!!################################
!!ALSA Information Script v 0.4.65
!!################################

!!Script ran on: Mon Aug  3 16:49:15 UTC 2020


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  
Board Vendor:      
Board Name:        


!!ACPI Device Status Information
!!---------------



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

Kernel release:    5.4.51-v7
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k5.4.51-v7
Library version:    1.1.8
Utilities version:  1.1.8


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

snd_usb_audio


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

No sound servers found.


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

 1 [Audio          ]: USB-Audio - QEMU USB Audio
                      QEMU QEMU USB Audio at usb-3f980000.usb-1.3, full speed


!!PCI Soundcards installed in the system
!!--------------------------------------



!!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=0x46f40002, ctrlif=0, ctlerr=0
Card: QEMU QEMU USB Audio at usb-3f980000.usb-1.3, full speed
  Unit: 2
    Control: name="Audio Output Volume Control Playback Volume", index=0
    Info: id=2, control=2, cmask=0x3, channels=2, type="S16"
    Volume: min=-32767, max=2048, dBmin=-12799, dBmax=800
  Unit: 2
    Control: name="Audio Output Volume Control 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 Aug  3 17:43 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 48 Aug  3 17:43 /dev/snd/pcmC1D0p
crw-rw---- 1 root audio 116,  1 Aug  3 17:43 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Aug  3 17:43 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Aug  3 17:43 .
drwxr-xr-x 4 root root 160 Aug  3 17:43 ..
lrwxrwxrwx 1 root root  12 Aug  3 17:43 usb-QEMU_QEMU_USB_Audio_1-1.3-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Aug  3 17:43 .
drwxr-xr-x 4 root root 160 Aug  3 17:43 ..
lrwxrwxrwx 1 root root  12 Aug  3 17:43 platform-3f980000.usb-usb-0:1.3:1.0 -> ../controlC1


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 1: Audio [QEMU USB Audio], 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 Audio

Card hw:1 'Audio'/'QEMU QEMU USB Audio at usb-3f980000.usb-1.3, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB46f4:0002'
  Controls      : 4
  Simple ctrls  : 1
Simple mixer control 'Audio Output Volume Control',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 256
  Mono:
  Front Left: Playback 240 [94%] [-0.50dB] [on]
  Front Right: Playback 240 [94%] [-0.50dB] [on]


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

--startcollapse--
state.Audio {
	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 'Audio Output Volume Control Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.3 {
		iface MIXER
		name 'Audio Output Volume Control Playback Volume'
		value.0 240
		value.1 240
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 256'
			dbmin -12799
			dbmax 800
			dbvalue.0 -50
			dbvalue.1 -50
		}
	}
	control.4 {
		iface CARD
		name 'Keep Interface'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

8021q
cdc_ether
cdc_subset
cfg80211
evdev
fixed
garp
ip_tables
ipv6
libsha256
llc
mc
nf_defrag_ipv6
raspberrypi_hwmon
rfkill
sha256_generic
snd
snd_hwdep
snd_pcm
snd_rawmidi
snd_seq_device
snd_timer
snd_usb_audio
snd_usbmidi_lib
stp
uio
uio_pdrv_genirq
x_tables


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

[   51.146342] usb 1-1.3: unknown interface protocol 0x4, assuming v1
[   51.348244] usbcore: registered new interface driver snd-usb-audio
[   79.926282] hrtimer: interrupt took 160227408 ns


!!Packages installed
!!--------------------

ii  alsa-utils                     1.1.8-2                             armhf        Utilities for configuring and using ALSA