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

!!Script ran on: Thu Aug  8 17:37:47 UTC 2019


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

Debian GNU/Linux 9 \n \l ARCH=arm INITRD_ARCH=arm ARCH=arm INITRD_ARCH=arm PRETTY_NAME="Debian GNU/Linux 9 (stretch)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"


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

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


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



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

Kernel release:    4.19.38-sunxi
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k4.19.38-sunxi
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_usb_audio


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

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - No


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

 1 [C170           ]: USB-Audio - Webcam C170
                      Webcam C170 at usb-1c1b000.usb-1, high speed


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



!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------



!!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=0x046d082b, ctrlif=2, ctlerr=0
Card: Webcam C170 at usb-1c1b000.usb-1, high speed
--endcollapse--


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

crw-rw---- 1 root audio 116, 32 Aug  8 20:02 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 56 Aug  8 20:02 /dev/snd/pcmC1D0c
crw-rw---- 1 root audio 116, 33 Aug  8 20:02 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Aug  8 06:00 .
drwxr-xr-x 4 root root 140 Aug  8 06:00 ..
lrwxrwxrwx 1 root root  12 Aug  8 20:02 usb-_Webcam_C170-02 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Aug  8 06:00 .
drwxr-xr-x 4 root root 140 Aug  8 06:00 ..
lrwxrwxrwx 1 root root  12 Aug  8 20:02 platform-1c1b000.usb-usb-0:1:1.2 -> ../controlC1


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

APLAY

**** List of PLAYBACK Hardware Devices ****

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: C170 [Webcam C170], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

!!-------Mixer controls for card 1 [C170]

Card hw:1 'C170'/'Webcam C170 at usb-1c1b000.usb-1, high speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB046d:082b'
  Controls      : 2
  Simple ctrls  : 0


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

--startcollapse--
state.C170 {
	control.1 {
		iface PCM
		name 'Capture Channel Map'
		value 0
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.2 {
		iface CARD
		name 'Keep Interface'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

Module
aes_arm_bs
crypto_simd
cryptd
ccm
8189es
evdev
zstd
sun8i_codec_analog
snd_soc_simple_card
snd_usb_audio
snd_soc_simple_card_utils
sun8i_adda_pr_regmap
uvcvideo
sun4i_i2s
snd_hwdep
snd_soc_core
snd_usbmidi_lib
lima
xradio_wlan
snd_rawmidi
snd_pcm_dmaengine
gpu_sched
snd_pcm
videobuf2_vmalloc
ttm
mac80211
snd_timer
snd
sun4i_gpadc_iio
soundcore
industrialio
sun8i_ths
zram
uio_pdrv_genirq
cpufreq_dt
uio
thermal_sys
cfg80211
r8152
usb_f_acm
u_serial
g_serial
libcomposite
ip_tables
x_tables
pwrseq_simple


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

[   10.073508] USB Video Class driver (1.1.1)
[   10.106547] usbcore: registered new interface driver snd-usb-audio
[   10.223390] zram0: detected capacity change from 0 to 52428800