On Mon, Dec 6, 2010 at 6:01 AM, Colin Guthrie <gmane at colin.guthr.ie> wrote: > Simplest solution would just be to force this to 8ch all the time but if > that doesn't work we'll have to be smarter (enabling 8ch only when using > surround71 and setting it to 6ch at all other times). We need to be smarter. Other codecs have a choice of 2ch, 6ch, 8ch (as relevant), and setting it undesirably/incorrectly results in channels being mapped to incorrect outputs. Best, -Dan