Provided by: oss4-base_4.2-build2005-2ubuntu1_i386 bug


       oss_cmi878x - CMedia CMI8788 audio driver.


       Open Sound System driver for CMedia Electronics CMI8788 audio

       CMI87xx device characteristics:

              ·  8/16/24/32 bit playback/record

              ·  mono/stereo/4ch/5.1/7.1 playback

              ·  8KHz to 192Khz sample rate.

       The  CMedia  8788 device provides 3 types of devices. The first devices
       is a Multichannel full duplex device. The second device provides  Front
       Panel  audio  access and the SPDIF device provide SPDIF (Digital) audio

       The CMedia chip provides some unique features that are set  up  by  the
       Mixer chip. There are 3 mixer devices presented to the user.

       Main Mixer Panel (/dev/mixer0)

       ·  Master Mixer panel is for controlling output volumes for each of the
          8 channels.

       ·  Monitor buttons will allow you to monitor the input  from  the  Rear
          Panel inputs, Front Panel Inputs and SPDIF IN.

       ·  Speaker-Spread function duplicates the front channel output on all 8

       ·  SPDIF Loopback simply takes SPDIF Input and Plays it out  the  SPDIF
          Output.  panel.

              AC97 Input Mixer Panel (/dev/mixer1) This mixer panel is used to
              switch between the various inputs like line-in,  mic,  cd.  When
              the  Rear Panel Monitor button is check marked in the Main mixer
              panel, the IGAIN slider in this panel controls the level of  the
              input that can be hear on the speakers.

              AC97  Front  Panel  Mixer  (/dev/mixer2) This mixer controls the
              front panel ac97 device. It can  be  used  to  control  all  the
              volumes  and  inputs  as well as SPDIF output on the front panel




       /etc/oss4/conf/oss_cmi878x.conf Device configuration file


       4Front Technologies

                               05 February 2012                 oss_cmi878x(7)