pcm.merge {
type multi;
slaves.a.pcm hw:0,0
slaves.a.channels 8;
slaves.b.pcm hw:0,1
slaves.b.channels 2;
bindings.0.slave a;
bindings.0.channel 0;
bindings.1.slave a;
bindings.1.channel 1;
bindings.2.slave a;
bindings.2.channel 2;
bindings.3.slave a;
bindings.3.channel 3;
bindings.4.slave a;
bindings.4.channel 4;
bindings.5.slave a;
bindings.5.channel 5;
bindings.6.slave a;
bindings.6.channel 6;
bindings.7.slave a;
bindings.7.channel 7;
bindings.8.slave b;
bindings.8.channel 0;
bindings.9.slave b;
bindings.9.channel 1;
}

ctl.merge {
    type hw
    card 0
}