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

!!Script ran on: Thu Feb 23 19:31:23 UTC 2023


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.19.66 
Operating System:  GNU/Linux
Architecture:      armv6l
Processor:         unknown
SMP Enabled:       No


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

Driver version:     k4.19.66 
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 Feb 23 18:58 /dev/snd/controlC0
crw-rw----  1 root audio 116, 16 Feb 23 18:58 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116, 17 Feb 23 18:58 /dev/snd/pcmC0D1p
crw-rw----  1 root audio 116, 18 Feb 23 18:58 /dev/snd/pcmC0D2p
crw-rw----  1 root audio 116,  1 Feb 23 18:58 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Feb 23 18:58 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Feb 23 18:58 .
drwxr-xr-x 3 root root 180 Feb 23 18:58 ..
lrwxrwxrwx 1 root root  12 Feb 23 18:58 platform-soc:audio -> ../controlC0


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

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

# convert stereo to mono RIGHT output
 
pcm.monocard{
  slave.pcm "hw:0"
  slave.channels 2
  type route
  ttable {
    # Copy both input channels to output channel 1 (Right).
    0.1 1
    1.1 1
    # Copy both input channels to output channel 0 (Left).
    0.0 1
    1.0 1
  }
}
 
pcm.!default monocard


!!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 -127 [95%] [-1.27dB] [on]


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

--startcollapse--
state.ALSA {
	control.1 {
		iface MIXER
		name 'PCM Playback Volume'
		value -127
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 -127
		}
	}
	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
binfmt_misc
bnep
hid_logitech_hidpp
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
joydev
evdev
cdc_ether
r8152
hid_logitech_dj
xpad
ff_memless
brcmfmac
snd_bcm2835
brcmutil
raspberrypi_hwmon
sha256_generic
hwmon
snd_pcm
snd_timer
snd
cfg80211
rfkill
bcm2835_codec
bcm2835_v4l2
v4l2_mem2mem
v4l2_common
bcm2835_mmal_vchiq
videobuf2_vmalloc
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_common
videodev
media
vc_sm_cma
uio_pdrv_genirq
uio
fixed
uinput
ip_tables
x_tables
ipv6


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

[   16.782631] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[   17.164050] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[   17.627316] bcm2835_audio soc:audio: card created with 8 channels