!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Fri Jun 5 21:32:08 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 1:6.12.75-1 rpt1 (2026-03-11) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.75 rpt-rpi-v8 Library version: 1.2.14 Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) vc4 (card 1) vc4 (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 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0 vc4-hdmi-0 2 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1 vc4-hdmi-1 3 [Seri ]: USB-Audio - Plantronics Blackwire 3220 Seri Plantronics Plantronics Blackwire 3220 Seri at usb-0000:01:00.0-1.3, 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 : !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!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/vc4_hdmi Tree: !!Card: /sys/class/sound/card3 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 004: ID 047f:c056 Plantronics, Inc. Blackwire C3220 Headset Negotiated speed: Full Speed (12Mbps) Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 [unknown] bDeviceSubClass 0 [unknown] bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x047f Plantronics, Inc. idProduct 0xc056 Blackwire C3220 Headset bcdDevice 2.10 iManufacturer 1 Plantronics iProduct 2 Plantronics Blackwire 3220 Series iSerial 3 6B5150BF98CA47BDAC7F88A0CA706166 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0120 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 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 0x0072 bInCollection 2 baInterfaceNr(0) 1 baInterfaceNr(1) 2 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 10 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 6 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 11 bSourceID 10 bControlSize 1 bmaControls(0) 0x03 Mute Control Volume Control bmaControls(1) 0x00 bmaControls(2) 0x00 iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0402 Headset bAssocTerminal 6 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 7 bDescriptorType 36 bDescriptorSubtype 5 (SELECTOR_UNIT) bUnitID 8 bNrInPins 1 baSourceID(0) 2 iSelector 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 8 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 4 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 5 bSourceID 12 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 6 wTerminalType 0x0402 Headset bAssocTerminal 1 bSourceID 5 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 4 (MIXER_UNIT) bUnitID 12 bNrInPins 2 baSourceID(0) 4 baSourceID(1) 11 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 bmControls(0) 0x00 iMixer 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 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 3 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 23 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 5 Discrete tSamFreq[ 0] 8000 tSamFreq[ 1] 16000 tSamFreq[ 2] 32000 tSamFreq[ 3] 44100 tSamFreq[ 4] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c8 1x 200 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 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 4 bDelay 3 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 26 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 6 Discrete tSamFreq[ 0] 8000 tSamFreq[ 1] 16000 tSamFreq[ 2] 24000 tSamFreq[ 3] 32000 tSamFreq[ 4] 44100 tSamFreq[ 5] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 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 0x0004 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 [unknown] bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 (null) wDescriptorLength 373 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0025 1x 37 bytes bInterval 1 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Plantronics Plantronics Blackwire 3220 Seri at usb-0000:01:00.0-1.3, full speed : USB Audio Playback: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x01 (1 OUT) (ADAPTIVE) Rates: 8000, 16000, 24000, 32000, 44100, 48000 Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x81 (1 IN) (ASYNC) Rates: 8000, 16000, 32000, 44100, 48000 Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x047fc056, ctrlif=0, ctlerr=0 Card: Plantronics Plantronics Blackwire 3220 Seri at usb-0000:01:00.0-1.3, full speed Unit: 2 Control: name="Headset Capture Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=256, max=1280, dBmin=100, dBmax=500 Unit: 2 Control: name="Headset Capture 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="Headset Playback Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-11008, max=1280, dBmin=-4300, dBmax=500 Unit: 5 Control: name="Headset Playback Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Sidetone Playback Volume", index=0 Info: id=11, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=8192, dBmin=0, dBmax=3200 Unit: 11 Control: name="Sidetone Playback Switch", index=0 Info: id=11, 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 21 03:12 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Apr 21 03:12 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 7 Apr 21 03:12 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 10 Jun 6 00:27 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 2 Apr 21 03:12 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Apr 21 03:12 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 6 Apr 21 03:12 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 9 Jun 6 00:27 /dev/snd/pcmC3D0c crw-rw---- 1 root audio 116, 8 Jun 6 00:27 /dev/snd/pcmC3D0p crw-rw---- 1 root audio 116, 1 Apr 21 03:12 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 21 03:12 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jun 6 00:27 . drwxr-xr-x 4 root root 300 Jun 6 00:27 .. lrwxrwxrwx 1 root root 12 Jun 6 00:27 usb-Plantronics_Plantronics_Blackwire_3220_Series_6B5150BF98CA47BDAC7F88A0CA706166-00 -> ../controlC3 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 140 Jun 6 00:27 . drwxr-xr-x 4 root root 300 Jun 6 00:27 .. lrwxrwxrwx 1 root root 12 Jun 6 00:27 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.3:1.0 -> ../controlC3 lrwxrwxrwx 1 root root 12 Jun 6 00:27 platform-fd500000.pcie-pci-0000:01:00.0-usbv2-0:1.3:1.0 -> ../controlC3 lrwxrwxrwx 1 root root 12 Apr 21 03:12 platform-fe00b840.mailbox -> ../controlC0 lrwxrwxrwx 1 root root 12 Apr 21 03:12 platform-fef00700.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Apr 21 03:12 platform-fef05700.hdmi -> ../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: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 3: Seri [Plantronics Blackwire 3220 Seri], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 3: Seri [Plantronics Blackwire 3220 Seri], 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 61 [97%] [0.61dB] [on] !!-------Mixer controls for card vc4hdmi0 Card sysdefault:1 'vc4hdmi0'/'vc4-hdmi-0' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card vc4hdmi1 Card sysdefault:2 'vc4hdmi1'/'vc4-hdmi-1' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card Seri Card sysdefault:3 'Seri'/'Plantronics Plantronics Blackwire 3220 Seri at usb-0000:01:00.0-1.3, full speed' Mixer name : 'USB Mixer' Components : 'USB047f:c056' Controls : 8 Simple ctrls : 2 Simple mixer control 'Sidetone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 8192 Mono: Playback 4096 [50%] [16.00dB] [on] Simple mixer control 'Headset',0 Capabilities: pvolume cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Mono Limits: Playback 0 - 24 Capture 0 - 4 Mono: Capture 1 [25%] [2.00dB] [on] Front Left: Playback 20 [83%] [-3.00dB] [on] Front Right: Playback 20 [83%] [-3.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value 61 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 61 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.vc4hdmi0 { 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.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 } } } state.Seri { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Headset Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Headset Capture Volume' value 1 comment { access 'read write' type INTEGER count 1 range '0 - 4' dbmin 100 dbmax 500 dbvalue.0 200 } } control.5 { iface MIXER name 'Sidetone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Sidetone Playback Volume' value 4096 comment { access 'read write' type INTEGER count 1 range '0 - 8192' dbmin 0 dbmax 3200 dbvalue.0 1600 } } control.7 { iface MIXER name 'Headset Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Headset Playback Volume' value.0 20 value.1 20 comment { access 'read write' type INTEGER count 2 range '0 - 24' dbmin -4300 dbmax 500 dbvalue.0 -300 dbvalue.1 -300 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm cec cfg80211 cmac drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks drm_shmem_helper ecc ecdh_generic fuse gpu_sched hci_uart i2c_brcmstb ip_tables ipv6 joydev libaes lz4_compress mc nfnetlink nvmem_rmem raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill rpi_hevc_dec sch_fq_codel snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_soc_hdmi_codec snd_timer snd_usb_audio snd_usbmidi_lib uio uio_pdrv_genirq v3d 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=1 snd_bcm2835.enable_headphones=0 cgroup_disable=memory numa_policy=interleave nvme.max_host_mem_size_mb=0 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 numa=fake=1 system_heap.max_order=0 iommu_dma_numa_policy=interleave smsc95xx.macaddr=DC:A6:32:5B:50:BC vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=b7881682-02 rootfstype=ext4 fsck.repair=yes rootwait ds=nocloud;i=rpi-imager-1780690703072 cfg80211.ieee80211_regdom=TR [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 7.070647] rpi-gpiomem fe200000.gpiomem: initialised 1 regions as /dev/gpiomem [ 7.151798] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 7.157076] videodev: Linux video capture interface: v2.00 [ 7.173653] bcm2835-audio bcm2835-audio: card created with 8 channels [ 7.194392] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. -- [ 7.613212] input: vc4-hdmi-0 as /devices/platform/soc/fef00700.hdmi/rc/rc0/input0 [ 7.615136] input: vc4-hdmi-0 HDMI Jack as /devices/platform/soc/fef00700.hdmi/sound/card1/input1 [ 7.618256] vc4-drm gpu: bound fef00700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 7.632215] input: vc4-hdmi-1 as /devices/platform/soc/fef05700.hdmi/rc/rc1/input2 [ 7.637524] input: vc4-hdmi-1 HDMI Jack as /devices/platform/soc/fef05700.hdmi/sound/card2/input3 [ 7.640233] vc4-drm gpu: bound fef05700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 3499.032151] hid-generic 0003:047F:C056.0001: input,hiddev96,hidraw0: USB HID v1.11 Device [Plantronics Plantronics Blackwire 3220 Series] on usb-0000:01:00.0-1.1/input3 [ 3500.410059] usbcore: registered new interface driver snd-usb-audio [ 3670.211135] usb 1-1.1: USB disconnect, device number 3 !!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