ABL(4)

💖 ABL(4) — like, the Apple backlight girlies' manual page 💖

okay so this is a page from the Kernel Interfaces Manual, section 4, and it's all about abl — and honestly? she's niche, she's specific, she's iconic. let's get into it 🎀

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✨ NAME ✨

abl — Apple backlight support 💡

like, literally the driver that handles the backlight. that's her whole thing. no cap.

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✨ SYNOPSIS ✨

abl* at acpi?

that's it. that's the whole config line. short, sweet, main character energy 🫶

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✨ DESCRIPTION ✨

so the abl driver enables access to the backlight that lives inside Intel based Apple iMac computers 🖥️✨ like yes, specifically those. it's giving very specific era, very specific machine, and we respect it.

what does it actually do? it gives you brightness control through the wsconsctl(8) variable display.brightness 🌈 so you can dim your screen at 3am like a responsible human instead of getting absolutely flashbanged by your own iMac. obsessed.

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✨ SEE ALSO ✨

the friend group 🫶 go check them out:

• acpi(4)
• intro(4)
• wsconsctl(8)

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✨ HISTORY ✨

the abl driver first appeared in OpenBSD 6.8 🎀 a whole era. we love a documented debut.

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✨ AUTHORS ✨

the abl driver was written by Marcus Glocker <mglocker@openbsd.org> 👑 give her the credit, she earned it.

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bestie reminder 💅 this page is from the Debian packaging of the manual, and it's dated October 25, 2020 — that's the version/date info, not me being nosy. slay, go adjust your brightness responsibly ✨🦋🌸