!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Sun Apr 12 11:28:00 UTC 2026 !!Linux Distribution !!------------------ Debian GNU/Linux 13 \n \l PRETTY_NAME="Debian GNU/Linux 13 (trixie)" NAME="Debian GNU/Linux" DEBIAN_VERSION_FULL=13.4 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 !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 SMP PREEMPT Debian 1:6.12.47-1 rpt1 (2025-09-16) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.47 rpt-rpi-v8 Library version: Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) vc4 (card 1) snd_soc_hifiberry_dacplus (card 2) snd_usb_audio (card 3) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 1 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi 2 [sndrpihifiberry]: HifiberryDacp - snd_rpi_hifiberry_dacplus snd_rpi_hifiberry_dacplus 3 [Device ]: USB-Audio - USB2.0 Device Generic USB2.0 Device at usb-3f980000.usb-1.2, full speed !!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_bcm2835: enable_headphones=0 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_hdmi=0 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_hdmi : N enable_headphones : Y force_bulk : N num_channels : 8 !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : (null) !!Module: snd_soc_hifiberry_dacplus * : !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/vchiq-bus/drivers/bcm2835-audio Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/snd-rpi-hifiberry-dacplus Tree: !!Card: /sys/class/sound/card3 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 005: ID 1908:2220 GEMBIRD Buildwin Media-Player Negotiated speed: Full Speed (12Mbps) Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 [unknown] bDeviceSubClass 0 [unknown] bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x1908 GEMBIRD idProduct 0x2220 Buildwin Media-Player bcdDevice 1.00 iManufacturer 1 Generic iProduct 2 USB2.0 Device iSerial 3 20121120222017 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x00f1 bNumInterfaces 5 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 400mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk-Only iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0047 bInCollection 2 baInterfaceNr(0) 2 baInterfaceNr(1) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 2 bSourceID 1 bControlSize 1 bmaControls(0) 0x03 Mute Control Volume Control bmaControls(1) 0x00 bmaControls(2) 0x00 iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 2 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0000 iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 4 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x00 iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 6 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 1 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 1 Milliseconds wLockDelay 0x0001 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 6 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0080 1x 128 bytes bInterval 1 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 [unknown] bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 2.01 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 (null) wDescriptorLength 33 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 1 Device Status: 0x0000 (Bus Powered) --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Generic USB2.0 Device at usb-3f980000.usb-1.2, full speed : USB Audio Playback: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x02 (2 OUT) (ADAPTIVE) Rates: 48000 Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 1 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 48000 Bits: 16 Channel map: MONO --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x19082220, ctrlif=1, ctlerr=0 Card: Generic USB2.0 Device at usb-3f980000.usb-1.2, full speed Unit: 2 Control: name="PCM Playback Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32768, max=-32528, dBmin=0, dBmax=0 Unit: 2 Control: name="PCM Playback Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Apr 8 07:02 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Apr 8 07:02 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 7 Apr 8 07:02 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 10 Apr 10 22:27 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 2 Apr 8 07:02 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Apr 8 07:02 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 6 Apr 8 07:02 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 9 Apr 10 22:27 /dev/snd/pcmC3D0c crw-rw---- 1 root audio 116, 8 Apr 10 22:27 /dev/snd/pcmC3D0p crw-rw---- 1 root audio 116, 1 Apr 8 07:02 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 8 07:02 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 10 22:27 . drwxr-xr-x 4 root root 300 Apr 10 22:27 .. lrwxrwxrwx 1 root root 12 Apr 10 22:27 usb-Generic_USB2.0_Device_20121120222017-01 -> ../controlC3 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 140 Apr 10 22:27 . drwxr-xr-x 4 root root 300 Apr 10 22:27 .. lrwxrwxrwx 1 root root 12 Apr 8 07:02 platform-3f00b840.mailbox -> ../controlC0 lrwxrwxrwx 1 root root 12 Apr 8 07:02 platform-3f902000.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Apr 10 22:27 platform-3f980000.usb-usb-0:1.2:1.1 -> ../controlC3 lrwxrwxrwx 1 root root 12 Apr 10 22:27 platform-3f980000.usb-usbv2-0:1.2:1.1 -> ../controlC3 lrwxrwxrwx 1 root root 12 Apr 8 07:02 platform-soc:sound -> ../controlC2 !!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: vc4hdmi [vc4-hdmi], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: 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 card 3: Device [USB2.0 Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 3: Device [USB2.0 Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card sysdefault:0 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -870 [88%] [-8.70dB] [off] !!-------Mixer controls for card vc4hdmi Card sysdefault:1 'vc4hdmi'/'vc4-hdmi' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card sndrpihifiberry Card sysdefault:2 '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: 'High attenuation 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 190 [92%] [-8.50dB] [on] Front Right: Playback 190 [92%] [-8.50dB] [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' !!-------Mixer controls for card Device Card sysdefault:3 'Device'/'Generic USB2.0 Device at usb-3f980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB1908:2220' Controls : 5 Simple ctrls : 2 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 240 Mono: Playback 180 [75%] [on] Simple mixer control 'Mic',0 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value -870 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -870 } } control.2 { iface MIXER name 'PCM Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } } state.vc4hdmi { 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 } } } state.sndrpihifiberry { control.1 { iface MIXER name 'Digital Playback Volume' value.0 190 value.1 190 comment { access 'read write' type INTEGER count 2 range '0 - 207' dbmin -9999999 dbmax 0 dbvalue.0 -850 dbvalue.1 -850 } } 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 'High attenuation 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.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access 'read volatile' type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Volume' value 180 comment { access 'read write' type INTEGER count 1 range '0 - 240' } } control.5 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm cec cfg80211 clk_hifiberry_dacpro dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fuse hci_uart i2c_bcm2835 ip_tables ipv6 libaes lz4_compress mc nfnetlink raspberrypi_gpiomem raspberrypi_hwmon regmap_i2c rfkill sch_fq_codel sg snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_bcm2835_i2s snd_soc_core snd_soc_hdmi_codec snd_soc_hifiberry_dacplus snd_soc_pcm512x snd_soc_pcm512x_i2c snd_timer snd_usb_audio snd_usbmidi_lib uio uio_pdrv_genirq v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables zram !!ALSA/HDA dmesg !!-------------- [ 0.000000] alternatives: applying boot alternatives [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 cgroup_disable=memory snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=c9c312a5-02 root=/dev/sda2 rootfstype=ext4 fsck.repair=yes rootwait rootdelay=5 [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 13.367653] mc: Linux media interface: v0.10 [ 13.423751] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 13.470007] bcm2835-audio bcm2835-audio: card created with 8 channels [ 13.534973] videodev: Linux video capture interface: v2.00 -- [ 14.477547] input: vc4-hdmi as /devices/platform/soc/3f902000.hdmi/rc/rc0/input0 [ 14.508191] input: vc4-hdmi HDMI Jack as /devices/platform/soc/3f902000.hdmi/sound/card1/input1 [ 14.518662] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 135.516381] usb 1-1.2: 2:1: bogus dB values (-12800/-12706), disabling dB reporting [ 135.517680] usbcore: registered new interface driver snd-usb-audio [ 136.354311] scsi 1:0:0:0: Direct-Access Buildwin Media-Player 1.00 PQ: 0 ANSI: 2 -- [321840.563832] systemd-sysv-generator[25603]: ! This compatibility logic is deprecated, expect removal soon. ! [368497.835973] bcm2835-audio bcm2835-audio: failed to close VCHI service connection (status=-11) [368535.922716] bcm2835-audio bcm2835-audio: failed to close VCHI service connection (status=-11) !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-3 all ALSA topology configuration files ii alsa-ucm-conf 1.2.14-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.14-1 rpt1 arm64 Utilities for configuring and using ALSA