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

!!Script ran on: Tue Apr 28 07:33:05 UTC 2020


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


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

Driver version:     k4.19.57-v7 
Library version:    1.1.8
Utilities version:  1.1.8


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

snd_soc_iqaudio_dac


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

No sound servers found.


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

 0 [IQaudIODAC     ]: IQaudIODAC - IQaudIODAC
                      IQaudIODAC


!!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_iqaudio_dac
	* : 


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

crw-rw---- 1 root audio 116,  0 Mar 25 17:17 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 16 Mar 25 17:17 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116,  1 Mar 25 17:17 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Mar 25 17:17 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Mar 25 17:17 .
drwxr-xr-x 3 root root 140 Mar 25 17:17 ..
lrwxrwxrwx 1 root root  12 Mar 25 17:17 platform-soc:sound -> ../controlC0


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: IQaudIODAC [IQaudIODAC], device 0: IQaudIO DAC HiFi pcm512x-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****

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

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

Card hw:0 'IQaudIODAC'/'IQaudIODAC'
  Mixer name	: ''
  Components	: ''
  Controls      : 20
  Simple ctrls  : 19
Simple mixer control 'DSP Program',0
  Capabilities: enum
  Items: 'FIR interpolation with de-emphasis' 'Low latency IIR with de-emphasis' 'High attenuation with de-emphasis' 'Fixed process flow' 'Ringing-less low latency FIR'
  Item0: 'Ringing-less low latency FIR'
Simple mixer control 'Analogue',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 1
  Mono:
  Front Left: Playback 1 [100%] [0.00dB]
  Front Right: Playback 1 [100%] [0.00dB]
Simple mixer control 'Analogue Playback Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 1
  Front Left: 1 [100%] [0.80dB]
  Front Right: 1 [100%] [0.80dB]
Simple mixer control 'Auto Mute',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [on]
  Front Right: Playback [on]
Simple mixer control 'Auto Mute Mono',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Auto Mute Time Left',0
  Capabilities: enum
  Items: '21ms' '106ms' '213ms' '533ms' '1.07s' '2.13s' '5.33s' '10.66s'
  Item0: '21ms'
Simple mixer control 'Auto Mute Time Right',0
  Capabilities: enum
  Items: '21ms' '106ms' '213ms' '533ms' '1.07s' '2.13s' '5.33s' '10.66s'
  Item0: '21ms'
Simple mixer control 'Clock Missing Period',0
  Capabilities: enum
  Items: '1s' '2s' '3s' '4s' '5s' '6s' '7s' '8s'
  Item0: '1s'
Simple mixer control 'Deemphasis',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Digital',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 207
  Mono:
  Front Left: Playback 120 [58%] [-43.50dB] [on]
  Front Right: Playback 120 [58%] [-43.50dB] [on]
Simple mixer control 'Max Overclock DAC',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 40
  Mono: 0 [0%]
Simple mixer control 'Max Overclock DSP',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 40
  Mono: 0 [0%]
Simple mixer control 'Max Overclock PLL',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 20
  Mono: 0 [0%]
Simple mixer control 'Volume Ramp Down Emergency Rate',0
  Capabilities: enum
  Items: '1 sample/update' '2 samples/update' '4 samples/update' 'Immediate'
  Item0: '1 sample/update'
Simple mixer control 'Volume Ramp Down Emergency Step',0
  Capabilities: enum
  Items: '4dB/step' '2dB/step' '1dB/step' '0.5dB/step'
  Item0: '4dB/step'
Simple mixer control 'Volume Ramp Down Rate',0
  Capabilities: enum
  Items: '1 sample/update' '2 samples/update' '4 samples/update' 'Immediate'
  Item0: '1 sample/update'
Simple mixer control 'Volume Ramp Down Step',0
  Capabilities: enum
  Items: '4dB/step' '2dB/step' '1dB/step' '0.5dB/step'
  Item0: '1dB/step'
Simple mixer control 'Volume Ramp Up Rate',0
  Capabilities: enum
  Items: '1 sample/update' '2 samples/update' '4 samples/update' 'Immediate'
  Item0: '1 sample/update'
Simple mixer control 'Volume Ramp Up Step',0
  Capabilities: enum
  Items: '4dB/step' '2dB/step' '1dB/step' '0.5dB/step'
  Item0: '1dB/step'


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

--startcollapse--
state.IQaudIODAC {
	control.1 {
		iface MIXER
		name 'Digital Playback Volume'
		value.0 120
		value.1 120
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 207'
			dbmin -9999999
			dbmax 0
			dbvalue.0 -4350
			dbvalue.1 -4350
		}
	}
	control.2 {
		iface MIXER
		name 'Analogue Playback Volume'
		value.0 1
		value.1 1
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 1'
			dbmin -600
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	control.3 {
		iface MIXER
		name 'Analogue Playback Boost Volume'
		value.0 1
		value.1 1
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 1'
			dbmin 0
			dbmax 80
			dbvalue.0 80
			dbvalue.1 80
		}
	}
	control.4 {
		iface MIXER
		name 'Digital Playback Switch'
		value.0 true
		value.1 true
		comment {
			access 'read write'
			type BOOLEAN
			count 2
		}
	}
	control.5 {
		iface MIXER
		name 'Deemphasis Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.6 {
		iface MIXER
		name 'DSP Program'
		value 'Ringing-less low latency FIR'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 'FIR interpolation with de-emphasis'
			item.1 'Low latency IIR with de-emphasis'
			item.2 'High attenuation with de-emphasis'
			item.3 'Fixed process flow'
			item.4 'Ringing-less low latency FIR'
		}
	}
	control.7 {
		iface MIXER
		name 'Clock Missing Period'
		value '1s'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '1s'
			item.1 '2s'
			item.2 '3s'
			item.3 '4s'
			item.4 '5s'
			item.5 '6s'
			item.6 '7s'
			item.7 '8s'
		}
	}
	control.8 {
		iface MIXER
		name 'Auto Mute Time Left'
		value '21ms'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '21ms'
			item.1 '106ms'
			item.2 '213ms'
			item.3 '533ms'
			item.4 '1.07s'
			item.5 '2.13s'
			item.6 '5.33s'
			item.7 '10.66s'
		}
	}
	control.9 {
		iface MIXER
		name 'Auto Mute Time Right'
		value '21ms'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '21ms'
			item.1 '106ms'
			item.2 '213ms'
			item.3 '533ms'
			item.4 '1.07s'
			item.5 '2.13s'
			item.6 '5.33s'
			item.7 '10.66s'
		}
	}
	control.10 {
		iface MIXER
		name 'Auto Mute Mono Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.11 {
		iface MIXER
		name 'Auto Mute Switch'
		value.0 true
		value.1 true
		comment {
			access 'read write'
			type BOOLEAN
			count 2
		}
	}
	control.12 {
		iface MIXER
		name 'Volume Ramp Down Rate'
		value '1 sample/update'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '1 sample/update'
			item.1 '2 samples/update'
			item.2 '4 samples/update'
			item.3 Immediate
		}
	}
	control.13 {
		iface MIXER
		name 'Volume Ramp Down Step'
		value '1dB/step'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '4dB/step'
			item.1 '2dB/step'
			item.2 '1dB/step'
			item.3 '0.5dB/step'
		}
	}
	control.14 {
		iface MIXER
		name 'Volume Ramp Up Rate'
		value '1 sample/update'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '1 sample/update'
			item.1 '2 samples/update'
			item.2 '4 samples/update'
			item.3 Immediate
		}
	}
	control.15 {
		iface MIXER
		name 'Volume Ramp Up Step'
		value '1dB/step'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '4dB/step'
			item.1 '2dB/step'
			item.2 '1dB/step'
			item.3 '0.5dB/step'
		}
	}
	control.16 {
		iface MIXER
		name 'Volume Ramp Down Emergency Rate'
		value '1 sample/update'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '1 sample/update'
			item.1 '2 samples/update'
			item.2 '4 samples/update'
			item.3 Immediate
		}
	}
	control.17 {
		iface MIXER
		name 'Volume Ramp Down Emergency Step'
		value '4dB/step'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 '4dB/step'
			item.1 '2dB/step'
			item.2 '1dB/step'
			item.3 '0.5dB/step'
		}
	}
	control.18 {
		iface MIXER
		name 'Max Overclock PLL'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 20'
		}
	}
	control.19 {
		iface MIXER
		name 'Max Overclock DSP'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 40'
		}
	}
	control.20 {
		iface MIXER
		name 'Max Overclock DAC'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 40'
		}
	}
}
--endcollapse--


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

Module
tcp_diag
inet_diag
cmac
bnep
hci_uart
btbcm
serdev
bluetooth
ecdh_generic
snd_soc_pcm512x_i2c
snd_soc_pcm512x
brcmfmac
brcmutil
sha256_generic
raspberrypi_hwmon
hwmon
snd_soc_iqaudio_dac
cfg80211
snd_soc_bcm2835_i2s
rfkill
bcm2835_codec
snd_soc_core
v4l2_mem2mem
bcm2835_v4l2
snd_compress
bcm2835_mmal_vchiq
snd_pcm_dmaengine
videobuf2_dma_contig
v4l2_common
snd_pcm
videobuf2_vmalloc
videobuf2_memops
videobuf2_v4l2
i2c_bcm2835
snd_timer
videobuf2_common
snd
videodev
media
vc_sm_cma
uio_pdrv_genirq
uio
fixed
ip_tables
x_tables
ipv6


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

[    5.682203] bcm2835_mmal_vchiq: Failed to open VCHI service connection (status=-1)
[    5.770907] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[    5.788604] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[    5.833059] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    5.957171] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    6.046675] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[    6.048947] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
--
[    6.066328] usbcore: registered new interface driver brcmfmac
[    6.066897] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[    6.280644] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
--
[    6.564043] pcm512x 1-004c: Linked as a consumer to regulator.1
[    6.580152] snd-rpi-iqaudio-dac soc:sound: pcm512x-hifi <-> 3f203000.i2s mapping ok
[    6.984133] random: crng init done