snd_hdac_regmap_write(9)

✨ NAME ✨

Okay bestie, meet snd_hdac_regmap_write from the Kernel API Manual 🫶 — it’s the function that writes a verb with caching. Slay. 💅

✨ SYNOPSIS ✨

int snd_hdac_regmap_write (struct hdac_device *codec , hda_nid_t nid ,
unsigned int verb , unsigned int val );

✨ ARGUMENTS ✨

• codec — the HD-audio codec base device 👑
• nid — the codec NID 🎀
• verb — the verb to write ✨
• val — the value to write 💖

✨ DESCRIPTION ✨

So here’s the tea: if you’re trying to write an amp value, use snd_hdac_regmap_update_amp instead. That’s literally the whole note, bestie 🦋

✨ RETURN ✨

It gives you 0 if it’s successful, or a negative error code if it’s not. No cap. 💀

✨ SEE ALSO ✨

Kernel file: ./include/sound/hda_regmap.h 🌸

• snd_hdac_regmap_encode_verb(9)
• snd_hdac_regmap_encode_amp(9)
• snd_hdac_regmap_encode_amp_stereo(9)
• snd_hdac_regmap_update(9)
• snd_hdac_regmap_read(9)
• snd_hdac_regmap_get_amp(9)
• snd_hdac_regmap_update_amp(9)
• snd_hdac_regmap_get_amp_stereo(9)
• snd_hdac_regmap_update_amp_stereo(9)
• snd_hdac_regmap_sync_node(9)

💖 That’s the whole page, bestie! Source/version: ./include/sound, dated October 2026 — bye, ily, go write those verbs responsibly 🧚✨