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

!!Script ran on: Sun Jan 23 08:01:46 UTC 2022


!!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
snd_usb_audio
snd_usb_audio


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

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


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

 0 [ALSA           ]: bcm2835_alsa - bcm2835 ALSA
                      bcm2835 ALSA
 1 [U0x46d0x81b    ]: USB-Audio - USB Device 0x46d:0x81b
                      USB Device 0x46d:0x81b at usb-3f980000.usb-1.2, high speed
 2 [DEVICE         ]: USB-Audio - USB AUDIO DEVICE
                      Conwiseꀠꁔechnology USB AUDIO DEVICE at usb-3f980000.usb-1.4, full speed


!!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_usb_audio
	autoclock : Y
	device_setup : 0,0,0,0,0,0,0,0
	enable : Y,Y,Y,Y,Y,Y,Y,Y
	id : (null),(null),(null),(null),(null),(null),(null),(null)
	ignore_ctl_error : N
	index : -2,-1,-1,-1,-1,-1,-1,-1
	pid : -1,-1,-1,-1,-1,-1,-1,-1
	quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null)
	use_vmalloc : Y
	vid : -1,-1,-1,-1,-1,-1,-1,-1

!!Module: snd_usb_audio
	autoclock : Y
	device_setup : 0,0,0,0,0,0,0,0
	enable : Y,Y,Y,Y,Y,Y,Y,Y
	id : (null),(null),(null),(null),(null),(null),(null),(null)
	ignore_ctl_error : N
	index : -2,-1,-1,-1,-1,-1,-1,-1
	pid : -1,-1,-1,-1,-1,-1,-1,-1
	quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null)
	use_vmalloc : Y
	vid : -1,-1,-1,-1,-1,-1,-1,-1


!!USB Mixer information
!!---------------------
--startcollapse--

USB Mixer: usb_id=0x046d081b, ctrlif=2, ctlerr=0
Card: USB Device 0x46d:0x81b at usb-3f980000.usb-1.2, high speed
  Unit: 5
    Control: name="Mic Capture Volume", index=0
    Info: id=5, control=2, cmask=0x0, channels=1, type="S16"
    Volume: min=1536, max=7680, dBmin=600, dBmax=3000
  Unit: 5
    Control: name="Mic Capture Switch", index=0
    Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
USB Mixer: usb_id=0x0e5e6611, ctrlif=0, ctlerr=0
Card: Conwiseꀠꁔechnology USB AUDIO DEVICE at usb-3f980000.usb-1.4, full speed
  Unit: 3
    Control: name="Tone Control - Bass", index=0
    Info: id=3, control=3, cmask=0x0, channels=1, type="S8"
    Volume: min=-48, max=48, dBmin=-18, dBmax=18
  Unit: 3
    Control: name="Mic Capture Switch", index=0
    Info: id=3, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
  Unit: 4
    Control: name="PCM Playback Volume", index=0
    Info: id=4, control=2, cmask=0x0, channels=1, type="S16"
    Volume: min=4096, max=7424, dBmin=1600, dBmax=2900
--endcollapse--


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

crw-rw----  1 root audio 116,  0 Dec 27 23:41 /dev/snd/controlC0
crw-rw----  1 root audio 116, 32 Dec 27 23:41 /dev/snd/controlC1
crw-rw----  1 root audio 116, 64 Jan 23 13:35 /dev/snd/controlC2
crw-rw----  1 root audio 116, 16 Dec 27 23:41 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116, 17 Dec 27 23:41 /dev/snd/pcmC0D1p
crw-rw----  1 root audio 116, 18 Dec 27 23:41 /dev/snd/pcmC0D2p
crw-rw----  1 root audio 116, 56 Dec 27 23:41 /dev/snd/pcmC1D0c
crw-rw----  1 root audio 116, 88 Jan 23 13:35 /dev/snd/pcmC2D0c
crw-rw----  1 root audio 116, 80 Jan 23 13:35 /dev/snd/pcmC2D0p
crw-rw----  1 root audio 116,  1 Dec 27 23:41 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Dec 27 23:41 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  80 Jan 23 13:35 .
drwxr-xr-x 4 root root 300 Jan 23 13:35 ..
lrwxrwxrwx 1 root root  12 Dec 27 23:41 usb-046d_081b_BD73CE50-02 -> ../controlC1
lrwxrwxrwx 1 root root  12 Jan 23 13:35 usb-Conwiseꀠꁔechnology_USB_AUDIO_DEVICE-00 -> ../controlC2

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 100 Jan 23 13:35 .
drwxr-xr-x 4 root root 300 Jan 23 13:35 ..
lrwxrwxrwx 1 root root  12 Dec 27 23:41 platform-3f980000.usb-usb-0:1.2:1.2 -> ../controlC1
lrwxrwxrwx 1 root root  12 Jan 23 13:35 platform-3f980000.usb-usb-0:1.4:1.0 -> ../controlC2
lrwxrwxrwx 1 root root  12 Dec 27 23:41 platform-soc:audio -> ../controlC0


!!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
card 2: DEVICE [USB AUDIO DEVICE], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: U0x46d0x81b [USB Device 0x46d:0x81b], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: DEVICE [USB AUDIO DEVICE], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

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

Card hw:0 'ALSA'/'bcm2835 ALSA'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 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 -2183 [76%] [-21.83dB] [on]

!!-------Mixer controls for card 1 [U0x46d0x81b]

Card hw:1 'U0x46d0x81b'/'USB Device 0x46d:0x81b at usb-3f980000.usb-1.2, high speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB046d:081b'
  Controls      : 4
  Simple ctrls  : 1
Simple mixer control 'Mic',0
  Capabilities: cvolume cvolume-joined cswitch cswitch-joined
  Capture channels: Mono
  Limits: Capture 0 - 16
  Mono: Capture 12 [75%] [24.00dB] [on]

!!-------Mixer controls for card 2 [DEVICE]

Card hw:2 'DEVICE'/'Conwiseꀠꁔechnology USB AUDIO DEVICE at usb-3f980000.usb-1.4, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB0e5e:6611'
  Controls      : 6
  Simple ctrls  : 3
Simple mixer control 'Bass',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 96
  Mono: 48 [50%]
Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined
  Playback channels: Mono
  Limits: Playback 0 - 13
  Mono: Playback 0 [0%] [16.00dB]
Simple mixer control 'Mic',0
  Capabilities: cswitch cswitch-joined
  Capture channels: Mono
  Mono: Capture [on]


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

--startcollapse--
state.ALSA {
	control.1 {
		iface MIXER
		name 'PCM Playback Volume'
		value -2183
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 -2183
		}
	}
	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 - 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
		}
	}
}
state.U0x46d0x81b {
	control.1 {
		iface PCM
		name 'Capture Channel Map'
		value 0
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.2 {
		iface MIXER
		name 'Mic Capture Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.3 {
		iface MIXER
		name 'Mic Capture Volume'
		value 12
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 16'
			dbmin 600
			dbmax 3000
			dbvalue.0 2400
		}
	}
	control.4 {
		iface CARD
		name 'Keep Interface'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
state.DEVICE {
	control.1 {
		iface PCM
		name 'Playback Channel Map'
		value 0
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.2 {
		iface PCM
		name 'Capture Channel Map'
		value 0
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.3 {
		iface MIXER
		name 'Mic Capture Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.4 {
		iface MIXER
		name 'Tone Control - Bass'
		value 48
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 96'
		}
	}
	control.5 {
		iface MIXER
		name 'PCM Playback Volume'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 13'
			dbmin 1600
			dbmax 2900
			dbvalue.0 1600
		}
	}
	control.6 {
		iface CARD
		name 'Keep Interface'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

Module
joydev
sg
uas
fuse
rfcomm
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
evdev
snd_usb_audio
snd_hwdep
snd_usbmidi_lib
uvcvideo
snd_rawmidi
snd_seq_device
brcmfmac
brcmutil
sha256_generic
cfg80211
rfkill
bcm2835_codec
raspberrypi_hwmon
bcm2835_v4l2
hwmon
v4l2_mem2mem
v4l2_common
bcm2835_mmal_vchiq
snd_bcm2835
videobuf2_vmalloc
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_common
snd_pcm
snd_timer
snd
videodev
media
vc_sm_cma
uio_pdrv_genirq
fixed
uio
i2c_dev
ip_tables
x_tables
ipv6


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

[    4.368528] videodev: Linux video capture interface: v2.00
[    4.407887] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    4.418771] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
--
[    6.414357] usb 1-1.2: set resolution quirk: cval->res = 384
[    6.415884] usbcore: registered new interface driver snd-usb-audio
[    6.543518] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS