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

!!Script ran on: Sun Feb 23 18:59:55 UTC 2020


!!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_usb_audio


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

No sound servers found.


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

 1 [Device         ]: USB-Audio - USB2.0 Device
                      Generic USB2.0 Device at usb-3f980000.usb-1.5, 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_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=0x19082070, ctrlif=0, ctlerr=0
Card: Generic USB2.0 Device at usb-3f980000.usb-1.5, full speed
  Unit: 2
    Control: name="PCM Playback Volume", index=0
    Info: id=2, control=2, cmask=0x0, channels=1, type="S16"
    Volume: min=-32768, max=-32513, dBmin=-12800, dBmax=-12700
  Unit: 2
    Control: name="PCM Playback Switch", index=0
    Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
--endcollapse--


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

crw-rw---- 1 root audio 116, 32 Feb 23 19:53 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 48 Feb 23 19:53 /dev/snd/pcmC1D0p
crw-rw---- 1 root audio 116,  1 Feb 23 19:53 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Feb 23 19:53 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Feb 23 19:53 .
drwxr-xr-x 4 root root 160 Feb 23 19:53 ..
lrwxrwxrwx 1 root root  12 Feb 23 19:53 usb-Generic_USB2.0_Device_20130100ph0-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Feb 23 19:53 .
drwxr-xr-x 4 root root 160 Feb 23 19:53 ..
lrwxrwxrwx 1 root root  12 Feb 23 19:53 platform-3f980000.usb-usb-0:1.5:1.0 -> ../controlC1


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 1: Device [USB2.0 Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

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

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

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

Card hw:1 'Device'/'Generic USB2.0 Device at usb-3f980000.usb-1.5, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB1908:2070'
  Controls      : 4
  Simple ctrls  : 1
Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 255
  Mono: Playback 255 [100%] [-127.00dB] [on]


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

--startcollapse--
state.Device {
	control.1 {
		iface PCM
		name 'Playback Channel Map'
		value.0 0
		value.1 0
		comment {
			access read
			type INTEGER
			count 2
			range '0 - 36'
		}
	}
	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 Volume'
		value 255
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 255'
			dbmin -12800
			dbmax -12700
			dbvalue.0 -12700
		}
	}
	control.4 {
		iface CARD
		name 'Keep Interface'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

Module
xt_multiport
iptable_filter
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
sha256_generic
cfg80211
rfkill
snd_usb_audio
snd_hwdep
snd_usbmidi_lib
snd_rawmidi
snd_seq_device
snd_pcm
snd_timer
snd
bcm2835_codec
bcm2835_v4l2
v4l2_mem2mem
v4l2_common
bcm2835_mmal_vchiq
videobuf2_vmalloc
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
raspberrypi_hwmon
hwmon
videobuf2_common
videodev
media
vc_sm_cma
uio_pdrv_genirq
fixed
uio
ip_tables
x_tables
ipv6


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

[    4.540931] usb 1-1.5: 1:1: cannot get freq at ep 0x2
[    4.578658] usbcore: registered new interface driver snd-usb-audio
[    5.096603] cfg80211: Loading compiled-in X.509 certificates for regulatory database