defaults.ctl.!card 2
pcm.dmixed {
        type asym
        playback.pcm {
                type dmix
                ipc_key 5678293
                ipc_perm 0660
                ipc_gid audio
                slave {
                        channels 6
                        pcm {
                                format S16_LE # S32_LE
                                rate 48000 # can also be 44100
                                type hw
                                card 2 # your card
                                device 0 # your device
                                subdevice 0 #important?
                        }

                        period_size 1024
                        buffer_size 8192
                }
                bindings {
                        0 0
                        1 1
                        2 2
                        3 3
                        4 4
                        5 5
                }
        }
        capture.pcm "hw:1"
}

pcm.!default {
        type plug
        slave.pcm "dmixed"
	slave.channels 6
	route_policy duplicate
}