STRUCT AMD_SFH_INFO(9)

💖 NAME 💖

struct amd_sfh_info - get HPD sensor info from MP2 FW

Okay so bestie, this is the struct amd_sfh_info(9) page from the Kernel API Manual, and it's literally the lil' struct situation for HPD sensor info from MP2 FW. It's giving sensor-info storage energy, and honestly? Iconic. 💅✨

🦋 SYNOPSIS 🦋

struct amd_sfh_info {
    u32 ambient_light;
    u8 user_present;
    u32 platform_type;
    u32 laptop_placement;
    u32 op_mode;
};

🎀 Members 🎀

• ambient_light — populates the ambient light information ✨ like, that's its whole job.
• user_present — populates the user presence information 👀 bestie is either there or not.
• platform_type — operating modes (clamshell, flat, tent, etc.) 🎪 the whole foldy-flip situation.
• laptop_placement — device states (ontable, onlap, outbag) 🛋️ where the laptop is at, fr fr.
• op_mode — the Operating-mode field (see enum sfh_dev_mode); it's used for tablet detection 📱 periodt.

🌈 SEE ALSO 🌈

Go peek at these too, bestie:

• Kernel file ./include/linux/amd-pmf-io.h
• enum sfh_message_type(9)
• enum sfh_hpd_info(9)
• enum sfh_dev_mode(9)
• struct amd_pmf_npu_metrics(9)

source/version: ./include/linux · date: October 2026 · page: struct amd_sfh_info(9) — byeee 🫶💖