abl(4)

abl4

Apple backlight support

Usage

abl* at acpi?

Overview

The abl driver enables access to the backlight found in Intel based Apple iMac computers. It provides brightness control using the wsconsctl(8) variable display.brightness.

Releases

14 releases since OpenBSD 6.8; the text changed 1 time.

  1. 6.8
  2. 6.9–8.0

History

The abl driver first appeared in OpenBSD 6.8.

Authors

The abl driver was written by Marcus Glocker ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.