usb_power_de...capabilities(9)

💖 usb_power_delivery_register_capabilities(9) — Kernel API Manual energy 💖

🌸 NAME 🌸

usb_power_delivery_register_capabilities — Register a set of capabilities. periodt. 💅

✨ SYNOPSIS ✨

struct usb_power_delivery_capabilities *
usb_power_delivery_register_capabilities (struct usb_power_delivery *pd
, struct usb_power_delivery_capabilities_desc *desc );

🎀 ARGUMENTS 🎀

• pd — The USB PD instance that the capabilities belong to. Like, this is the USB PD home base for these capabilities, bestie. 🏠
• desc — Description of the Capabilities Message. This is where the Capabilities Message gets described. 📝

🦋 DESCRIPTION 🦋

Okay so this function registers a Capabilities Message described in desc. The capabilities will have their own sub-directory under pd in sysfs. It’s giving organized little folder moment. 🗂️

The function returns pointer to struct usb_power_delivery_capabilities, or ERR_PRT(errno). Yes, ERR_PRT(errno) — that spelling is straight from the page, bestie, no autocorrect, no cap. 💀

🌈 SEE ALSO 🌈

• Kernel file ./drivers/usb/typec/pd.c
• usb_power_delivery_unregister_capabilities(9)
• usb_power_delivery_register(9)
• usb_power_delivery_unregister(9)
• usb_power_delivery_link_device(9)
• usb_power_delivery_unlink_device(9)

xoxo, bestie 🫶 source/version: ./drivers/usb/typec · date: October 2026 · Kernel API Manual, already folded in at the top like a good little header 🎀