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PWMLEDS(4) Device Drivers Manual PWMLEDS(4)

pwmledsPWM LEDs

pwmleds* at fdt?

The pwmleds driver provides support for LEDs controlled by Pulse Width Modulation (PWM).

Currently, only keyboard backlight LEDs are supported.


The pwmleds driver first appeared in OpenBSD 7.3.

The pwmleds driver was written by Mark Kettenis <>.

November 23, 2022 OpenBSD-current