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

!!Script ran on: Wed Feb 21 01:36:54 UTC 2018


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.9.59 
Operating System:  GNU/Linux
Architecture:      armv6l
Processor:         unknown
SMP Enabled:       No


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

Driver version:     k4.9.59 
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_soc_hifiberry_dac
snd_usb_audio


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

No sound servers found.


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

 0 [sndrpihifiberry]: HifiberryDac - snd_rpi_hifiberry_dac
                      snd_rpi_hifiberry_dac
 1 [Device         ]: USB-Audio - USB PnP Sound Device
                      C-Media Electronics Inc. USB PnP Sound Device at usb-20980000.usb-1, 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_soc_hifiberry_dac
	* : 

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


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

USB Mixer: usb_id=0x80860808, ctrlif=0, ctlerr=0
Card: C-Media Electronics Inc. USB PnP Sound Device at usb-20980000.usb-1, full speed
  Unit: 10
    Control: name="Auto Gain Control", index=0
    Info: id=10, control=7, cmask=0x0, channels=1, type="BOOLEAN"
    Volume: min=0, max=1, dBmin=0, dBmax=0
  Unit: 10
    Control: name="Mic Capture Volume", index=0
    Info: id=10, control=2, cmask=0x0, channels=1, type="S16"
    Volume: min=0, max=6096, dBmin=0, dBmax=2381
  Unit: 10
    Control: name="Mic Capture Switch", index=0
    Info: id=10, 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 Feb 21 01:35 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 32 Feb 21 01:35 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 16 Feb 21 01:35 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 56 Feb 21 01:35 /dev/snd/pcmC1D0c
crw-rw---- 1 root audio 116,  1 Feb 21 01:35 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Feb 21 01:35 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Feb 21 01:35 .
drwxr-xr-x 4 root root 200 Feb 21 01:35 ..
lrwxrwxrwx 1 root root  12 Feb 21 01:35 usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Feb 21 01:35 .
drwxr-xr-x 4 root root 200 Feb 21 01:35 ..
lrwxrwxrwx 1 root root  12 Feb 21 01:35 platform-20980000.usb-usb-0:1:1.0 -> ../controlC1
lrwxrwxrwx 1 root root  12 Feb 21 01:35 platform-soc:sound -> ../controlC0


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

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

pcm.speakerbonnet {
   type hw card 0
}

pcm.dmixer {
   type dmix
   ipc_key 1024
   ipc_perm 0666
   slave {
     pcm "speakerbonnet"
     period_time 0
     period_size 1024
     buffer_size 8192
     rate 44100
     channels 2
   }
}

ctl.dmixer {
    type hw card 0
}

pcm.softvol {
    type softvol
    slave.pcm "dmixer"
    control.name "PCM"
    control.card 0
}

ctl.softvol {
    type hw card 0
}

pcm.!default {
    type             plug
    slave.pcm       "softvol"
}


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_dac], device 0: HifiBerry DAC HiFi pcm5102a-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

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

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

!!-------Mixer controls for card 0 [sndrpihifiberry]:]

Card hw:0 'sndrpihifiberry'/'snd_rpi_hifiberry_dac'
  Mixer name	: ''
  Components	: ''
  Controls      : 1
  Simple ctrls  : 1
Simple mixer control 'PCM',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 255
  Front Left: 255 [100%]
  Front Right: 255 [100%]

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

Card hw:1 'Device'/'C-Media Electronics Inc. USB PnP Sound Device at usb-20980000.usb-1, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB8086:0808'
  Controls      : 4
  Simple ctrls  : 2
Simple mixer control 'Mic',0
  Capabilities: cvolume cvolume-joined cswitch cswitch-joined
  Capture channels: Mono
  Limits: Capture 0 - 16
  Mono: Capture 0 [0%] [0.00dB] [on]
Simple mixer control 'Auto Gain Control',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]


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

--startcollapse--
state.sndrpihifiberry {
	control.1 {
		iface MIXER
		name PCM
		value.0 255
		value.1 255
		comment {
			access 'read write user'
			type INTEGER
			count 2
			range '0 - 255'
			tlv '0000000100000008ffffec1400000014'
			dbmin -5100
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
}
state.Device {
	control.1 {
		iface PCM
		name 'Capture Channel Map'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.2 {
		iface MIXER
		name 'Mic Capture Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.3 {
		iface MIXER
		name 'Mic Capture Volume'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 16'
			dbmin 0
			dbmax 2381
			dbvalue.0 0
		}
	}
	control.4 {
		iface MIXER
		name 'Auto Gain Control'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

Module
cmac
bnep
hci_uart
btbcm
bluetooth
evdev
snd_usb_audio
snd_hwdep
snd_usbmidi_lib
snd_rawmidi
snd_seq_device
brcmfmac
brcmutil
snd_soc_hifiberry_dac
cfg80211
rfkill
snd_soc_bcm2835_i2s
regmap_mmio
bcm2835_gpiomem
snd_soc_pcm5102a
snd_soc_core
snd_compress
snd_pcm_dmaengine
snd_pcm
snd_timer
snd
uio_pdrv_genirq
fixed
uio
ip_tables
x_tables
ipv6


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

[    8.963104] gpiomem-bcm2835 20200000.gpiomem: Initialised: Registers at 0x20200000
[    9.620425] snd-hifiberry-dac soc:sound: pcm5102a-hifi <-> 20203000.i2s mapping ok
[    9.917313] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
--
[   10.324773] brcmfmac: brcmf_c_preinit_dcmds: CLM version = API: 12.2 Data: 7.11.15 Compiler: 1.24.2 ClmImport: 1.24.1 Creation: 2014-05-26 10:53:55 Inc Data: 9.10.41 Inc Compiler: 1.29.4 Inc ClmImport: 1.36.3 Creation: 2017-08-07 00:37:47 
[   12.465437] usbcore: registered new interface driver snd-usb-audio
[   13.832648] uart-pl011 20201000.serial: no DMA platform data