PowerMac (AWACS, DACA, Burgundy, Tumbler, Keywest)

modulename: snd-powermac.ko

configname: CONFIG_SND_POWERMAC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound
└─>Advanced Linux Sound Architecture
└─>ALSA PowerMac devices
└─>I2C support
└─>PowerMac (AWACS, DACA, Burgundy, Tumbler, Keywest)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to include support for the integrated sound device.

To compile this driver as a module, choose M here: the module
will be called snd-powermac.

source code:
sound/ppc//