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

!!Script ran on: Fri Sep 22 07:01:32 UTC 2017


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.9.41 
Operating System:  GNU/Linux
Architecture:      armv6l
Processor:         unknown
SMP Enabled:       No


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

Driver version:     k4.9.41 
Library version:    1.1.3
Utilities version:  1.1.3


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

snd_bcm2835
snd_soc_hifiberry_dac


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

No sound servers found.


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

 0 [ALSA           ]: bcm2835 - bcm2835 ALSA
                      bcm2835 ALSA
 1 [sndrpihifiberry]: HifiberryDac - snd_rpi_hifiberry_dac
                      snd_rpi_hifiberry_dac


!!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_bcm2835
	force_bulk : N

!!Module: snd_soc_hifiberry_dac
	* : 


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

crw-rw---- 1 root audio 116,  0 Sep 21 21:25 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 32 Sep 21 21:25 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 16 Sep 22 06:55 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 17 Sep 21 21:25 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 48 Sep 21 21:25 /dev/snd/pcmC1D0p
crw-rw---- 1 root audio 116,  1 Sep 21 21:24 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Sep 21 21:24 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Sep 21 21:25 .
drwxr-xr-x 3 root root 200 Sep 21 21:25 ..
lrwxrwxrwx 1 root root  12 Sep 21 21:25 platform-soc:audio -> ../controlC0
lrwxrwxrwx 1 root root  12 Sep 21 21:25 platform-soc:sound -> ../controlC1


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
  Subdevices: 7/8
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
  Subdevice #4: subdevice #4
  Subdevice #5: subdevice #5
  Subdevice #6: subdevice #6
  Subdevice #7: subdevice #7
card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: 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 ****

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

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

Card hw:0 'ALSA'/'bcm2835 ALSA'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 6
  Simple ctrls  : 1
Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback -10239 - 400
  Mono: Playback -2000 [77%] [-20.00dB] [on]

!!-------Mixer controls for card 1 [sndrpihifiberry]:]

Card hw:1 'sndrpihifiberry'/'snd_rpi_hifiberry_dac'
  Mixer name	: ''
  Components	: ''
  Controls      : 0
  Simple ctrls  : 0


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

--startcollapse--
state.ALSA {
	control.1 {
		iface MIXER
		name 'PCM Playback Volume'
		value -2000
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 -2000
		}
	}
	control.2 {
		iface MIXER
		name 'PCM Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.3 {
		iface MIXER
		name 'PCM Playback Route'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 2'
		}
	}
	control.4 {
		iface PCM
		name 'IEC958 Playback Default'
		value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write'
			type IEC958
			count 1
		}
	}
	control.5 {
		iface PCM
		name 'IEC958 Playback Con Mask'
		value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access read
			type IEC958
			count 1
		}
	}
	control.6 {
		iface PCM
		name 'IEC958 Playback PCM Stream'
		value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write inactive'
			type IEC958
			count 1
		}
	}
}
state.sndrpihifiberry {
	control {
	}
}
--endcollapse--


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

Module
cmac
bnep
hci_uart
btbcm
bluetooth
brcmfmac
brcmutil
cfg80211
snd_soc_hifiberry_dac
rfkill
snd_bcm2835
snd_soc_bcm2835_i2s
regmap_mmio
snd_soc_pcm5102a
bcm2835_gpiomem
snd_soc_core
snd_compress
snd_pcm_dmaengine
snd_pcm
snd_timer
snd
uio_pdrv_genirq
uio
fixed
ip_tables
x_tables
ipv6


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

[    8.131370] gpiomem-bcm2835 20200000.gpiomem: Initialised: Registers at 0x20200000
[    8.656588] snd-hifiberry-dac soc:sound: pcm5102a-hifi <-> 20203000.i2s mapping ok
[    9.221837] usbcore: registered new interface driver brcmfmac