page, bestie! signing off from ./sound/virtio, dated October 2026, with virtsnd_chmap_build_devs(9) energy — mwah 💖🎀✨