snd_hdac_ext...ink_power_up(9)

✨ NAME ✨

okay so bestie, welcome to the Kernel API Manual 💖 — this page is literally all about snd_hdac_ext_bus_link_power_up — power up hda link. yes, that's the whole vibe: we're waking a link UP 🔥

🎀 SYNOPSIS 🎀

int snd_hdac_ext_bus_link_power_up (struct hdac_ext_link *hlink );

🌸 ARGUMENTS 🌸

• hlink — the HD-audio extended link 👑 that's the one thing you hand over, no cap

🦋 SEE ALSO 🦋

like, go look at the kernel file ./sound/hda/core/ext/controller.c — that's the source of truth, iykyk 📁✨

and then the whole friend group of sibling functions, all of them, periodt:

• snd_hdac_ext_bus_ppcap_enable(9)
• snd_hdac_ext_bus_ppcap_int_enable(9)
• snd_hdac_ext_bus_get_ml_capabilities(9)
• snd_hdac_ext_link_free_all(9)
• snd_hdac_ext_bus_get_hlink_by_addr(9)
• snd_hdac_ext_bus_get_hlink_by_name(9)
• snd_hdac_ext_bus_link_power_down(9)
• snd_hdac_ext_bus_link_power_up_all(9)
• snd_hdac_ext_bus_link_power_down_all(9)
• snd_hdac_ext_bus_link_set_stream_id(9)
• snd_hdac_ext_bus_link_clear_stream_id(9)

ngl the power-down ones are right there in the list — so if you're looking for the opposite energy, you already know where to go 💅

okay that's the page!! 🫶 this little cutie lives in ./sound/hda/core/ext and it's dated October 2026 — mwah, slay, bye bestie 💜🌈⭐