pi@pibell:~/pjproject-2.7.2/pjsip-apps/bin $ cat /tmp/alsa-info.txt.cyNQNGAS2D
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Fri Mar  2 18:02:58 UTC 2018


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.9.59-v7+
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k4.9.59-v7+
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_soc_simple_card


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

Jack:
      Installed - Yes (/usr/bin/jackd)
      Running - No


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

 0 [PiBell         ]: PiBell - PiBell
                      PiBell


!!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_simple_card
	* : 


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

crw-rw---- 1 root audio 116,  0 Mar  2 12:16 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 16 Mar  2 12:16 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 25 Mar  2 12:16 /dev/snd/pcmC0D1c
crw-rw---- 1 root audio 116,  1 Mar  2 12:16 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Mar  2 12:16 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Mar  2 12:16 .
drwxr-xr-x 3 root root 160 Mar  2 12:16 ..
lrwxrwxrwx 1 root root  12 Mar  2 12:16 platform-soc:sound -> ../controlC0


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

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

defaults.pcm.rate_converter "samplerate"  
pcm.pibell_amp {
	type hw
	card "PiBell"
	device 0
	subdevice 0
	channels 2
	rate 48000
	format S16_LE
}
pcm.pibell_mic {
	type hw
	card "PiBell"
	device 1
	subdevice 0
	channels 2
	rate 48000
	format S32_LE
}
pcm.pibell_playmixer {
	type dmix
	slave.pcm "pibell_amp"
	ipc_key 1987234 # Pseudo random, locally unique
	ipc_key_add_uid true
}
pcm.pibell_recmixer {
	type dsnoop
	slave.pcm "pibell_mic"
	slave.channels 2
	bindings.0 0
	bindings.1 0
	ipc_key 3491587 # Pseudo random, locally unique
	ipc_key_add_uid true
}
pcm.pibell_micboost {
	type softvol
	slave.pcm "pibell_recmixer"
	control.name "Boost Capture Volume"
	control.card "PiBell"
	min_dB -3.0
	max_dB 30.0
}
pcm.!default {
	type asym
	playback.pcm "plug:pibell_playmixer"
	capture.pcm "plug:pibell_micboost"
}


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: PiBell [PiBell], device 0: bcm2835-i2s-dit-hifi dit-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: PiBell [PiBell], device 1: bcm2835-i2s-ics43432-hifi ics43432-hifi-1 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

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

Card hw:0 'PiBell'/'PiBell'
  Mixer name	: ''
  Components	: ''
  Controls      : 2
  Simple ctrls  : 2
Simple mixer control 'PCM',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 255
  Front Left: 255 [100%]
  Front Right: 255 [100%]
Simple mixer control 'Boost',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 255
  Front Left: Capture 199 [78%] [20.88dB]
  Front Right: Capture 199 [78%] [20.88dB]


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

--startcollapse--
state.PiBell {
	control.1 {
		iface MIXER
		name PCM
		value.0 255
		value.1 255
		comment {
			access 'read write user'
			type INTEGER
			count 2
			range '0 - 255'
			tlv '0000000100000008ffffec1400000014'
			dbmin -5100
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	control.2 {
		iface MIXER
		name 'Boost Capture Volume'
		value.0 199
		value.1 199
		comment {
			access 'read write user'
			type INTEGER
			count 2
			range '0 - 255'
			tlv '0000000100000008fffffed40000000c'
			dbmin -300
			dbmax 2760
			dbvalue.0 2088
			dbvalue.1 2088
		}
	}
}
--endcollapse--


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

Module
rfcomm
cmac
bnep
hci_uart
btbcm
bluetooth
brcmfmac
brcmutil
cfg80211
rfkill
snd_soc_bcm2835_i2s
snd_soc_simple_card
snd_soc_simple_card_utils
snd_soc_spdif_tx
ics43432
bcm2835_gpiomem
snd_soc_core
snd_compress
snd_pcm_dmaengine
snd_pcm
snd_timer
snd
uio_pdrv_genirq
fixed
uio
i2c_dev
ip_tables
x_tables
ipv6


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

[    3.286728] ics43432: loading out-of-tree module taints kernel.
[    3.321394] asoc-simple-card soc:sound: dit-hifi <-> 3f203000.i2s mapping ok
[    3.322267] asoc-simple-card soc:sound: ics43432-hifi <-> 3f203000.i2s mapping ok
[    3.509240] brcmfmac: F1 signature read @0x18000000=0x1541a9a6