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alsa: add asound.conf sample for double output on acer revo 36x0, thanks to stefan
Signed-off-by: Stephan Raue <stephan@openelec.tv>
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Stephan Raue
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packages/audio/alsa/config/asound.conf_double-revo.sample
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248
packages/audio/alsa/config/asound.conf_double-revo.sample
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# http://forum.xbmc.org/showpost.php?p=599791&postcount=41
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# ALSA configuration file
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##### USAGE #####
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# Save this file as "~/.asoundrc" (for user-specific sound configuration) or
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# "/etc/asound.conf" (for system-wide sound configuration) and specify ALSA
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# device names ad described in the next section.
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##### DEVICE NAMES #####
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# This configuration file defines four devices for use by the user. Those
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# devices are "analog", "mixed-analog", "digital", and "mixed-digital". The
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# user may also re-define "default" to be identical to one of the above-named
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# devices (i.e. to send all sound output to the digital output unless otherwise
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# specified). Use the device names as described below:
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# - "analog" outputs to the analog output directly and (at least on software
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# sound cards) blocks other audio output. After playback completes, "queued"
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# sounds are output in sequence.
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# - "mixed-analog" mixes audio output from multiple programs into the analog
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# output (so you can hear beeps, alerts, and other noises while playing back
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# an audio stream).
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# - "digital" outputs to the digital output directly. Since most (all?)
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# digital outputs expect 48kHz PCM audio, this may not work for some playback
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# (i.e. CD's--which are 44.1kHz PCM audio--or 32kHz audio streams from TV
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# recordings, etc.).
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# - "mixed-digital"
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# All other devices created within this file are used only by the configuration
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# file itself and should /not/ be used directly. In other words, do not use
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# the devices "analog-hw", "dmix-analog", "digital-hw", or "dmix-digital".
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##### IMPORTANT #####
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# To make this ALSA configuration file work with your sound card, you will need
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# to define the appropriate card and device information for the "analog-hw" and
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# "digital-hw" devices below. You can find the card and device information
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# using "aplay -l".
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# Alias for (converted) analog output on the card
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# - This is identical to the device named "default"--which always exists and
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# refers to hw:0,0 (unless overridden)
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# - Therefore, we can specify "hw:0,0", "default", or "analog" to access analog
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# output on the card
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# - Note that as of ALSA 1.0.9, "software" sound card definitions redefine
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# "default" to do mixing, meaning this device is different from "default" and
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# allows playback while blocking other sound sources (until playback
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# completes).
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pcm.analog {
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type plug
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slave.pcm "analog-hw"
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hint {
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show on
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description "Analog Output - Use analog outputs, converting samples, format, and rate as necessary."
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}
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}
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# Control device (mixer, etc.) for the card
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ctl.analog {
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type hw
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card 0
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}
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# Alias for (converted) mixed analog output on the card
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# - This will accept audio input--regardless of rate--and convert to the rate
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# required for the dmix plugin (in this case 48000Hz)
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# - Note that as of ALSA 1.0.9, "software" sound card definitions redefine
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# "default" to do mixing, meaning this device is identical to "default" for
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# "software" sound cards.
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pcm.mixed-analog {
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type plug
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slave.pcm "dmix-analog"
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hint {
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show on
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description "Mixed Analog Output - Use analog outputs, converting samples, format, and rate as necessary. Allows mixing with system sounds."
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}
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}
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# Control device (mixer, etc.) for the card
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ctl.mixed-analog {
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type hw
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card 0
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}
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# Alias for (converted) digital (HDMI) output on the card
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pcm.digital {
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type plug
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slave.pcm "digital-hw"
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hint {
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show on
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description "Digital Output - Use digital outputs, converting samples, format, and rate as necessary."
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}
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}
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# Control device (mixer, etc.) for the card
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ctl.digital {
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type hw
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card 0
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}
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# Alias for mixed (converted) digital (HDMI) output on the card
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pcm.mixed-digital {
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type plug
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slave.pcm "dmix-digital"
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hint {
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show on
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description "Mixed Digital Output - Use digital outputs, converting samples, format, and rate as necessary. Allows mixing with system sounds."
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}
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}
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# Control device (mixer, etc.) for the card
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ctl.mixed-digital {
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type hw
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card 0
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}
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# The following devices are not useful by themselves. They require specific
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# rates, channels, and formats. Therefore, you probably do not want to use
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# them directly. Instead use of of the devices defined above.
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# Alias for analog output on the card
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# Do not use this directly--it requires specific rate, channels, and format
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pcm.analog-hw {
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type hw
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card 0
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device 0
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}
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# Control device (mixer, etc.) for the card
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ctl.analog-hw {
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type hw
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card 0
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}
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# Alias for digital (HDMI) output on the card
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# Do not use this directly--it requires specific rate, channels, and format
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pcm.digital-hw {
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type hw
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card 0
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device 3
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}
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# Control device (mixer, etc.) for the card
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ctl.digital-hw {
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type hw
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card 0
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}
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# Direct software mixing plugin for analog output on the card
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# Do not use this directly--it requires specific rate, channels, and format
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pcm.dmix-analog {
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type dmix
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ipc_key 1234
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slave {
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pcm "analog-hw"
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period_time 0
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period_size 1024
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buffer_size 4096
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rate 48000
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}
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}
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# Control device (mixer, etc.) for the card
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ctl.dmix-analog {
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type hw
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card 0
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}
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# Direct software mixing plugin for digital (S/PDIF) output on the card
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# Do not use this directly--it requires specific rate, channels, and format
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pcm.dmix-digital {
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type dmix
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ipc_key 1235
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slave {
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pcm "digital-hw"
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period_time 0
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period_size 1024
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buffer_size 4096
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rate 48000
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}
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}
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# Control device (mixer, etc.) for the card
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ctl.dmix-digital {
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type hw
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card 0
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}
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# Make joint analog/HDMI the default
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pcm.!default {
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type plug
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slave {
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pcm multi
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rate 48000
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}
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ttable.0.0 1.0
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ttable.1.1 1.0
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ttable.0.2 1.0
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ttable.1.3 1.0
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}
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# Control device (mixer, etc.) for the card
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ctl.!default {
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type hw
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card 0
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}
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pcm.xbmc {
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type plug
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slave {
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pcm multi
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rate 48000
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channels 4
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}
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ttable.0.0 1.0
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ttable.1.1 1.0
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ttable.0.2 1.0
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ttable.1.3 1.0
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}
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ctl.xbmc {
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type hw
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card 0
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}
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pcm.multi {
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type multi
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slaves.a.pcm "analog-hw"
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slaves.a.channels 2
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slaves.b.pcm "digital-hw"
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slaves.b.channels 2
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bindings.0.slave a
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bindings.0.channel 0
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bindings.1.slave a
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bindings.1.channel 1
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bindings.2.slave b
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bindings.2.channel 0
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bindings.3.slave b
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bindings.3.channel 1
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}
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ctl.multi {
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type hw
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card 0
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}
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