snd_ac97_update(9)

🎀 NAME 🎀

okay so this is the snd_ac97_update(9) page from the Kernel API Manual, and it's literally here to update the value on the given register. that's the whole vibe 💅

snd_ac97_update — update the value on the given register

✨ SYNOPSIS ✨

int snd_ac97_update (struct snd_ac97 *ac97 , unsigned short reg ,
       unsigned short value );

💖 ARGUMENTS 💖

• ac97 — the ac97 instance 🫶
• reg — the register to change ✨
• value — the value to set 💖

🦋 DESCRIPTION 🦋

Bestie, here's the tea: it compares the value with the register cache and updates the value only when the value is changed. no cap, that's the whole thing. if nothing changed, it doesn't do the little update dance 🙈

⭐ RETURN ⭐

• 1 if the value is changed 🔥
• 0 if no change 😌
• or a negative code on failure 💀

🌈 SEE ALSO 🌈

• Kernel file: ./sound/pci/ac97/ac97_codec.c 👑
• snd_ac97_write(9)
• snd_ac97_read(9)
• snd_ac97_write_cache(9)
• snd_ac97_update_bits(9)
• snd_ac97_get_short_name(9)
• snd_ac97_bus(9)
• snd_ac97_mixer(9)
• snd_ac97_update_power(9)
• snd_ac97_suspend(9)
• snd_ac97_resume(9)
• snd_ac97_tune_hardware(9)

xoxo, your kernel bestie 💅✨ — footer tea: source/version is ./sound/pci/ac97, dated October 2026. bye bestie 🫶