!!################################
!!ALSA Information Script v 0.5.1
!!################################

!!Script ran on: Wed Sep 17 01:49:42 UTC 2025


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

Debian GNU/Linux 12 \n \l PRETTY_NAME="Debian GNU/Linux 12 (bookworm)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"


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

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


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



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

Kernel release:    6.12.34-haos-raspi
Operating System:  GNU/Linux
Architecture:      aarch64
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     
Library version:    1.2.8
Utilities version:  1.2.8


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



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

No sound servers found.


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



!!Modprobe options (Sound related)
!!--------------------------------

snd_pcsp: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_bcm2835: enable_headphones=0


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


!!Sysfs card info
!!---------------

!!Card: /sys/class/sound/card0
Driver: /sys/bus/platform/drivers/asoc-simple-card
Tree:

!!Card: /sys/class/sound/card1
Driver: /sys/bus/usb/drivers/snd-usb-audio
Tree:


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

crw-rw---- 1 root audio 116,  5 Sep 14 20:26 /dev/snd/controlC0
crw-rw---- 1 root audio 116,  3 Sep 15 13:39 /dev/snd/controlC1
crw-rw---- 1 root audio 116,  4 Sep 14 20:26 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116,  2 Sep 15 13:39 /dev/snd/pcmC1D0c
crw-rw---- 1 root audio 116,  1 Jun 25 09:17 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Sep 14 20:26 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 Sep 15 13:39 .
drwxr-xr-x 4 root root 200 Sep 15 13:39 ..
lrwxrwxrwx 1 root root  12 Sep 15 13:39 usb-KTMicro_BY-LM40_214b206000000178-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 100 Sep 15 13:39 .
drwxr-xr-x 4 root root 200 Sep 15 13:39 ..
lrwxrwxrwx 1 root root  12 Sep 15 13:39 platform-1000480000.usb-usb-0:1.2:1.0 -> ../controlC1
lrwxrwxrwx 1 root root  12 Sep 15 13:39 platform-1000480000.usb-usbv2-0:1.2:1.0 -> ../controlC1
lrwxrwxrwx 1 root root  12 Sep 14 20:26 platform-soc@107c000000:sound -> ../controlC0


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

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

# Default to PulseAudio

pcm.!default {
    type pulse
    hint {
        show on
        description "Default ALSA Output (Home Assistant PulseAudio Sound Server)"
    }
}

ctl.!default {
    type pulse
}


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: pcm5121sound [pcm5121-sound], device 0: 1f000a0000.i2s-pcm512x-hifi pcm512x-hifi-0 [1f000a0000.i2s-pcm512x-hifi pcm512x-hifi-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: BYLM40 [BY-LM40], device 0: USB Audio [USB Audio]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

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


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

--startcollapse--
state.pcm5121sound {
	control.1 {
		iface MIXER
		name 'Digital Playback Volume'
		value.0 207
		value.1 207
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 255'
			dbmin -9999999
			dbmax 2400
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	control.2 {
		iface MIXER
		name 'Analogue Playback Volume'
		value.0 0
		value.1 0
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 1'
			dbmin -600
			dbmax 0
			dbvalue.0 -600
			dbvalue.1 -600
		}
	}
	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'
		}
	}
}
state.BYLM40 {
	control.1 {
		iface PCM
		name 'Capture Channel Map'
		value 2
		comment {
			access 'read volatile'
			type INTEGER
			count 1
			range '0 - 36'
		}
	}
	control.2 {
		iface MIXER
		name 'Mic Capture Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.3 {
		iface MIXER
		name 'Mic Capture Volume'
		value 91
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 100'
			dbmin -5000
			dbmax 0
			dbvalue.0 -450
		}
	}
}
--endcollapse--


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

aes_ce_blk
aes_ce_cipher
af_alg
algif_hash
algif_skcipher
backlight
bluetooth
bnep
brcmfmac
brcmfmac_wcc
brcmutil
btbcm
btintel
btqca
btrtl
btsdio
cfg80211
designware_i2s
drm
drm_panel_orientation_quirks
ecc
ecdh_generic
fuse
ghash_ce
gpio_keys
hci_uart
i2c_designware_core
i2c_designware_platform
ip_set
ip_set_hash_net
libaes
nf_conntrack_netlink
nf_tables
nfnetlink
nft_chain_nat
nft_compat
nvmem_rmem
pisp_be
raspberrypi_gpiomem
raspberrypi_hwmon
regmap_i2c
rfcomm
rfkill
rp1_adc
rp1_fw
rp1_mailbox
rp1_pio
rpi_hevc_dec
rtc_pcf85063
sch_fq_codel
sha1_ce
sha1_generic
sha256_arm64
sha2_ce
snd
snd_compress
snd_hwdep
snd_pcm
snd_pcm_dmaengine
snd_rawmidi
snd_seq_device
snd_soc_core
snd_soc_pcm512x
snd_soc_pcm512x_i2c
snd_soc_simple_card
snd_soc_simple_card_utils
snd_timer
snd_usb_audio
snd_usbmidi_lib
spi_bcm2835
spidev
uio
uio_pdrv_genirq
v4l2_mem2mem
videobuf2_common
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
xfrm_user
xt_mark
xt_pkttype
xt_set


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

[    0.000000] alternatives: applying boot alternatives
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0  smsc95xx.macaddr=2C:CF:67:FB:C1:AE vc_mem.mem_base=0x3fc00000 vc_mem.mem_size=0x40000000  dwc_otg.lpm_enable=0 console=tty0 console=ttyAMA2,115200n8 zram.enabled=1 zram.num_devices=3 rootwait systemd.machine_id=a61f6a0480bd4dbbb2a628c1714064e4 cgroup_enable=memory fsck.repair=yes  root=PARTUUID=8d3d53e3-6d49-4c38-8349-aff6859e82fd ro rauc.slot=A
[    0.000000] cgroup: Enabling memory control group subsystem
--
[   23.460131] input: gpio-keys as /devices/platform/gpio-keys/input/input2
[   23.528686] usbcore: registered new interface driver snd-usb-audio
[   23.528808] pispbe 1000880000.pisp_be: bcm2712_iommu_of_xlate: MMU 1000005100.iommu


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

ii  alsa-utils                  1.2.8-1                             arm64        Utilities for configuring and using ALSA