!!################################
!!ALSA Information Script v 0.5.3
!!################################

!!Script ran on: Thu Aug 28 11:12:15 UTC 2025


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

Ubuntu 25.04 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 25.04" PRETTY_NAME="Ubuntu 25.04" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=plucky LOGO=ubuntu-logo


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

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


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



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



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

Kernel release:    #13-Ubuntu SMP PREEMPT_DYNAMIC Tue Aug 19 13:57:45 UTC 2025
Operating System:  GNU/Linux
Architecture:      aarch64
Processor:         aarch64
SMP Enabled:       Yes


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

Driver version:     k6.14.0-1013-raspi
Library version:    1.2.13
Utilities version:  1.2.13


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

vc4 (card 0)
vc4 (card 1)


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

PipeWire:
      Installed - Yes (/usr/bin/pipewire)
      Running - Yes

No sound servers found.


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

 0 [vc4hdmi0       ]: vc4-hdmi - vc4-hdmi-0
                      vc4-hdmi-0
 1 [vc4hdmi1       ]: vc4-hdmi - vc4-hdmi-1
                      vc4-hdmi-1


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



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

snd_pcsp: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2


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

!!Module: vc4
	fkms_max_refresh_rate : 85
	force_hotplug : 0
	tv_norm : (null)

!!Module: vc4
	fkms_max_refresh_rate : 85
	force_hotplug : 0
	tv_norm : (null)


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

!!Card: /sys/class/sound/card0
Driver: /sys/bus/platform/drivers/vc4_hdmi
Tree:
	/sys/class/sound/card0
	|-- controlC0
	|   |-- dev
	|   |-- device -> ../../card0
	|   |-- power
	|   |-- subsystem -> ../../../../../../../class/sound
	|   `-- uevent
	|-- device -> ../../../107c701400.hdmi
	|-- id
	|-- input18
	|   |-- capabilities
	|   |-- device -> ../../card0
	|   |-- event5
	|   |-- id
	|   |-- inhibited
	|   |-- modalias
	|   |-- name
	|   |-- phys
	|   |-- power
	|   |-- properties
	|   |-- subsystem -> ../../../../../../../class/input
	|   |-- uevent
	|   `-- uniq
	|-- number
	|-- pcmC0D0p
	|   |-- dev
	|   |-- device -> ../../card0
	|   |-- pcm_class
	|   |-- power
	|   |-- subsystem -> ../../../../../../../class/sound
	|   `-- uevent
	|-- power
	|   |-- autosuspend_delay_ms
	|   |-- control
	|   |-- runtime_active_kids
	|   |-- runtime_active_time
	|   |-- runtime_enabled
	|   |-- runtime_status
	|   |-- runtime_suspended_time
	|   `-- runtime_usage
	|-- subsystem -> ../../../../../../class/sound
	`-- uevent

!!Card: /sys/class/sound/card1
Driver: /sys/bus/platform/drivers/vc4_hdmi
Tree:
	/sys/class/sound/card1
	|-- controlC1
	|   |-- dev
	|   |-- device -> ../../card1
	|   |-- power
	|   |-- subsystem -> ../../../../../../../class/sound
	|   `-- uevent
	|-- device -> ../../../107c706400.hdmi
	|-- id
	|-- input20
	|   |-- capabilities
	|   |-- device -> ../../card1
	|   |-- event7
	|   |-- id
	|   |-- inhibited
	|   |-- modalias
	|   |-- name
	|   |-- phys
	|   |-- power
	|   |-- properties
	|   |-- subsystem -> ../../../../../../../class/input
	|   |-- uevent
	|   `-- uniq
	|-- number
	|-- pcmC1D0p
	|   |-- dev
	|   |-- device -> ../../card1
	|   |-- pcm_class
	|   |-- power
	|   |-- subsystem -> ../../../../../../../class/sound
	|   `-- uevent
	|-- power
	|   |-- autosuspend_delay_ms
	|   |-- control
	|   |-- runtime_active_kids
	|   |-- runtime_active_time
	|   |-- runtime_enabled
	|   |-- runtime_status
	|   |-- runtime_suspended_time
	|   `-- runtime_usage
	|-- subsystem -> ../../../../../../class/sound
	`-- uevent


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

crw-rw----  1 root audio 116,  3 Aug 28 13:09 /dev/snd/controlC0
crw-rw----  1 root audio 116,  5 Aug 28 13:09 /dev/snd/controlC1
crw-rw----  1 root audio 116,  2 Aug 28 13:09 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116,  4 Aug 28 13:09 /dev/snd/pcmC1D0p
crw-rw----  1 root audio 116,  1 Aug 28 13:09 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Aug 28 13:09 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Aug 27 16:53 .
drwxr-xr-x 3 root root 180 Aug 27 16:53 ..
lrwxrwxrwx 1 root root  12 Aug 27 16:53 platform-107c701400.hdmi -> ../controlC0
lrwxrwxrwx 1 root root  12 Aug 27 16:53 platform-107c706400.hdmi -> ../controlC1


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 1: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

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

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

!!-------Mixer controls for card vc4hdmi0

Card sysdefault:0 'vc4hdmi0'/'vc4-hdmi-0'
  Mixer name	: ''
  Components	: ''
  Controls      : 5
  Simple ctrls  : 0

!!-------Mixer controls for card vc4hdmi1

Card sysdefault:1 'vc4hdmi1'/'vc4-hdmi-1'
  Mixer name	: ''
  Components	: ''
  Controls      : 5
  Simple ctrls  : 0


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

--startcollapse--
state.vc4hdmi0 {
	control.1 {
		iface CARD
		name 'HDMI Jack'
		value true
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.2 {
		iface PCM
		name 'Playback Channel Map'
		value.0 3
		value.1 4
		value.2 0
		value.3 0
		value.4 0
		value.5 0
		value.6 0
		value.7 0
		comment {
			access 'read volatile'
			type INTEGER
			count 8
			range '0 - 36'
		}
	}
	control.3 {
		iface PCM
		name 'IEC958 Playback Mask'
		value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
		comment {
			access read
			type IEC958
			count 1
		}
	}
	control.4 {
		iface PCM
		name 'IEC958 Playback Default'
		value '0482000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write locked'
			type IEC958
			count 1
		}
	}
	control.5 {
		iface PCM
		name ELD
		value '100007006910000100000000000000003669b4304d5349204d50323733090707000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read volatile'
			type BYTES
			count 128
		}
	}
}
state.vc4hdmi1 {
	control.1 {
		iface CARD
		name 'HDMI Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.2 {
		iface PCM
		name 'Playback Channel Map'
		value.0 0
		value.1 0
		value.2 0
		value.3 0
		value.4 0
		value.5 0
		value.6 0
		value.7 0
		comment {
			access 'read volatile'
			type INTEGER
			count 8
			range '0 - 36'
		}
	}
	control.3 {
		iface PCM
		name 'IEC958 Playback Mask'
		value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
		comment {
			access read
			type IEC958
			count 1
		}
	}
	control.4 {
		iface PCM
		name 'IEC958 Playback Default'
		value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write'
			type IEC958
			count 1
		}
	}
	control.5 {
		iface PCM
		name ELD
		value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read volatile'
			type BYTES
			count 128
		}
	}
}
--endcollapse--


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

8250_bcm7271
ac97_bus
aes_ce_blk
aes_ce_cipher
af_alg
algif_hash
algif_skcipher
autofs4
backlight
binfmt_misc
blake2b_generic
bluetooth
bnep
brcmfmac
brcmfmac_wcc
brcmutil
bridge
btbcm
btintel
btqca
btrfs
btrtl
btsdio
cec
cfg80211
cqhci
drm_client_lib
drm_display_helper
drm_dma_helper
drm_kms_helper
drm_shmem_helper
dwc2
dwc3
efi_pstore
fuse
gf128mul
ghash_ce
gpio_brcmstb
gpio_generic
gpio_keys
gpu_sched
hci_uart
hid_generic
hid_logitech_dj
hid_logitech_hidpp
i2c_brcmstb
i2c_designware_core
i2c_designware_platform
input_leds
ip6t_REJECT
ip6t_rt
ip_set
ip_tables
ipt_REJECT
joydev
llc
macb
mc
nf_conntrack
nf_conntrack_netlink
nf_defrag_ipv4
nf_defrag_ipv6
nf_log_syslog
nf_nat
nf_reject_ipv4
nf_reject_ipv6
nf_tables
nfnetlink
nft_chain_nat
nft_compat
nft_limit
nvme
nvme_auth
nvme_core
nvmem_rmem
onboard_usb_dev
overlay
phy_generic
phylink
pisp_be
polyval_ce
polyval_generic
pwm_fan
pwm_rp1
pwrseq_core
qrtr
raid6_pq
raspberrypi_gpiomem
raspberrypi_hwmon
reset_brcmstb
reset_brcmstb_rescal
rfcomm
rfkill
roles
rp1_adc
rp1_mailbox
rpivid_hevc
rtc_rpi
sch_fq_codel
sdhci_brcmstb
sha1_ce
sha256_arm64
sha2_ce
sm4
snd
snd_compress
snd_hrtimer
snd_pcm
snd_pcm_dmaengine
snd_rawmidi
snd_seq
snd_seq_device
snd_seq_dummy
snd_seq_midi
snd_seq_midi_event
snd_soc_core
snd_soc_hdmi_codec
snd_timer
spi_bcm2835
spi_dw
spi_dw_mmio
spidev
stp
tls
uas
udc_core
uio
uio_pdrv_genirq
ulpi
usb_storage
usbhid
v3d
v4l2_mem2mem
vc4
veth
videobuf2_common
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videodev
x_tables
xfrm_algo
xfrm_user
xhci_plat_hcd
xor
xor_neon
xt_LOG
xt_MASQUERADE
xt_addrtype
xt_conntrack
xt_hl
xt_limit
xt_nat
xt_set
xt_tcpudp
zstd


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

[    8.136748] input: vc4-hdmi-0 as /devices/platform/soc@107c000000/107c701400.hdmi/rc/rc0/input17
[    8.142371] input: vc4-hdmi-0 HDMI Jack as /devices/platform/soc@107c000000/107c701400.hdmi/sound/card0/input18
[    8.143949] vc4-drm axi:gpu: bound 107c701400.hdmi (ops vc4_hdmi_ops [vc4])
--
[    8.147698] input: vc4-hdmi-1 as /devices/platform/soc@107c000000/107c706400.hdmi/rc/rc1/input19
[    8.151562] input: vc4-hdmi-1 HDMI Jack as /devices/platform/soc@107c000000/107c706400.hdmi/sound/card1/input20
[    8.152816] vc4-drm axi:gpu: bound 107c706400.hdmi (ops vc4_hdmi_ops [vc4])
--
[66197.051592] WARNING: CPU: 0 PID: 2792 at drivers/gpu/drm/vc4/vc4_hdmi.c:703 vc4_hdmi_write_infoframe 0x5a4/0x750 [vc4]
[66197.051635] Modules linked in: veth tls snd_seq_dummy snd_hrtimer nf_conntrack_netlink xt_nat xt_MASQUERADE bridge stp llc xt_set ip_set nft_chain_nat nf_nat xfrm_user xfrm_algo overlay qrtr rfcomm algif_hash algif_skcipher af_alg bnep vc4 snd_soc_hdmi_codec ip6t_REJECT nf_reject_ipv6 drm_display_helper hci_uart xt_hl cec ip6t_rt btqca drm_client_lib aes_ce_blk drm_dma_helper aes_ce_cipher polyval_ce ipt_REJECT nf_reject_ipv4 btrtl xt_LOG btintel nf_log_syslog snd_soc_core btbcm polyval_generic snd_compress ghash_ce nft_limit gf128mul pwrseq_core ac97_bus snd_pcm_dmaengine sm4 sha2_ce snd_pcm sha256_arm64 xt_limit brcmfmac_wcc xt_addrtype sha1_ce xt_tcpudp btsdio raspberrypi_hwmon snd_seq_midi bluetooth xt_conntrack nf_conntrack nf_defrag_ipv6 snd_seq_midi_event brcmfmac snd_rawmidi nf_defrag_ipv4 rpivid_hevc(CE) brcmutil v4l2_mem2mem nft_compat pisp_be videobuf2_dma_contig cfg80211 binfmt_misc nf_tables videobuf2_memops snd_seq rfkill snd_seq_device videobuf2_v4l2 snd_timer v3d videobuf2_common gpu_sched
[66197.051751]  drm_shmem_helper snd pwm_fan drm_kms_helper videodev backlight mc input_leds raspberrypi_gpiomem joydev rp1_adc pwm_rp1 sch_fq_codel fuse efi_pstore nfnetlink ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon raid6_pq uas usb_storage hid_logitech_hidpp hid_logitech_dj onboard_usb_dev hid_generic usbhid xhci_plat_hcd macb dwc3 phylink ulpi i2c_designware_platform spi_dw_mmio i2c_designware_core spi_dw rp1_mailbox nvme nvme_core nvme_auth spidev rtc_rpi spi_bcm2835 gpio_brcmstb i2c_brcmstb gpio_generic 8250_bcm7271 reset_brcmstb sdhci_brcmstb dwc2 reset_brcmstb_rescal roles cqhci udc_core gpio_keys phy_generic uio_pdrv_genirq uio nvmem_rmem zstd
--
[66197.051974]  write_device_infoframe 0x9c/0x160 [drm_display_helper]
[66197.052010]  drm_atomic_helper_connector_hdmi_update_audio_infoframe 0x80/0xc8 [drm_display_helper]
[66197.052037]  vc4_hdmi_audio_prepare 0xba4/0x1380 [vc4]
[66197.052058]  drm_connector_hdmi_audio_prepare 0x2c/0x40 [drm_display_helper]
[66197.052083]  hdmi_codec_prepare 0xe4/0x1a0 [snd_soc_hdmi_codec]
[66197.052088]  snd_soc_pcm_dai_prepare 0x84/0x128 [snd_soc_core]
[66197.052133]  __soc_pcm_prepare 0x4c/0x130 [snd_soc_core]
[66197.052168]  soc_pcm_prepare 0x38/0x68 [snd_soc_core]
[66197.052201]  snd_pcm_do_prepare 0x38/0x60 [snd_pcm]
[66197.052224]  snd_pcm_action_single 0x50/0xc0 [snd_pcm]
[66197.052241]  snd_pcm_action_nonatomic 0x9c/0xc0 [snd_pcm]
[66197.052256]  snd_pcm_prepare 0x94/0x128 [snd_pcm]
[66197.052272]  snd_pcm_common_ioctl 0x8b0/0xde0 [snd_pcm]
[66197.052288]  snd_pcm_ioctl 0x3c/0x60 [snd_pcm]
[66197.052303]  __arm64_sys_ioctl 0xbc/0x100


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

ii  alsa-topology-conf                            1.2.5.1-3                                  all          ALSA topology configuration files
ii  alsa-ucm-conf                                 1.2.12-1ubuntu1.3                          all          ALSA Use Case Manager configuration files
ii  alsa-utils                                    1.2.13-1ubuntu1                            arm64        Utilities for configuring and using ALSA