new see line 146

root@moon131:~# cat /etc/asound.conf
</etc/pluto/alsa/virtual_cards.conf>

pcm_slave.spdif_convert48k {
	pcm "spdif:1,7"
	rate 48000
}

pcm.spdif_playback {
	type plug
	slave spdif_convert48k
}

pcm_slave.hdmi_convert48k {
	pcm "hdmi:1,7"
	rate 48000
}

pcm.hdmi_playback {
	type plug
	slave hdmi_convert48k
}

pcm.asym_spdif {
	type asym
	playback.pcm "spdif_playback"
	capture.pcm "plughw:1,7"
}

pcm.asym_hdmi {
	type asym
	playback.pcm "hdmi_playback"
	capture.pcm "plughw:1,7"
}

pcm.asym_analog {
	type asym
	playback.pcm "plug:dmix:1,7"
	capture.pcm "plughw:1,7"
}

pcm.!hdmi {
        @args [ AES0 AES1 AES2 AES3 ]
        @args.AES0 {
                type integer
                # consumer, not-copyright, emphasis-none, mode=0
                default 0x04
        }
        @args.AES1 {
                type integer
                # original, PCM coder
                default 0x00
        }
        @args.AES2 {
                type integer
                # source and channel
                default 0x00
        }
        @args.AES3 {
                type integer
                # fs=48000Hz, clock accuracy=1000ppm
                default 0x00
        }
        type hooks
        slave.pcm {
                type hw
                card 1
                device
        }
        hooks.0 {
                type ctl_elems
                hook_args [
                {
                        name "IEC958 Playback Default"
                        lock true
                        preserve true
                        value [ $AES0 $AES1 $AES2 $AES3 ]
                }
                {
                        name "IEC958 Playback Switch"
                        lock true
                        preserve true
                        value true
                }
                ]
        }
}
pcm.!default asym_hdmi