wmi_get_acpi_device_uid(9)

💅 wmi_get_acpi_device_uid(9) — the Kernel API Manual page bestie edition ✨

okay so this is a page from the Kernel API Manual, and it's called wmi_get_acpi_device_uid — say that five times fast, i literally can't 😭

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🌸 NAME 🌸

wmi_get_acpi_device_uid — grab the _UID name of the ACPI device that defines a GUID. warning bestie: this one is deprecated 💀 (still here, still slaying, but like… retired slay)

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✨ SYNOPSIS ✨

char * wmi_get_acpi_device_uid (const char *guid_string );

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🎀 ARGUMENTS 🎀

• guid_string — a 36 char string, and it looks exactly like this: fa50ff2b-f2e8-45de-83fa-65417f2f49ba. yes, all 36 characters, no shortcuts, no vibes-only, the whole thing 💖

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🦋 DESCRIPTION 🦋

So what it does: it finds the _UID of the ACPI device that's associated with this WMI GUID. that's it, that's the whole plot 🫶

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⭐ RETURN ⭐

It gives you back the ACPI _UID field value ✨ — or NULL if the WMI GUID was not found, in which case… no vibes, no UID, just NULL 😭

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🌈 SEE ALSO 🌈

Kernel file ./drivers/platform/wmi/core.c — go read the source, iykyk 👑

• wmi_instance_count(9)
• wmidev_instance_count(9)
• wmi_evaluate_method(9)
• wmidev_evaluate_method(9)
• wmidev_invoke_method(9)
• wmidev_invoke_procedure(9)
• wmi_query_block(9)
• wmidev_block_query(9)
• wmidev_query_block(9)
• wmi_set_block(9)
• wmidev_block_set(9)
• wmidev_set_block(9)
• wmi_install_notify_handler(9)
• wmi_remove_notify_handler(9)
• wmi_has_guid(9)
• wmi_driver_unregister(9)

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fr fr bestie, that's a whole friend group of manpages and they all ate 💅

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and that's the tea 🍓 this page lives in ./drivers/platform/wmi, it's stamped October 2026, and the manual is the Kernel API Manual — mwah, drink water, close your brackets, bye 💜🧚