usb_get_dr_mode_from_string(9)

👑 usb_get_dr_mode_from_string(9) 👑

okay bestie, welcome to the Kernel API Manual 💖 we're looking at usb_get_dr_mode_from_string(9) today, and it's giving very specific little lookup-function energy ✨

---

💖 NAME 💖

usb_get_dr_mode_from_string — get the dual role mode for a given string, periodt 💅

🌸 SYNOPSIS 🌸

here's the signature, literally in all its code-y glory:

enum usb_dr_mode usb_get_dr_mode_from_string (const char *str );

🎀 ARGUMENTS 🎀

• str — the string you want to find the corresponding dual role mode for 🔎

🦋 DESCRIPTION 🦋

okay so this function performs a lookup for the string you handed it, and it returns the corresponding enum usb_dr_mode. iconic behavior, honestly ✨

then it says: if no match for the string could be found,

and bestie, the source sentence literally stops there after the comma 😭 no extra ending, no cap. I'm not gonna invent the rest and pretend it's facts 🫠

💜 SEE ALSO 💜

Kernel file: ./drivers/usb/common/common.c — that's where this lives, iykyk 📁

the reference circle is giving USB-string decoder friend group realness 🌈

• usb_ep_type_string(9)
• usb_otg_state_string(9)
• usb_speed_string(9)
• usb_get_maximum_speed(9)
• usb_get_maximum_ssp_rate(9)
• usb_state_string(9)
• usb_get_role_switch_default_mode(9)
• usb_decode_interval(9)
• of_usb_get_dr_mode_by_phy(9)
• of_usb_host_tpl_support(9)
• of_usb_update_otg_caps(9)
• usb_of_get_companion_dev(9)

---

mwah 💋 — this one's from the ./drivers/usb/common source/version, dated October 2026 🫶