# Use the Google Voice HAT soundcard as the primary device by name (card id is "sndrpigooglevoi")
options snd_rpi_googlevoicehat_soundcard index=0

# Mix multiple playback clients in software with a fixed low-cost format.
pcm.dmixer {
    type dmix
    ipc_key 1024
    ipc_perm 0666
    slave {
        pcm "hw:0,0"
        format S16_LE
        rate 16000
        channels 1
        period_time 0
        period_size 1024
        buffer_size 4096
    }
}

# Software playback volume (adjust with: amixer -c0 sset 'SoftMaster' 70%)
pcm.softvol {
    type softvol
    slave.pcm "dmixer"
    control {
        name "SoftMaster"
        card 0
    }
    min_dB -51.0
    max_dB 0.0
}

# Allow clients with mismatched sample formats/rates to use the mixer.
pcm.playback {
    type plug
    slave.pcm "softvol"
}

# Defaults: playback through shared mixer + softvol, capture raw on the HAT
pcm.!default {
    type asym
    playback.pcm "playback"
    capture.pcm "hw:0,0"
}

ctl.!default {
    type hw
    card 0
}