led_classde...register_ext(9)

✨ led_classdev_flash_register_ext ✨

okay so bestie, welcome to the Kernel API Manual 💅 this one is led_classdev_flash_register_ext(9) and it's genuinely the glow-up moment for your flash LED — it registers a brand new object of the LED class, with init data, AND with support for flash LEDs 🔥 like it's not just a lil LED, it's a flash LED, she has range.

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🌸 NAME 🌸

led_classdev_flash_register_ext — register a new object of the LED class with init data, and with support for flash LEDs 💖

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🎀 SYNOPSIS 🎀

int led_classdev_flash_register_ext (struct device *parent , struct
led_classdev_flash *fled_cdev , struct led_init_data *init_data );

three args, one int, and a whole lot of LED potential ✨

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🦋 ARGUMENTS 🦋

• parent — the LED flash controller device that this flash LED is driven by 🫶 like, who's her parent, who's she attached to, that's this one.
• fled_cdev — the led_classdev_flash structure for this device 💫 this is the main character, the struct that is the flash LED.
• init_data — the LED class flash device initialization data 🌸 all the setup tea that goes in at the start.

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⭐ RETURN ⭐

0 on success, or a negative error value on failure 😭 ngl a negative return here is your vibe check failing, so check it fr fr.

no cap: read the return value. 0 = slay. negative = something's wrong, go fix it before you ship it 💀

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💜 SEE ALSO 💜

• Kernel file ./include/linux/led-class-flash.h — literally the header, go read it, iykyk 📖
• led_classdev_flash_unregister(9)
• led_set_flash_strobe(9)
• led_get_flash_strobe(9)
• led_set_flash_brightness(9)
• led_update_flash_brightness(9)
• led_set_flash_timeout(9)
• led_get_flash_fault(9)
• led_set_flash_duration(9)

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and that's the whole page bestie, you ate that 💅 the source for all this lives in ./include/linux, this edition is dated October 2026, and it's all from the Kernel API Manual — mwah, go register some flash LEDs, you've got this 👑🌈⭐