I found this, which might help: https://www.raspberrypi.org/documentation/configuration/audio-config.md
and this gives a little more: https://www.raspberrypi.org/forums/viewtopic.php?t=11086&p=122466 -- If you don't have any failures then you're not trying hard enough. - Dr. Charles Elachi, director of NASA's Jet Propulsion Laboratory ----- Website: http://miriam-english.org Blogs: http://miriam-e.dreamwidth.org http://miriam-e.livejournal.com
