# Use the Google Voice HAT soundcard as the primary device by name (card id is "sndrpigooglevoi") options snd_rpi_googlevoicehat_soundcard index=0 # Software playback volume (adjust with: amixer -c0 sset 'SoftMaster' 70%) pcm.softvol { type softvol slave.pcm "plughw:0,0" control { name "SoftMaster" card 0 } min_dB -51.0 max_dB 0.0 } # Defaults: playback through softvol, capture raw on the HAT pcm.!default { type asym playback.pcm "softvol" capture.pcm "hw:0,0" } ctl.!default { type hw card 0 }