On Tue, Apr 27, 2010 at 10:33 AM, Denis <denis....@gmail.com> wrote: > I have an optical out on my on-board Intel Hi Def audio controller > (also an Intel motherboard) and wanted to route the optical output to > my receiver, so I could play internet radio on my home audio system. > I got everything plugged in, but the receiver didn't pick up any > signal (I made sure all the right settings are selected on the > receiver). > > So my question... Is optical output supported in ALSA and the driver > for Intel High Definition audio controller? Do I have to compile with > any specific flags to get it working?
Check the file /usr/src/linux/Documentation/sound/alsa/HD-Audio-Models.txt and maybe you need to specify which model of HD-Audio chip your're using to enable the extra ports. I've never had much success with "auto" actually autodetecting the proper set-up.