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AMD High Definition Audio Device suddenly only allowing stereo configuration.

Question asked by deadudea on Nov 10, 2016

My HDMI output was previously playing through my surround sound, but it is no longer allowing this. What happened? I'm not sure what relevant information is needed for this, I'm using an AMD R9 380 which has an HDMI output. I know this was passing through all channels a few days ago, but now I only see the two channel configuration. I've checked for updated drivers, reinstalling, and no luck.