pcm.volume {
        type softvol
        slave {
                pcm "surround51"
        }
        control {
                name "Master"
                card 0
        }
        hint {
                show {
                        @func refer
                        name defaults.namehint.extended
                }
                description "Software Volume Control "
        }
}

pcm.!default {
        type plug  # with a plug device, so rate is converted automatically
        slave {
                pcm "volume"
        }
        hint {
                show {
                        @func refer
                        name defaults.namehint.extended
                }
                description "Playback in Surround 5.1 "
        }
}