Mine

        pcm.cs5535audio {
           type hw
           card 0
        slave {      
                pcm "hw:0,1"
                rate 48000
                channels 2
                period_time 0
                period_size 1024
                buffer_time 0
                buffer_size 1024
        }
        }

        ctl.cs5535audio {
           type hw
           card 0
        }