snd_ac97_update_power(9)

💖 NAME 💖

Okay so welcome to snd_ac97_update_power, bestie — this is the snd_ac97_update_power(9) page from the Kernel API Manual 🫶. The whole assignment: update the powerdown register. That's it, that's the vibe. 💅

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🌸 SYNOPSIS 🌸

int snd_ac97_update_power (struct snd_ac97 *ac97 , int reg , int powerup
       );

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🎀 ARGUMENTS 🎀

• ac97 — the codec instance, aka the codec baddie you're working with 💖
• reg — the rate register, e.g. AC97_PCM_FRONT_DAC_RATE ✨
• powerup — non-zero when you're powering up the part ⚡

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💖 DESCRIPTION 💖

Update the AC97 powerdown register bits of the given part. Lowkey that's the whole lore 🫶 — no extra side quests, just updating those bits for the part you point at. 🎀

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🔥 RETURN 🔥

Zero. Yep, Zero — that's the return value. No cap, that's it 💀✨

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🦋 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(9)
• snd_ac97_update_bits(9)
• snd_ac97_get_short_name(9)
• snd_ac97_bus(9)
• snd_ac97_mixer(9)
• snd_ac97_suspend(9)
• snd_ac97_resume(9)
• snd_ac97_tune_hardware(9)

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xoxo, signed off from source ./sound/pci/ac97, dated October 2026 — stay powered, bestie 💜🎀✨