ABL(4) | Device Drivers Manual | ABL(4)

# NAME

`abl` — Apple backlight support

# SYNOPSIS

`abl* at acpi?`

# DESCRIPTION

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.

# SEE ALSO

acpi(4), intro(4), wsconsctl(8)

# HISTORY

The `abl` driver first appeared in OpenBSD 6.8.

# AUTHORS

The `abl` driver was written by Marcus Glocker <mglocker@openbsd.org>.

October 25, 2020 | Debian