backlight_update_status(9)

💖 backlight_update_status(9) 💖

okay so bestie, welcome to the Kernel API Manual — yes that's the manual name, we're in the big-leagues section 9, kernel-space only, no userspace shenanigans here 🎀

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✨ NAME ✨

backlight_update_status — force an update of the backlight device status

like, force it. no waiting around, no "maybe later", we're poking the backlight and making it re-evaluate its whole vibe check right now 🔥

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🌸 SYNOPSIS 🌸

int backlight_update_status (struct backlight_device *bd );

it returns an int, it takes exactly one thing, and that thing is a struct backlight_device * named bd. that's the whole signature, no cap 💅

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🦋 ARGUMENTS 🦋

• bd — the backlight device. literally just the backlight device. that's her. that's the one you're updating 🫶

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👑 SEE ALSO 👑

if you're the kind of person who reads the whole friend group's lore (and you should be, iykyk), go look at:

• Kernel file ./include/linux/backlight.h
• enum backlight_update_reason(9)
• enum backlight_type(9)
• struct backlight_ops(9)
• struct backlight_properties(9)
• struct backlight_device(9)
• backlight_enable(9)
• backlight_disable(9)
• backlight_is_blank(9)
• backlight_get_brightness(9)
• bl_get_data(9)

all of these are your study materials, bestie. read them, love them, they're iconic 🌈

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ngl the header of this page is backlight_update_status(9) and it lives in the Kernel API Manual — that's the manual name, we said it up top and we're saying it again because consistency is main character energy ✨

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and that's the whole page, gorgeous 💖 no more sections, no hidden options, that's genuinely it.

kisses from the kernel tree, mwah 💋 — this one comes from source/version ./include/linux, dated October 2026. periodt. 🎀