FreeBSD manual
download PDF document: snd_ai2s.4.pdf
SND_AI2S(4) FreeBSD Kernel Interfaces Manual SND_AI2S(4)
NAME
snd_ai2s - Apple I2S audio device driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device sound
device snd_ai2s
Alternatively, to load the driver as a module at boot time, place the
following line in loader.conf(5):
snd_ai2s_load="YES"
DESCRIPTION
The snd_ai2s driver provides support for the Apple I2S audio controllers
found predominantly in G4 and G5 machines, along with the snapper and
tumbler codecs. Some machines (e.g. the Mac Mini) do not have
configurable codecs and so lack hardware volume control.
HARDWARE
Chips supported by the snd_ai2s driver include:
o Apple Tumbler Audio
o Apple Snapper Audio
SEE ALSO
snd_davbus(4), sound(4)
HISTORY
The snd_ai2s device driver appeared in NetBSD 2.0 and then in
FreeBSD 8.0.
AUTHORS
The snd_ai2s driver was written by Tsubai Masanari <tsubai@netbsd.org>,
and ported to FreeBSD by Marco Trillo <marcotrillo@gmail.com>.
BUGS
Recording and operation with non-44.1 Khz audio are not currently
supported.
FreeBSD 14.0-RELEASE-p11 January 20, 2009 FreeBSD 14.0-RELEASE-p11