pcm.hda-intel-hw {
        type hw
        card 0
}

pcm.hda-intel {
        type dmix
        ipc_key 1234
        slave {
                pcm "hw:0,0"
        }
        bindings {
                0 0
                1 1
        }
}

ctl.hda-intel-hw {
        type hw
        card 0
}

pcm.usb-audio-hw {
        type hw
        card 1
}

pcm.usb-audio {
        type dmix
        ipc_key 4321
        slave {
                pcm "hw:1,0"
        }
        bindings {
                0 0
                1 1
        }
}

ctl.usb-audio-hw {
        type hw
        card 1
}