pcm.!default {
        type hw
        card 0
}

ctl.!default {
        type hw
        card 0
}
pcm.mic_hw{
   type hw
   card memsmic
   channels 2
   format S32_LE
}
pcm.mic_mm{
   type mmap_emul
   slave.pcm mic_hw
}
pcm.mic_rt{
   type route
   slave.pcm mic_mm
   ttable.0.0 1
   ttable.0.1 0
   ttable.1.0 1
   ttable.1.1 0
}
pcm.mic_sv{
   type softvol
   slave.pcm mic_rt
   control {
      name "Boost Capture Volume"
      card memsmic
   }
   min_dB -3.0
   max_dB 50.0
}