Mine

syman@Cyber-Goth:~$ cat .asoundrc
pcm.emu10k1 {
           type hw
           card 0
        }

        ctl.emu10k1 {
           type hw
           card 0
        }

# setups the speakers for 7.1

pcm.ch51dup {
        slave.pcm surround51
        slave.channels 6
        type route
        ttable.0.0 1
        ttable.1.1 1
        ttable.0.2 1
        ttable.1.3 1
        ttable.0.4 0.5
        ttable.1.4 0.5
        ttable.0.5 0.5
        ttable.1.5 0.5
}