[ALSA] one stereo duplex device -> 2 mono duplex devices

pcm.myhw {
        type hw
        card "Intel"
        device 0

        rate 48000
        format S16
        channels 2
}

pcm.mymix {
        type dmix

        ipc_key 4535
        ipc_perm 0666

        slave.pcm "myhw"
        slave.channels 2
}

pcm.myplug {
        type plug

        slave.pcm "mymix"
        slave.channels 2
}


pcm.mono1 {
        type route

        slave.pcm "myplug"
        slave.channels 2

        ttable.0.0 1
        ttable.0.1 0
}

pcm.mono2 {
        type route

        slave.pcm "myplug"
        slave.channels 2

        ttable.0.0 0
        ttable.0.1 1
}