snd_pcm_new(9)

✨ snd_pcm_new — create a new PCM instance ✨

okay so bestie, this is snd_pcm_new from section 9 (Kernel API Manual), and it's literally the glow-up moment where a fresh PCM instance gets born 🎀 no cap, it's giving main character energy in ./sound/core/pcm.c.

🌸 SYNOPSIS 🌸

int snd_pcm_new (struct snd_card *card , const char *id , int device ,
int playback_count , int capture_count , struct snd_pcm **rpcm );

💅 ARGUMENTS 💅

• card — the card instance 💳 like, the whole sound card this lil baby PCM belongs to.
• id — the id string 🏷️ a cute lil name tag fr.
• device — the device index (zero based) 🔢 yes bestie, zero based, we start counting at 0 like civilized people.
• playback_count — the number of substreams for playback 🔊 how many streams can sing out loud.
• capture_count — the number of substreams for capture 🎤 how many streams can listen in.
• rpcm — the pointer to store the new pcm instance 📌 you hand it a pointer-to-pointer and it drops the new PCM in there, iconic.

🦋 DESCRIPTION 🦋

Creates a new PCM instance ✨ that's the whole vibe.

⚠️ important bestie!! The pcm operators have not been set yet — you gotta do that afterwards on the new instance via snd_pcm_set_ops. Don't forget, or it's gonna be a whole mess 😭

🔥 RETURN 🔥

Zero if successful 👑, or a negative error code on failure 💀.

🌈 SEE ALSO 🌈

• Kernel file ./sound/core/pcm.c
• snd_pcm_format_name(9)
• snd_pcm_new_stream(9)
• snd_pcm_new_internal(9)
• snd_pcm_notify(9)

🫶 and that's the whole page bestie, no notes. it lives in ./sound/core, the date on it is October 2026, and it's snd_pcm_new(9) — go forth and make PCMs 💖🎀🧚