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

!!Script ran on: Thu Nov  4 11:40:51 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_usb_audio


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

No sound servers found.


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

 1 [H340           ]: USB-Audio - Logitech USB Headset H340
                      Logitech Inc. Logitech USB Headset H340 at usb-3f980000.usb-1.3, 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=0x046d0a38, ctrlif=0, ctlerr=0
Card: Logitech Inc. Logitech USB Headset H340 at usb-3f980000.usb-1.3, full speed
  Unit: 5
    Control: name="PCM Playback Volume", index=0
    Info: id=5, control=2, cmask=0x3, channels=2, type="S16"
    Volume: min=-10496, max=768, dBmin=-4100, dBmax=300
  Unit: 5
    Control: name="PCM Playback Switch", index=0
    Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
  Unit: 6
    Control: name="Mic Capture Volume", index=0
    Info: id=6, control=2, cmask=0x0, channels=1, type="S16"
    Volume: min=-6400, max=2048, dBmin=-2500, dBmax=800
  Unit: 6
    Control: name="Mic Capture Switch", index=0
    Info: id=6, 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 Nov  4 12:32 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 56 Nov  4 12:32 /dev/snd/pcmC1D0c
crw-rw---- 1 root audio 116, 48 Nov  4 12:32 /dev/snd/pcmC1D0p
crw-rw---- 1 root audio 116,  1 Nov  4 12:32 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Nov  4 12:32 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Nov  4 12:32 .
drwxr-xr-x 4 root root 180 Nov  4 12:32 ..
lrwxrwxrwx 1 root root  12 Nov  4 12:32 usb-Logitech_Inc._Logitech_USB_Headset_H340-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Nov  4 12:32 .
drwxr-xr-x 4 root root 180 Nov  4 12:32 ..
lrwxrwxrwx 1 root root  12 Nov  4 12:32 platform-3f980000.usb-usb-0:1.3:1.0 -> ../controlC1


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

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

pcm.!default {
	type hw
	card 1
}

ctl.!default {
	type hw           
	card 1
}



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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 1: H340 [Logitech USB Headset H340], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: H340 [Logitech USB Headset H340], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

!!-------Mixer controls for card 1 [H340]

Card hw:1 'H340'/'Logitech Inc. Logitech USB Headset H340 at usb-3f980000.usb-1.3, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB046d:0a38'
  Controls      : 7
  Simple ctrls  : 2
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 44
  Mono:
  Front Left: Playback 21 [48%] [-20.00dB] [on]
  Front Right: Playback 21 [48%] [-20.00dB] [on]
Simple mixer control 'Mic',0
  Capabilities: cvolume cvolume-joined cswitch cswitch-joined
  Capture channels: Mono
  Limits: Capture 0 - 44
  Mono: Capture 0 [0%] [-25.00dB] [on]


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

--startcollapse--
state.H340 {
	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 PCM
		name 'Capture Channel Map'
		value.0 0
		value.1 0
		comment {
			access read
			type INTEGER
			count 2
			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 'Mic Capture Volume'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 44'
			dbmin -2500
			dbmax 800
			dbvalue.0 -2500
		}
	}
	control.5 {
		iface MIXER
		name 'PCM Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.6 {
		iface MIXER
		name 'PCM Playback Volume'
		value.0 21
		value.1 21
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 44'
			dbmin -4100
			dbmax 300
			dbvalue.0 -2000
			dbvalue.1 -2000
		}
	}
	control.7 {
		iface CARD
		name 'Keep Interface'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

Module
ip6table_filter
ip6_tables
xt_conntrack
iptable_filter
ipt_MASQUERADE
iptable_nat
nf_nat_ipv4
nf_nat
nf_conntrack
nf_defrag_ipv6
nf_defrag_ipv4
snd_usb_audio
evdev
snd_hwdep
snd_usbmidi_lib
snd_rawmidi
snd_seq_device
sg
snd_pcm
snd_timer
uas
snd
brcmfmac
brcmutil
sha256_generic
cfg80211
bcm2835_codec
raspberrypi_hwmon
bcm2835_v4l2
hwmon
v4l2_mem2mem
v4l2_common
bcm2835_mmal_vchiq
videobuf2_vmalloc
videobuf2_dma_contig
videobuf2_memops
rfkill
videobuf2_v4l2
videobuf2_common
i2c_bcm2835
videodev
media
vc_sm_cma
uio_pdrv_genirq
uio
fixed
i2c_dev
i2c_bcm2708
ip_tables
x_tables
ipv6


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

[    7.316015] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    7.326058] usbcore: registered new interface driver snd-usb-audio
[    7.333901] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Feb 27 2018 03:15:32 version 7.45.154 (r684107 CY) FWID 01-4fbe0b04