PWMBL(4)

💖 PWMBL(4) — like, the PWM backlight controller era 💖

okay so bestie, welcome to pwmbl(4), a page from the Kernel Interfaces Manual ✨ pull up a chair, this one's short but it's iconic 🎀

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🌸 NAME 🌸

pwmbl — the PWM backlight controller, no cap 💅

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🦋 SYNOPSIS 🦋

pwmbl* at fdt?

that's it. that's the whole config line. she's lowkey minimal and I respect it 🫶

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✨ DESCRIPTION ✨

okay so the pwmbl driver is the main character for backlight controllers that are driven by a PWM signal 🔥 that's literally the vibe check: PWM signal goes in, backlight gets controlled, screen brightness slays 💡💅

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👑 SEE ALSO 👑

• intro(4) — go read it, bestie, it's giving "start here" energy 🌈

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⭐ HISTORY ⭐

the pwmbl device driver first appeared in OpenBSD 6.7 🎀 so she's been around. a whole era. not me being obsessed with a driver's origin story 😭

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💜 AUTHORS 💜

the pwmbl driver was written by Krystian Lewandowski — tysm for your service king 👑🫶

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ok that's the whole page!! short and sweet, no filler, we love a concise queen 💖

debian-flavored energy, dated October 22, 2019 🌸 mwah, bye bestie!! 💋✨