!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Wed Mar  4 00:02:28 UTC 2020


!!Linux Distribution
!!------------------

ID_LIKE=debian


!!DMI Information
!!---------------

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  
Board Vendor:      
Board Name:        


!!ACPI Device Status Information
!!---------------



!!Kernel Information
!!------------------

Kernel release:    4.19.97-v7 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k4.19.97-v7 
Library version:    1.1.8
Utilities version:  1.1.8


!!Loaded ALSA modules
!!-------------------

snd_soc_rpi_wm8804_soundcard


!!Sound Servers on this system
!!----------------------------

No sound servers found.


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [sndrpihifiberry]: RPi-WM8804 - snd_rpi_hifiberry_digi
                      snd_rpi_hifiberry_digi


!!PCI Soundcards installed in the system
!!--------------------------------------



!!Modprobe options (Sound related)
!!--------------------------------

snd_pcsp: index=-2
snd_usb_audio: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2


!!Loaded sound module options
!!---------------------------

!!Module: snd_soc_rpi_wm8804_soundcard
	* : 


!!ALSA Device nodes
!!-----------------

crw-rw---- 1 root audio 116,  0 Mar  2 22:17 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 24 Mar  2 22:17 /dev/snd/pcmC0D0c
crw-rw---- 1 root audio 116, 16 Mar  2 22:17 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116,  1 Mar  2 22:17 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Mar  2 22:17 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Mar  2 22:17 .
drwxr-xr-x 3 root root 160 Mar  2 22:17 ..
lrwxrwxrwx 1 root root  12 Mar  2 22:17 platform-soc:sound -> ../controlC0


!!ALSA configuration files
!!------------------------

!!User specific config file (~/.asoundrc)

pcm.!default {
  type asym
  playback.pcm "LoopAndReal"
  #capture.pcm "looprec"
  capture.pcm "hw:0,0"
}

pcm.looprec {
    type hw
    card "Loopback"
    device 1
    subdevice 0
}


pcm.LoopAndReal {
  type plug
  slave.pcm mdev
  route_policy "duplicate"
}


pcm.mdev {
  type multi
  slaves.a.pcm pcm.MixReale
  slaves.a.channels 2
  slaves.b.pcm pcm.MixLoopback
  slaves.b.channels 2
  bindings.0.slave a
  bindings.0.channel 0
  bindings.1.slave a
  bindings.1.channel 1
  bindings.2.slave b
  bindings.2.channel 0
  bindings.3.slave b
  bindings.3.channel 1
}


pcm.MixReale {
  type dmix
  ipc_key 1024
  slave {
    pcm "hw:0,0"
    rate 48000
    #rate 44100
    periods 128
    period_time 0
    period_size 1024 # must be power of 2
    buffer_size 8192
  }
}

pcm.MixLoopback {
  type dmix
  ipc_key 1025
  slave {
    pcm "hw:Loopback,0,0"
    rate 48000
    #rate 44100
    periods 128
    period_time 0
    period_size 1024 # must be power of 2
    buffer_size 8192
  }
}


!!Aplay/Arecord output
!!--------------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_digi], device 0: HifiBerry Digi HiFi wm8804-spdif-0 [HifiBerry Digi HiFi wm8804-spdif-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_digi], device 0: HifiBerry Digi HiFi wm8804-spdif-0 [HifiBerry Digi HiFi wm8804-spdif-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card sndrpihifiberry

Card hw:0 'sndrpihifiberry'/'snd_rpi_hifiberry_digi'
  Mixer name	: ''
  Components	: ''
  Controls      : 1
  Simple ctrls  : 1
Simple mixer control 'Tx Source',0
  Capabilities: enum
  Items: 'S/PDIF RX' 'AIF'
  Item0: 'AIF'


!!Alsactl output
!!--------------

--startcollapse--
state.sndrpihifiberry {
	control.1 {
		iface MIXER
		name 'Tx Source'
		value AIF
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 'S/PDIF RX'
			item.1 AIF
		}
	}
}
--endcollapse--


!!All Loaded Modules
!!------------------

8021q
bcm2835_codec
bcm2835_mmal_vchiq
bcm2835_v4l2
binfmt_misc
bluetooth
bnep
brcmfmac
brcmutil
btbcm
cfg80211
ecdh_generic
fixed
garp
hci_uart
hwmon
i2c_bcm2835
ip_tables
ipv6
llc
media
nf_tables
nfnetlink
raspberrypi_hwmon
rfkill
serdev
sha256_generic
snd
snd_compress
snd_pcm
snd_pcm_dmaengine
snd_soc_bcm2835_i2s
snd_soc_core
snd_soc_rpi_wm8804_soundcard
snd_soc_wm8804
snd_soc_wm8804_i2c
snd_timer
stp
uio
uio_pdrv_genirq
v4l2_common
v4l2_mem2mem
vc_sm_cma
videobuf2_common
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
x_tables


!!ALSA/HDA dmesg
!!--------------