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

!!Script ran on: Sun Nov 10 20:24:08 UTC 2019


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.19.66-v7 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k4.19.66-v7 
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_bcm2835


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

No sound servers found.


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

 0 [ALSA           ]: bcm2835_alsa - bcm2835 ALSA
                      bcm2835 ALSA


!!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


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

crw-rw---- 1 root audio 116,  0 Oct 29 18:28 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 16 Oct 29 18:28 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 17 Oct 29 18:28 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 18 Oct 29 18:28 /dev/snd/pcmC0D2p
crw-rw---- 1 root audio 116,  1 Oct 29 18:28 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Oct 29 18:28 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Nov 10 20:46 .
drwxr-xr-x 3 root root 180 Nov 10 20:46 ..
lrwxrwxrwx 1 root root  12 Oct 29 18:28 platform-soc:audio -> ../controlC0


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

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

   defaults.pcm.card 1
   defaults.ctl.card 1


!!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 IEC958/HDMI [bcm2835 IEC958/HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****

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

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

Card hw:0 'ALSA'/'bcm2835 ALSA'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 5
  Simple ctrls  : 1
Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback -10239 - 400
  Mono: Playback -2000 [77%] [-20.00dB] [on]


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

--startcollapse--
state.ALSA {
	control.1 {
		iface MIXER
		name 'PCM Playback Volume'
		value -2000
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 -2000
		}
	}
	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 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 3'
		}
	}
	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
		}
	}
}
--endcollapse--


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

Module
dummy
xt_nat
xt_tcpudp
veth
snd_usb_audio
evdev
snd_hwdep
snd_usbmidi_lib
snd_rawmidi
snd_seq_device
nf_conntrack_netlink
nfnetlink
br_netfilter
bridge
stp
llc
overlay
tun
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
xt_conntrack
iptable_filter
ipt_MASQUERADE
xt_addrtype
iptable_nat
nf_nat_ipv4
nf_nat
nf_conntrack
nf_defrag_ipv6
nf_defrag_ipv4
brcmfmac
brcmutil
sha256_generic
cfg80211
rfkill
snd_bcm2835
snd_pcm
snd_timer
snd
raspberrypi_hwmon
hwmon
i2c_bcm2835
bcm2835_codec
v4l2_mem2mem
videobuf2_dma_contig
fixed
uio_pdrv_genirq
uio
i2c_dev
cuse
fuse
bcm2835_v4l2
bcm2835_mmal_vchiq
vc_sm_cma
v4l2_common
videobuf2_vmalloc
videobuf2_memops
videobuf2_v4l2
videobuf2_common
videodev
media
ip_tables
x_tables
ipv6


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

[    3.905194] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[    4.101914] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    4.133881] bcm2835_audio soc:audio: card created with 8 channels
--
[387890.614495] hid-generic 0003:0D8C:0014.0001: input,hidraw0: USB HID v1.00 Device [C-Media Electronics Inc. USB Audio Device] on usb-3f980000.usb-1.4/input3
[387890.743586] usbcore: registered new interface driver snd-usb-audio
[479250.262989] docker0: port 1(vethf08d1f6) entered blocking state