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

!!Script ran on: Sun Apr 11 09:53:21 UTC 2021


!!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:    5.10.17-v7l 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k5.10.17-v7l 
Library version:    1.1.8
Utilities version:  1.1.8


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

snd_soc_rpi_simple_soundcard


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

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


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

 0 [sndrpihifiberry]: RPi-simple - snd_rpi_hifiberry_dac
                      snd_rpi_hifiberry_dac


!!PCI Soundcards installed in the system
!!--------------------------------------



!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------



!!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_bcm2835: enable_compat_alsa=0
snd_bcm2835: enable_hdmi=1


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

!!Module: snd_soc_rpi_simple_soundcard
	* : 


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

crw-rw----  1 root audio 116,  0 Apr 11 11:41 /dev/snd/controlC0
crw-rw----  1 root audio 116, 16 Apr 11 11:41 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116,  1 Apr 11 11:43 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Apr 11 11:41 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Apr 11 11:41 .
drwxr-xr-x 3 root root 140 Apr 11 11:41 ..
lrwxrwxrwx 1 root root  12 Apr 11 11:41 platform-soc:sound -> ../controlC0


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

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

pcm.real {
  type hw
  card 0
  device 0
}

pcm.dmixer {
  type dmix
  ipc_key 1024
  ipc_perm 0666
  slave.pcm "real"
  slave {
    period_time 0
    period_size 1024
    buffer_size 8192
    rate 44100
  }
  bindings {
    0 0
    1 1
  }
}

ctl.dmixer {
  type hw
  card 0
}

pcm.softvol {
  type softvol
  slave.pcm "dmixer"
  control {
    name "PCM" # Masquerade as the default "PCM" sound device on Pi (for EmulationStation)
    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 [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 [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: 74 [29%]
  Front Right: 74 [29%]


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

--startcollapse--
state.sndrpihifiberry {
	control.1 {
		iface MIXER
		name PCM
		value.0 74
		value.1 74
		comment {
			access 'read write user'
			type INTEGER
			count 2
			range '0 - 255'
			tlv '0000000100000008ffffec1400000014'
			dbmin -5100
			dbmax 0
			dbvalue.0 -3620
			dbvalue.1 -3620
		}
	}
}
--endcollapse--


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

Module
snd_seq_dummy
snd_seq_midi
snd_seq_midi_event
snd_rawmidi
snd_seq
snd_seq_device
xfrm4_tunnel
tunnel4
ipcomp
xfrm_ipcomp
esp4
ah4
af_key
brcmfmac
brcmutil
sha256_generic
joydev
cfg80211
rfkill
v3d
vc4
gpu_sched
raspberrypi_hwmon
cec
snd_soc_rpi_simple_soundcard
bcm2835_codec
bcm2835_v4l2
bcm2835_isp
v4l2_mem2mem
bcm2835_mmal_vchiq
videobuf2_vmalloc
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_common
videodev
drm_kms_helper
mc
vc_sm_cma
snd_soc_bcm2835_i2s
drm
drm_panel_orientation_quirks
snd_soc_pcm5102a
snd_soc_core
snd_compress
snd_pcm_dmaengine
rpivid_mem
snd_pcm_oss
snd_pcm
snd_timer
syscopyarea
snd
sysfillrect
sysimgblt
fb_sys_fops
backlight
gpio_keys
uio_pdrv_genirq
uio
nvmem_rmem
uinput
ip_tables
x_tables
ipv6


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

[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 2012928
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:3840x2160M@60 smsc95xx.macaddr=DC:A6:32:BB:8D:00 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  console=ttyAMA0,115200 console=tty1 root=PARTUUID=e22bcd10-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait loglevel=3 consoleblank=0 plymouth.enable=0
[    0.000000] Kernel parameter elevator= does not have any effect anymore.