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

!!Script ran on: Tue Dec  7 01:01:03 UTC 2021


!!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 Dec  6 00:21 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 16 Dec  6 00:21 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 17 Dec  6 00:21 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 18 Dec  6 00:21 /dev/snd/pcmC0D2p
crw-rw---- 1 root audio 116,  1 Dec  6 00:21 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Dec  6 00:21 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Dec  6 00:21 .
drwxr-xr-x 3 root root 180 Dec  6 00:21 ..
lrwxrwxrwx 1 root root  12 Dec  6 00:21 platform-soc:audio -> ../controlC0


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

APLAY

aplay: device_list:270: no soundcards found...

ARECORD

arecord: device_list:270: no soundcards found...

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

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

Invalid card number.
Usage: amixer <options> [command]

Available options:
  -h,--help       this help
  -c,--card N     select the card
  -D,--device N   select the device, default 'default'
  -d,--debug      debug mode
  -n,--nocheck    do not perform range checking
  -v,--version    print version of this program
  -q,--quiet      be quiet
  -i,--inactive   show also inactive controls
  -a,--abstract L select abstraction level (none or basic)
  -s,--stdin      Read and execute commands from stdin sequentially
  -R,--raw-volume Use the raw value (default)
  -M,--mapped-volume Use the mapped volume

Available commands:
  scontrols       show all mixer simple controls
  scontents	  show contents of all mixer simple controls (default command)
  sset sID P      set contents for one mixer simple control
  sget sID        get contents for one mixer simple control
  controls        show all controls for given card
  contents        show contents of all controls for given card
  cset cID P      set control contents for one control
  cget cID        get control contents for one control
Invalid card number.
Usage: amixer <options> [command]

Available options:
  -h,--help       this help
  -c,--card N     select the card
  -D,--device N   select the device, default 'default'
  -d,--debug      debug mode
  -n,--nocheck    do not perform range checking
  -v,--version    print version of this program
  -q,--quiet      be quiet
  -i,--inactive   show also inactive controls
  -a,--abstract L select abstraction level (none or basic)
  -s,--stdin      Read and execute commands from stdin sequentially
  -R,--raw-volume Use the raw value (default)
  -M,--mapped-volume Use the mapped volume

Available commands:
  scontrols       show all mixer simple controls
  scontents	  show contents of all mixer simple controls (default command)
  sset sID P      set contents for one mixer simple control
  sget sID        get contents for one mixer simple control
  controls        show all controls for given card
  contents        show contents of all controls for given card
  cset cID P      set control contents for one control
  cget cID        get control contents for one control


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

--startcollapse--
--endcollapse--


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

Module
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
binfmt_misc
brcmfmac
brcmutil
bcm2835_codec
bcm2835_v4l2
sha256_generic
v4l2_mem2mem
v4l2_common
videobuf2_vmalloc
bcm2835_mmal_vchiq
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
cfg80211
videobuf2_common
rfkill
snd_bcm2835
videodev
snd_pcm
snd_timer
media
raspberrypi_hwmon
snd
hwmon
vc_sm_cma
fixed
uio_pdrv_genirq
uio
cdc_acm
ip_tables
x_tables
ipv6


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

[    3.934071] media: Linux media interface: v0.10
[    3.977789] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    3.993205] bcm2835_audio soc:audio: card created with 8 channels