Comment 56 for bug 1040873

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Raymond (superquad-vortex2) wrote :

> c. Set the mode to "Analog Stereo Output" and then to "Analog Surround 5.1 output" in the sound settings panel.

it is unlikely that you can switch to 6-channels for hda_generic.c

it is not easy for your hack to steal the "Surround Playback Volume" and use it as headphone playback volume