ENUM MTU3_DR_FORCE_MODE(9)

👑 enum mtu3_dr_force_mode(9) — a Kernel API Manual moment

okay bestie, listen up 💅 this is a page straight out of the Kernel API Manual, and it's all about one lil enum that tells you which way the USB port is leaning. it's giving "choose your fighter" energy and honestly? iconic.

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✨ NAME ✨

enum mtu3_dr_force_mode — literally just tells you the host/OTG operating mode 🦋

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🎀 SYNOPSIS 🎀

enum mtu3_dr_force_mode {
    MTU3_DR_FORCE_NONE ,
    MTU3_DR_FORCE_HOST ,
    MTU3_DR_FORCE_DEVICE

};

that's the whole squad right there. three members, no drama. 🫶

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🌸 Constants 🌸

• MTU3_DR_FORCE_NONE — the chill one 😌 automatically switches between host and peripheral mode by the IDPIN signal. no forcing, no meddling, it just vibes and lets the hardware decide.
• MTU3_DR_FORCE_HOST — the main character 🔥 forces the port into host mode and overrides the OTG IDPIN signal. yeah, you heard me — it does NOT care what IDPIN thinks. it said "I'm the host now" and meant it.
• MTU3_DR_FORCE_DEVICE — the plot twist 💀 forces the port into peripheral mode. that's it, that's the whole personality.

ngl these three are basically the entire personality test for your USB port. pick one and commit 💖

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🔍 SEE ALSO 🔍

all the friends in the same kernel friend group, no cap:

• Kernel file ./drivers/usb/mtu3/mtu3.h — enum mtu3_g_ep0_state(9)
• struct mtu3_fifo_info(9)
• struct qmu_gpd(9)
• struct mtu3_gpd_ring(9)
• struct otg_switch_mtk(9)
• struct ssusb_mtk(9)
• struct mtu3_ep(9)
• struct mtu3(9)

fr fr go read those next, they're the rest of the lore 🌈

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and that's the whole page bestie, you ate that 🍓 the source lives at ./drivers/usb/mtu3 and this drop is dated October 2026 — go off, enum mtu3_dr_force_mode(9), we love you 💜🧚