virtsnd_pcm_hw_params(9)

💖 virtsnd_pcm_hw_params(9) — Kernel API Manual 💖

🌸 NAME 🌸

virtsnd_pcm_hw_params — set the parameters of the PCM substream. 🎀 That’s the whole vibe: PCM substream parameters, and it’s lowkey iconic.

🦋 SYNOPSIS 🦋

int virtsnd_pcm_hw_params (struct snd_pcm_substream *substream , struct
snd_pcm_hw_params *hw_params );

💅 ARGUMENTS 💅

• substream — Kernel ALSA substream. It’s the kernel ALSA substream you’re handing over, bestie. ✨
• hw_params — Hardware parameters. This is the hardware-parameters bundle. 🫶

🌈 CONTEXT 🌈

Process context. Yes bestie, that’s the context — process context, periodt. 💅

🔥 RETURN 🔥

0 on success, -errno on failure — that’s the return situation, no cap. 💀✅

👑 SEE ALSO 👑

Kernel file: ./sound/virtio/virtio_pcm_ops.c — that’s the file, iykyk. The whole squad is:

• virtsnd_pcm_open(9)
• virtsnd_pcm_close(9)
• virtsnd_pcm_dev_set_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)

that’s the tea from source/version ./sound/virtio, dated October 2026, page virtsnd_pcm_hw_params(9) — bye bestie, go set those PCM substream params! 💖✨🎀