options snd_soc_simple_card index=0
options snd_soc_rpi_proto index=0
options snd_soc_seeed_voicecard index=0
options snd_bcm2835 index=1
options snd slots=snd_soc_simple_card,snd_soc_rpi_proto,snd_soc_seeed_voicecard,snd_bcm2835