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

!!Script ran on: Fri Apr 20 07:10:30 UTC 2018


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.14.34-v7 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k4.14.34-v7 
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_bcm2835
snd_soc_seeed_voicecard


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

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - No


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

 0 [ALSA           ]: bcm2835_alsa - bcm2835 ALSA
                      bcm2835 ALSA
 1 [seeed4micvoicec]: seeed-4mic-voic - seeed-4mic-voicecard
                      seeed-4mic-voicecard


!!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_bcm2835
	enable_compat_alsa : Y
	enable_hdmi : N
	enable_headphones : N
	force_bulk : N

!!Module: snd_soc_seeed_voicecard
	* : 


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

crw-rw---- 1 root audio 116,  0 Apr 19 15:17 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 32 Apr 19 15:34 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 16 Apr 19 15:17 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 17 Apr 19 15:17 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 56 Apr 19 15:34 /dev/snd/pcmC1D0c
crw-rw---- 1 root audio 116,  1 Apr 19 15:17 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Apr 19 15:17 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Apr 19 15:34 .
drwxr-xr-x 3 root root 200 Apr 19 15:34 ..
lrwxrwxrwx 1 root root  12 Apr 19 15:17 platform-soc:audio -> ../controlC0
lrwxrwxrwx 1 root root  12 Apr 19 15:34 platform-soc:sound -> ../controlC1


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

!!System wide config file (/etc/asound.conf)

# The IPC key of dmix or dsnoop plugin must be unique
# If 555555 or 666666 is used by other processes, use another one

pcm.!default {
    type asym
    playback.pcm "playback"
    capture.pcm "ac108"
}

pcm.playback {
    type plug
    slave.pcm "hw:0,0"
}

pcm.dmixed {
    type dmix
    slave.pcm "hw:0,0"
    ipc_key 555555 
}

pcm.ac108 {
    type plug
    slave.pcm "multiapps"
}

pcm.multiapps {
    type dsnoop
slave.pcm "hw:1,0"
    ipc_key 666666
}


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
  Subdevices: 7/7
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
  Subdevice #4: subdevice #4
  Subdevice #5: subdevice #5
  Subdevice #6: subdevice #6
card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: seeed4micvoicec [seeed-4mic-voicecard], device 0: bcm2835-i2s-ac10x-codec0 ac10x-codec0-0 []
  Subdevices: 0/1
  Subdevice #0: subdevice #0

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

!!-------Mixer controls for card 0 [ALSA]

Card hw:0 'ALSA'/'bcm2835 ALSA'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 6
  Simple ctrls  : 1
Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback -10239 - 400
  Mono: Playback 400 [100%] [4.00dB] [on]

!!-------Mixer controls for card 1 [seeed4micvoicec]:]

Card hw:1 'seeed4micvoicec'/'seeed-4mic-voicecard'
  Mixer name	: ''
  Components	: ''
  Controls      : 8
  Simple ctrls  : 8
Simple mixer control 'ADC1 PGA gain',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 31
  Mono: 31 [100%]
Simple mixer control 'ADC2 PGA gain',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 31
  Mono: 31 [100%]
Simple mixer control 'ADC3 PGA gain',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 31
  Mono: 31 [100%]
Simple mixer control 'ADC4 PGA gain',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 31
  Mono: 31 [100%]
Simple mixer control 'CH1 digital volume',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 255
  Mono: 172 [67%]
Simple mixer control 'CH2 digital volume',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 255
  Mono: 172 [67%]
Simple mixer control 'CH3 digital volume',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 255
  Mono: 172 [67%]
Simple mixer control 'CH4 digital volume',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 255
  Mono: 172 [67%]


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

--startcollapse--
state.ALSA {
	control.1 {
		iface MIXER
		name 'PCM Playback Volume'
		value 400
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 400
		}
	}
	control.2 {
		iface MIXER
		name 'PCM Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.3 {
		iface MIXER
		name 'PCM Playback Route'
		value 1
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 2'
		}
	}
	control.4 {
		iface PCM
		name 'IEC958 Playback Default'
		value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write'
			type IEC958
			count 1
		}
	}
	control.5 {
		iface PCM
		name 'IEC958 Playback Con Mask'
		value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access read
			type IEC958
			count 1
		}
	}
	control.6 {
		iface PCM
		name 'IEC958 Playback PCM Stream'
		value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write inactive'
			type IEC958
			count 1
		}
	}
}
state.seeed4micvoicec {
	control.1 {
		iface MIXER
		name 'CH1 digital volume'
		value 172
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 255'
			dbmin -11925
			dbmax 7200
			dbvalue.0 975
		}
	}
	control.2 {
		iface MIXER
		name 'CH2 digital volume'
		value 172
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 255'
			dbmin -11925
			dbmax 7200
			dbvalue.0 975
		}
	}
	control.3 {
		iface MIXER
		name 'CH3 digital volume'
		value 172
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 255'
			dbmin -11925
			dbmax 7200
			dbvalue.0 975
		}
	}
	control.4 {
		iface MIXER
		name 'CH4 digital volume'
		value 172
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 255'
			dbmin -11925
			dbmax 7200
			dbvalue.0 975
		}
	}
	control.5 {
		iface MIXER
		name 'ADC1 PGA gain'
		value 31
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 31'
			dbmin 0
			dbmax 3100
			dbvalue.0 3100
		}
	}
	control.6 {
		iface MIXER
		name 'ADC2 PGA gain'
		value 31
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 31'
			dbmin 0
			dbmax 3100
			dbvalue.0 3100
		}
	}
	control.7 {
		iface MIXER
		name 'ADC3 PGA gain'
		value 31
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 31'
			dbmin 0
			dbmax 3100
			dbvalue.0 3100
		}
	}
	control.8 {
		iface MIXER
		name 'ADC4 PGA gain'
		value 31
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 31'
			dbmin 0
			dbmax 3100
			dbvalue.0 3100
		}
	}
}
--endcollapse--


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

Module
snd_soc_bcm2835_i2s
spidev
spi_bcm2835
i2c_dev
cmac
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
brcmfmac
brcmutil
cfg80211
rfkill
i2c_bcm2835
uio_pdrv_genirq
uio
fixed
snd_soc_wm8960
snd_soc_ac108
snd_soc_seeed_voicecard
snd_soc_simple_card_utils
snd_soc_core
snd_compress
snd_pcm_dmaengine
snd_bcm2835
snd_pcm
snd_timer
snd
ip_tables
x_tables
ipv6


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

[    8.725928] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    8.941070] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    8.948793] bcm2835_alsa bcm2835_alsa: card created with 8 channels
[    9.071323] snd_soc_seeed_voicecard: loading out-of-tree module taints kernel.
[    9.303973] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
--
[   54.382118] ac108_set_sysclk  :24000000
[   54.385936] seeed-voicecard soc:sound: ac10x-codec0 <-> 3f203000.i2s mapping ok
[   59.297943] bcm2835-i2s 3f203000.i2s: I2S SYNC error!