!!################################
!!ALSA Information Script v 0.4.65
!!################################

!!Script ran on: Fri Dec  4 21:22:41 UTC 2020


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

ID_LIKE=debian


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

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


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



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

Kernel release:    5.4.51-v7 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k5.4.51-v7 
Library version:    1.1.8
Utilities version:  1.1.8


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

snd_bcm2835
snd_soc_hifiberry_dacplus


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

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes


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

 0 [Headphones     ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones
                      bcm2835 Headphones
 1 [sndrpihifiberry]: HifiberryDacp - snd_rpi_hifiberry_dacplus
                      snd_rpi_hifiberry_dacplus


!!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
snd_rpi_iqaudio_dac: index=-2
snd_bcm2835: enable_compat_alsa=0
snd_bcm2835: enable_hdmi=1
snd_bcm2835: enable_headphones=1


!!Loaded sound module options
!!---------------------------

!!Module: snd_bcm2835
	enable_compat_alsa : N
	enable_hdmi : Y
	enable_headphones : Y
	force_bulk : N

!!Module: snd_soc_hifiberry_dacplus
	* : 


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

crw-rw---- 1 root audio 116,  0 Dec  4 22:18 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 32 Dec  4 22:18 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 16 Dec  4 22:18 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 48 Dec  4 22:18 /dev/snd/pcmC1D0p
crw-rw---- 1 root audio 116,  1 Dec  4 22:18 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Dec  4 22:18 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Dec  4 22:18 .
drwxr-xr-x 3 root root 180 Dec  4 22:18 ..
lrwxrwxrwx 1 root root  12 Dec  4 22:18 platform-bcm2835_audio -> ../controlC0
lrwxrwxrwx 1 root root  12 Dec  4 22:18 platform-soc:sound -> ../controlC1


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

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

ctl.!default {
    type hw
    card 0
}
pcm.equal {
    type plug;
    slave.pcm plugequal;
}
ctl.equal {
   type equal;
   module "Eq10";
}

pcm.plugequal {
   type equal;
   module "Eq10";
   slave {
     pcm "plughw:0,0";
   }
   hint {show on;description "Equalizer for plughw:0,0"}
}


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones]
  Subdevices: 8/8
  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 1: sndrpihifiberry [snd_rpi_hifiberry_dacplus], device 0: HiFiBerry DAC  HiFi pcm512x-hifi-0 [HiFiBerry DAC  HiFi pcm512x-hifi-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

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

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

!!-------Mixer controls for card Headphones

Card hw:0 'Headphones'/'bcm2835 Headphones'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 2
  Simple ctrls  : 1
Simple mixer control 'Headphone',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 sndrpihifiberry

Card hw:1 'sndrpihifiberry'/'snd_rpi_hifiberry_dacplus'
  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: 'FIR interpolation with de-emphasis'
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: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
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 207 [100%] [0.00dB] [on]
  Front Right: Playback 207 [100%] [0.00dB] [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.Headphones {
	control.1 {
		iface MIXER
		name 'Headphone 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 'Headphone Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
state.sndrpihifiberry {
	control.1 {
		iface MIXER
		name 'Digital Playback Volume'
		value.0 207
		value.1 207
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 207'
			dbmin -9999999
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	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 0
		value.1 0
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 1'
			dbmin 0
			dbmax 80
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	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 'FIR interpolation with de-emphasis'
		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
!!------------------

bcm2835_codec
bcm2835_isp
bcm2835_mmal_vchiq
bcm2835_v4l2
clk_hifiberry_dacpro
fixed
fuse
i2c_bcm2835
ip_tables
ipv6
mc
nf_defrag_ipv6
raspberrypi_hwmon
regmap_i2c
rfkill
snd
snd_bcm2835
snd_compress
snd_pcm
snd_pcm_dmaengine
snd_soc_bcm2835_i2s
snd_soc_core
snd_soc_hifiberry_dacplus
snd_soc_pcm512x
snd_soc_pcm512x_i2c
snd_timer
uio
uio_pdrv_genirq
v4l2_mem2mem
vc_sm_cma
videobuf2_common
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
x_tables


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

[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 227360
[    0.000000] Kernel command line: coherent_pool=1M snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=PARTUUID=0634f60c-02 rootfstype=ext4 elevator=deadline fsck.repair=yes net.ifnames=0 biosdevname=0 avoid_safe_mode=1 rootwait quiet
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
--
[    7.288924] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
[    7.289607] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    7.289641] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
--
[    7.389492] bcm2835_audio bcm2835_audio: card created with 8 channels
[    7.668890] snd-rpi-hifiberry-dacplus soc:sound: ASoC: failed to init link HiFiBerry DAC : -517
[    8.498223] snd-rpi-hifiberry-dacplus soc:sound: pcm512x-hifi <-> 3f203000.i2s mapping ok
[   10.843875] random: crng init done


!!Packages installed
!!--------------------

ii  alsa-utils                            1.1.8-2                               armhf        Utilities for configuring and using ALSA