FreeBSD manual
download PDF document: abtn.4.pdf
ABTN(4) FreeBSD Kernel Interfaces Manual ABTN(4)
NAME
abtn - ADB Keyboard Special Keys Driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device adb
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:
o Apple iBook Keyboard
o Apple PowerBook Keyboard
EVENTS
The abtn driver sends events to devd(8) for the following events under
the PMU system, and keys subsystem:
o brightness - Generates up and down notify types matching the pressed
key.
o mute
o volume - Generates up and down notify types matching the pressed key.
o 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.
FreeBSD 14.2-RELEASE October 16, 2011 FreeBSD 14.2-RELEASE