snd_card_ro_proc_new(9)

💅 snd_card_ro_proc_new(9) 💅

okay bestie, so this one's from the Kernel API Manual and it's literally the glow-up your sound card's procfs entry deserves ✨

---

🌸 NAME 🌸

snd_card_ro_proc_new — creates a read-only text proc file entry for the card 🎀

---

✨ SYNOPSIS ✨

int snd_card_ro_proc_new (struct snd_card *card , const char *name ,
       void *private_data , void (*read)(struct snd_info_entry *, struct
       snd_info_buffer *) );

---

🦋 ARGUMENTS 🦋

• card — the card instance 💳 like, the actual sound card you're doing this for
• name — the file name 🏷️ what it's gonna be called
• private_data — the arbitrary private data 👜 literally whatever you want, it's yours, no questions asked
• read — the read callback 📖 the function that gets called when someone reads the file

---

💖 DESCRIPTION 💖

So here's the vibe: this proc file entry gets registered through the snd_card_register call, and then — periodt — it gets removed automatically when the card is removed too 🧹 no manual cleanup, no drama, it just handles itself. iconic behavior honestly 👑

---

🌈 SEE ALSO 🌈

• Kernel file ./include/sound/info.h
• snd_iprintf(9)

---

🫶 ngl this one's short and sweet — read the header file if you wanna go deeper, iykyk

---

okay that's the whole page, bestie ✨ this cutie lives in ./include/sound and the manual's dated October 2026 — go forth and make read-only proc entries responsibly 💜💅