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

!!Script ran on: Tue Feb 27 07:40:31 UTC 2018


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

ID_LIKE=debian


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

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


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

Kernel release:    4.9.68 
Operating System:  GNU/Linux
Architecture:      armv6l
Processor:         unknown
SMP Enabled:       No


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

Driver version:     k4.9.68 
Library version:    1.0.28
Utilities version:  1.0.28


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

snd_soc_simple_card


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

No sound servers found.


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

 0 [sndrpisimplecar]: snd_rpi_simple_ - snd_rpi_simple_card
                      snd_rpi_simple_card


!!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_simple_card
	* : 


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

crw-rw---- 1 root audio 116,  0 Jan  1  1970 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 24 Jan  1  1970 /dev/snd/pcmC0D0c
crw-rw---- 1 root audio 116, 16 Jan  1  1970 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116,  1 Jan  1  1970 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Jan  1  1970 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Jan  1  1970 .
drwxr-xr-x 3 root root 160 Jan  1  1970 ..
lrwxrwxrwx 1 root root  12 Jan  1  1970 platform-asoc-simple-card.0 -> ../controlC0


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

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

#This section makes a reference to your I2S hardware, adjust the card name
# to what is shown in arecord -l after card x: before the name in []
#You may have to adjust channel count also but stick with default first
pcm.dmic_hw {
	type hw
	card sndrpisimplecar
	channels 2
	format S32_LE
}
 
#This is the software volume control, it links to the hardware above and after
# saving the .asoundrc file you can type alsamixer, press F6 to select
# your I2S mic then F4 to set the recording volume and arrow up and down
# to adjust the volume
# After adjusting the volume - go for 50 percent at first, you can do
# something like 
# arecord -D dmic_sv -c2 -r 48000 -f S32_LE -t wav -V mono -v myfile.wav
pcm.dmic_sv {
	type softvol
	slave.pcm dmic_hw
	control {
		name "Boost Capture Volume"
		card sndrpisimplecar
	}
	min_dB -3.0
	max_dB 30.0
}


!!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: sndrpisimplecar [snd_rpi_simple_card], device 0: simple-card_codec_link snd-soc-dummy-dai-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: sndrpisimplecar [snd_rpi_simple_card], device 0: simple-card_codec_link snd-soc-dummy-dai-0 []
  Subdevices: 0/1
  Subdevice #0: subdevice #0

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

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

Card hw:0 'sndrpisimplecar'/'snd_rpi_simple_card'
  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%]


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

--startcollapse--
state.sndrpisimplecar {
	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 '00000001000000080000000000000014'
			dbmin 0
			dbmax 5100
			dbvalue.0 5100
			dbvalue.1 5100
		}
	}
}
--endcollapse--


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

Module
bnep
hci_uart
btbcm
bluetooth
binfmt_misc
spidev
brcmfmac
brcmutil
cfg80211
snd_soc_hifiberry_dac
rfkill
snd_soc_bcm2835_i2s
regmap_mmio
i2c_bcm2835
spi_bcm2835
bcm2835_gpiomem
w1_gpio
wire
snd_soc_pcm5102a
cn
uio_pdrv_genirq
fixed
uio
snd_soc_simple_card
snd_soc_simple_card_utils
snd_soc_core
snd_compress
snd_pcm_dmaengine
snd_pcm
snd_timer
snd
my_loader
i2c_dev
ipv6


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

[    9.628915] asoc-simple-card asoc-simple-card.0: ASoC: CPU DAI 20203000.i2s not registered - will retry
[    9.668156] asoc-simple-card asoc-simple-card.0: snd-soc-dummy-dai <-> 20203000.i2s mapping ok
[   10.041684] bcm2835-i2s 20203000.i2s: Trying to bind component to card "snd_rpi_hifiberry_dac" but is already bound to card "snd_rpi_simple_card"
[   10.041708] snd-hifiberry-dac soc:sound: ASoC: failed to instantiate card -19
[   10.041883] snd-hifiberry-dac soc:sound: snd_soc_register_card() failed: -19
[   11.180499] brcmfmac: F1 signature read @0x18000000=0x1541a9a6