Can you hear me? Ping? Linux, ALSA, Via 82xx and 7.1 Surround Sound

I’ve finally got some sort of surround sound going, but only by clicking a “duplicate front” button in alsamixer. There are still 3 speakers that I can’t hear a peep from!
It wasn’t plain sailing in Windows either! For an age I couldn’t hear anything from the back-speakers but after replacing the 3->4 cable that came with the speakers with an old 3->3 cable plus another, it worked. I’ll look at it later again.
Here’s some links for reference:

By Donncha

Donncha Ó Caoimh is a software developer at Automattic and WordPress plugin developer. He posts photos at In Photos and can also be found on Twitter.

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