snd_hdac_sync_audio_rate(9)

💖 snd_hdac_sync_audio_rate(9) — Kernel API Manual 💖

okay so bestie, this is the Kernel API Manual page for snd_hdac_sync_audio_rate(9), and it’s lowkey a tiny but important little function. let’s get into it ✨

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🌸 NAME 🌸

snd_hdac_sync_audio_rate — Set N/CTS based on the sample rate 💅

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✨ SYNOPSIS ✨

       int snd_hdac_sync_audio_rate (struct hdac_device *codec , hda_nid_t nid
       , int dev_id , int rate );

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🎀 ARGUMENTS 🎀

here’s the group-chat roster for this function, bestie:

• codec — HDA codec 🎛️
• nid — the pin widget NID 📍
• dev_id — device identifier 🏷️
• rate — the sample rate to set 🎚️

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🦋 DESCRIPTION 🦋

so the tea is: this function is supposed to be used only by a HD-audio controller driver that needs the interaction with graphics driver. literally that’s the whole intended audience 👑.

It sets the N/CTS value based on the given sample rate. return vibe check: 0 for success 💖, or a negative error code 😭. so yeah, check that return value, bestie — no cap.

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🌈 SEE ALSO 🌈

go peek at these icons too:

• Kernel file ./sound/hda/core/component.c 📁
• snd_hdac_set_codec_wakeup(9) ⏰
• snd_hdac_display_power(9) 🔌
• snd_hdac_acomp_get_eld(9) 📺
• snd_hdac_acomp_register_notifier(9) 📝
• snd_hdac_acomp_init(9) 🌱
• snd_hdac_acomp_exit(9) 👋

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xoxo bestie 💖 this page comes from ./sound/hda/core, dated October 2026, and it’s the snd_hdac_sync_audio_rate(9) page — byeee 🎀✨