
1. To use SLAC driver make sure that telephony support is enabled 
   in .config file under linux directory

CONFIG_PHONE=y

2. slactest.c contains a simple sample application which opens
   the phone device (/var/phone0) and turns on and off the ringer.
   A phone device /var/phone0 can be created  using mknod
   mknod /var/phone0 c 100 0


