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

!!Script ran on: Wed Apr 18 01:50:24 UTC 2018


!!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:    4.14.33-v7 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k4.14.33-v7 
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_usb_audio


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

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


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

 0 [Headset        ]: USB-Audio - Logitech USB Headset
                      Logitech Logitech USB Headset at usb-3f980000.usb-1.4, full speed


!!Modprobe options (Sound related)
!!--------------------------------

snd_pcsp: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=0
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=0
snd_hda_intel: model=laptop
snd_hda_intel: position_fix=1 enable=yes


!!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 : 0,-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)
	vid : -1,-1,-1,-1,-1,-1,-1,-1


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

USB Mixer: usb_id=0x046d0a44, ctrlif=0, ctlerr=0
Card: Logitech Logitech USB Headset at usb-3f980000.usb-1.4, full speed
  Unit: 1
    Control: name="Headphone Playback Volume", index=0
    Info: id=1, control=2, cmask=0x3, channels=2, type="S16"
    Volume: min=-10496, max=0, dBmin=-4100, dBmax=0
  Unit: 1
    Control: name="Headphone Playback Switch", index=0
    Info: id=1, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
  Unit: 2
    Control: name="Mic Capture Volume", index=0
    Info: id=2, control=2, cmask=0x1, channels=1, type="S16"
    Volume: min=4096, max=7424, dBmin=1600, dBmax=2900
  Unit: 2
    Control: name="Mic Capture Switch", index=0
    Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
  Unit: 6
    Control: name="Mic Playback Volume", index=0
    Info: id=6, control=2, cmask=0x1, channels=1, type="S16"
    Volume: min=-3840, max=0, dBmin=-1500, dBmax=0
  Unit: 6
    Control: name="Mic Playback 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,  0 Apr 17 21:45 /dev/snd/controlC0
crw-rw----  1 root audio 116, 24 Apr 17 21:45 /dev/snd/pcmC0D0c
crw-rw----  1 root audio 116, 16 Apr 17 21:45 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116,  1 Apr 17 21:45 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Apr 17 21:45 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Apr 17 21:45 .
drwxr-xr-x 4 root root 180 Apr 17 21:45 ..
lrwxrwxrwx 1 root root  12 Apr 17 21:45 usb-Logitech_Logitech_USB_Headset-00 -> ../controlC0

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Apr 17 21:45 .
drwxr-xr-x 4 root root 180 Apr 17 21:45 ..
lrwxrwxrwx 1 root root  12 Apr 17 21:45 platform-3f980000.usb-usb-0:1.4:1.0 -> ../controlC0


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

!!User specific config file (~/.asoundrc)

pcm.!default {
	type hw
	card 0
}

ctl.!default {
	type hw
	card 0
}


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

APLAY

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

ARECORD

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

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

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

Card hw:0 'Headset'/'Logitech Logitech USB Headset at usb-3f980000.usb-1.4, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB046d:0a44'
  Controls      : 8
  Simple ctrls  : 2
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 41
  Mono:
  Front Left: Playback 34 [83%] [-7.00dB] [on]
  Front Right: Playback 34 [83%] [-7.00dB] [on]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: Playback 0 - 15 Capture 0 - 13
  Mono: Playback 0 [0%] [-15.00dB] [off] Capture 13 [100%] [29.00dB] [on]


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

--startcollapse--
state.Headset {
	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
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.3 {
		iface MIXER
		name 'Mic Playback Switch'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.4 {
		iface MIXER
		name 'Mic Playback Volume'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 15'
			dbmin -1500
			dbmax 0
			dbvalue.0 -1500
		}
	}
	control.5 {
		iface MIXER
		name 'Headphone Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.6 {
		iface MIXER
		name 'Headphone Playback Volume'
		value.0 34
		value.1 34
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 41'
			dbmin -4100
			dbmax 0
			dbvalue.0 -700
			dbvalue.1 -700
		}
	}
	control.7 {
		iface MIXER
		name 'Mic Capture Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.8 {
		iface MIXER
		name 'Mic Capture Volume'
		value 13
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 13'
			dbmin 1600
			dbmax 2900
			dbvalue.0 2900
		}
	}
}
--endcollapse--


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

Module
fuse
rfcomm
cmac
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
snd_usb_audio
snd_hwdep
snd_usbmidi_lib
snd_pcm
snd_seq_midi
snd_seq_midi_event
snd_rawmidi
snd_seq
snd_seq_device
evdev
snd_timer
snd
spidev
brcmfmac
brcmutil
cfg80211
rfkill
i2c_bcm2835
spi_bcm2835
w1_gpio
wire
cn
hwmon
uio_pdrv_genirq
fixed
uio
i2c_dev
ip_tables
x_tables
ipv6


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

[    5.451831] hid-generic 0003:046D:0A44.0001: input,hidraw0: USB HID v1.00 Device [Logitech Logitech USB Headset] on usb-3f980000.usb-1.4/input3
[    6.006822] usbcore: registered new interface driver snd-usb-audio
[    6.020119] w1_master_driver w1_bus_master1: w1_search: max_slave_count 64 reached, will continue next search.