hid_open_report(9)

💖 hid_open_report(9) 💖

okay so bestie, welcome to the Kernel API Manual ✨ this page is literally about hid_open_report(9), and it’s giving “open a driver-specific device report” energy 💅

✨ NAME ✨

• hid_open_report — open a driver-specific device report 🎀

🦋 SYNOPSIS 🦋

int hid_open_report (struct hid_device *device );

🌸 ARGUMENTS 🌸

• device — hid device 🫶 (yes bestie, that’s the whole argument, and it’s iconic).

🧚 DESCRIPTION 🧚

So what’s the tea? This function parses a report description into a hid_device structure. Reports are enumerated, and fields are attached to these reports. 0 is returned on success; otherwise you get a nonzero error value. ✨

⚠️ lowkey critical: this function (or the equivalent hid_parse macro) should only be called from probe in drivers, before starting the device. That’s the rule, bestie — periodt. 💅

🌈 SEE ALSO 🌈

Kernel file ./drivers/hid/hid-core.c 🌸 and the whole squad:

• hid_parse_report(9)
• hid_validate_values(9)
• hid_match_report(9)
• hid_match_usage(9)
• hid_input_report(9)
• hid_safe_input_report(9)
• hid_hw_start(9)
• hid_hw_stop(9)
• hid_hw_open(9)
• hid_hw_close(9)
• hid_hw_request(9)
• hid_hw_raw_request(9)
• hid_hw_output_report(9)
• new_id_store(9)
• hid_compare_device_paths(9)
• hid_allocate_device(9)
• hid_destroy_device(9)

mwah 💋 — source/version: ./drivers/hid and date: October 2026, page: hid_open_report(9) 🌈✨