Oh, just thought of this. Make sure the HP/Speaker Auto detect is off, then switch to surround using the "Output Source" control in alsamixer. If auto-detect is on, it'll never switch to surround, because it only auto-detects headphone and lineout.
Oh, just thought of this. Make sure the HP/Speaker Auto detect is off, then switch to surround using the "Output Source" control in alsamixer. If auto-detect is on, it'll never switch to surround, because it only auto-detects headphone and lineout.