NAME

abtn — ADB Keyboard Special Keys Driver

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:

DESCRIPTION

The abtn driver provides support for the extended Fn keys on Apple notebooks with an ADB interface.

HARDWARE

The abtn driver supports extended keyboard keys (special F-keys) on the following devices:

• Apple iBook Keyboard
• Apple PowerBook Keyboard

EVENTS

The abtn driver sends events to devd(8) for the following events under the PMU system, and keys subsystem:

• brightness - Generates up and down notify types matching the pressed key.
• mute
• volume - Generates up and down notify types matching the pressed key.
• eject

Examples are included in /etc/devd/apple.conf.

SEE ALSO

adb(4), akbd(4), cuda(4), pmu(4), devd(8)

HISTORY

The abtn device driver first appeared in NetBSD 5.0 and was ported to FreeBSD 10.0.

AUTHORS

The abtn driver was written by Tsubai Masanari for NetBSD and ported to FreeBSD by Justin Hibbits.