led_add_lookup(9)

🎀 led_add_lookup(9) 🎀

okay bestie, this page is from the Kernel API Manual, and it’s a tiny function with major “let there be light” energy ✨ It adds a LED lookup table entry, and on systems without devicetree, that lookup table is what led_get uses to find LEDs. Slay.

✨ NAME ✨

led_add_lookup — add a LED lookup table entry 💡

📜 SYNOPSIS 📜

void led_add_lookup (struct led_lookup_data *led_lookup );

🧚 ARGUMENTS 🧚

• led_lookup — the lookup table entry to add. That’s the whole assignment, bestie 🫶

💫 DESCRIPTION 💫

Add a LED lookup table entry. On systems without devicetree, the lookup table is used by led_get to find LEDs. No cap, that’s the vibe: no devicetree? the lookup table is the main character for led_get 🔥

🔗 SEE ALSO 🔗

Kernel file ./drivers/leds/led-class.c — plus the whole friend group:

• led_classdev_suspend(9)
• led_classdev_resume(9)
• fwnode_led_get(9)
• led_put(9)
• devm_of_led_get(9)
• led_get(9)
• devm_led_get(9)
• led_remove_lookup(9)
• devm_of_led_get_optional(9)
• led_classdev_register_ext(9)
• led_classdev_unregister(9)
• devm_led_classdev_register_ext(9)
• devm_led_classdev_unregister(9)

kay bye bestie — source spot is ./drivers/leds, date is October 2026, and the page is led_add_lookup(9). periodt 💅🌈