!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Mon Jul 31 16:49:52 UTC 2023 !!Linux Distribution !!------------------ ID_LIKE="ubuntu debian" UBUNTU_CODENAME=jammy !!DMI Information !!--------------- Manufacturer: Dell Inc. Product Name: Latitude 9520 Product Version: Firmware Version: 1.5.2 System SKU: 0A3E Board Vendor: Dell Inc. Board Name: 09825N !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/ACPI0003:00/status 15 /sys/bus/acpi/devices/ACPI000C:00/status 15 /sys/bus/acpi/devices/ACPI000E:00/status 15 /sys/bus/acpi/devices/DELL0A3E:00/status 15 /sys/bus/acpi/devices/DLLK0A3E:00/status 15 /sys/bus/acpi/devices/INT33A1:00/status 15 /sys/bus/acpi/devices/INT33D2:00/status 11 /sys/bus/acpi/devices/INT33D3:00/status 15 /sys/bus/acpi/devices/INT340E:00/status 15 /sys/bus/acpi/devices/INT34C5:00/status 15 /sys/bus/acpi/devices/INT3F0D:00/status 15 /sys/bus/acpi/devices/INTC1040:00/status 15 /sys/bus/acpi/devices/INTC1043:00/status 15 /sys/bus/acpi/devices/INTC1043:01/status 15 /sys/bus/acpi/devices/INTC1043:02/status 15 /sys/bus/acpi/devices/INTC1043:03/status 15 /sys/bus/acpi/devices/INTC1043:04/status 15 /sys/bus/acpi/devices/INTC1043:05/status 15 /sys/bus/acpi/devices/INTC1051:00/status 15 /sys/bus/acpi/devices/LNXPOWER:02/status 1 /sys/bus/acpi/devices/LNXPOWER:03/status 1 /sys/bus/acpi/devices/LNXPOWER:04/status 1 /sys/bus/acpi/devices/LNXPOWER:05/status 1 /sys/bus/acpi/devices/LNXPOWER:06/status 1 /sys/bus/acpi/devices/LNXPOWER:07/status 1 /sys/bus/acpi/devices/LNXPOWER:08/status 1 /sys/bus/acpi/devices/LNXPOWER:09/status 1 /sys/bus/acpi/devices/LNXPOWER:0a/status 1 /sys/bus/acpi/devices/LNXPOWER:0b/status 1 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0C02:02/status 11 /sys/bus/acpi/devices/PNP0C02:04/status 11 /sys/bus/acpi/devices/PNP0C09:00/status 15 /sys/bus/acpi/devices/PNP0C0A:00/status 31 /sys/bus/acpi/devices/PRP00001:00/status 11 /sys/bus/acpi/devices/PRP00001:01/status 11 /sys/bus/acpi/devices/STM0125:00/status 15 /sys/bus/acpi/devices/USBC000:00/status 15 /sys/bus/acpi/devices/device:00/status 15 /sys/bus/acpi/devices/device:0e/status 15 /sys/bus/acpi/devices/device:63/status 15 /sys/bus/acpi/devices/device:86/status 15 /sys/bus/acpi/devices/device:87/status 15 /sys/bus/acpi/devices/device:88/status 15 /sys/bus/acpi/devices/device:8a/status 15 /sys/bus/acpi/devices/device:8b/status 15 /sys/bus/acpi/devices/device:8c/status 15 /sys/bus/acpi/devices/device:bc/status 15 /sys/bus/acpi/devices/device:c3/status 15 /sys/bus/acpi/devices/device:c5/status 15 /sys/bus/acpi/devices/device:c7/status 15 !!Kernel Information !!------------------ Kernel release: 6.2.6-76060206-generic Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.2.6-76060206-generic Library version: Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 1) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [gadget ]: USB-Audio - USB Webcam gadget Linux Foundation USB Webcam gadget at usb-0000:00:14.0-1.1.3.3, high speed !!PCI Soundcards installed in the system !!-------------------------------------- 0000:00:1f.3 Audio device [0403]: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller [8086:a0c8] (rev 20) (prog-if 80) Subsystem: Dell Tiger Lake-LP Smart Sound Technology Audio Controller [1028:0a3e] !!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 snd_hda_intel: dmic_detect=0 snd_hda_intel: dmic_detect=0 snd_hda_intel: dmic_detect=0 !!Loaded sound module options !!--------------------------- !!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 : -2,-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/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: /sys/class/sound/card1 |-- controlC1 | |-- dev | |-- device -> ../../card1 | |-- power | |-- subsystem -> ../../../../../../../../../../../../class/sound | `-- uevent |-- device -> ../../../2-1.1.3.3:1.2 |-- id |-- number |-- pcmC1D0c | |-- dev | |-- device -> ../../card1 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../../../../../../class/sound | `-- uevent |-- power | |-- async | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_kids | |-- runtime_active_time | |-- runtime_enabled | |-- runtime_status | |-- runtime_suspended_time | `-- runtime_usage |-- subsystem -> ../../../../../../../../../../../class/sound `-- uevent !!USB Descriptors !!--------------- --startcollapse-- Bus 002 Device 010: ID 1d6b:0102 Linux Foundation EEM Gadget Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0102 EEM Gadget bcdDevice 4.09 iManufacturer 1 Linux Foundation iProduct 2 USB Webcam gadget iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x032b bNumInterfaces 4 bConfigurationValue 1 iConfiguration 4 bmAttributes 0xc0 Self Powered MaxPower 2mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 5 VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 0x0069 dwClockFrequency 48.000000MHz bInCollection 1 baInterfaceNr( 0) 1 VideoControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Camera Sensor bAssocTerminal 0 iTerminal 0 wObjectiveFocalLengthMin 0 wObjectiveFocalLengthMax 0 wOcularFocalLength 0 bControlSize 3 bmControls 0x00000002 Auto-Exposure Mode VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 4 bSourceID 1 wMaxMultiplier 16384 bControlSize 2 bmControls 0x0000041f Brightness Contrast Hue Saturation Sharpness Power Line Frequency iProcessing 0 bmVideoStandards 0x1b None NTSC - 525/60 SECAM - 625/50 NTSC - 625/50 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 6 guidExtensionCode {23e49ed0-1178-4f31-ae52-d2fb8a8d3b48} bNumControls 14 bNrInPins 1 baSourceID( 0) 4 bControlSize 2 bmControls( 0) 0xff bmControls( 1) 0x6f iExtension 0 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 2 guidExtensionCode {2c49d16a-32b8-4485-3ea8-643a152362f2} bNumControls 6 bNrInPins 1 baSourceID( 0) 6 bControlSize 2 bmControls( 0) 0x3f bmControls( 1) 0x00 iExtension 0 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 2 iTerminal 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 6 VideoStreaming Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 4 wTotalLength 0x0217 bEndpointAddress 0x81 EP 1 IN bmInfo 0 bTerminalLink 3 bStillCaptureMethod 0 bTriggerSupport 0 bTriggerUsage 0 bControlSize 1 bmaControls( 0) 0 bmaControls( 1) 0 bmaControls( 2) 4 bmaControls( 3) 4 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 1 bNumFrameDescriptors 3 bFlags 0 Fixed-size samples: No bDefaultFrameIndex 3 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 1 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 49152000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 147456000 dwMaxBitRate 442368000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 331776000 dwMaxBitRate 995328000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 2 bNumFrameDescriptors 2 guidFormat {32595559-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 49152000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 147456000 dwMaxBitRate 442368000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 3 bNumFrameDescriptors 3 guidFormat {34363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 3 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 bVariableSize 1 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 49152000 dwMaxBitRate 147456000 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 147456000 dwMaxBitRate 442368000 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 331776000 dwMaxBitRate 995328000 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 4 bNumFrameDescriptors 3 guidFormat {35363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 3 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 bVariableSize 1 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 49152000 dwMaxBitRate 147456000 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 147456000 dwMaxBitRate 442368000 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 331776000 dwMaxBitRate 995328000 dwDefaultFrameInterval 333333 bFrameIntervalType 3 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 6 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1400 3x 1024 bytes bInterval 1 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 8 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0027 bInCollection 1 baInterfaceNr(0) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 15 iTerminal 14 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 3 bControlSize 2 bmaControls(0) 0x0003 Mute Control Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 16 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 17 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 18 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 4 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] 16000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0020 1x 32 bytes bInterval 4 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Linux Foundation USB Webcam gadget at usb-0000:00:14.0-1.1.3.3, high speed : USB Audio Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 1 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 16000 Data packet interval: 1000 us Bits: 16 Channel map: MONO --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x1d6b0102, ctrlif=2, ctlerr=0 Card: Linux Foundation USB Webcam gadget at usb-0000:00:14.0-1.1.3.3, high speed Unit: 5 Control: name="Capture Input terminal Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=512, max=5120, dBmin=200, dBmax=2000 Unit: 5 Control: name="Capture Input terminal 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 Jul 31 10:48 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 2 Jul 31 10:49 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Jul 31 10:48 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 31 10:48 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jul 31 10:48 . drwxr-xr-x 4 root root 160 Jul 31 10:48 .. lrwxrwxrwx 1 root root 12 Jul 31 10:48 usb-Linux_Foundation_USB_Webcam_gadget-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jul 31 10:48 . drwxr-xr-x 4 root root 160 Jul 31 10:48 .. lrwxrwxrwx 1 root root 12 Jul 31 10:48 pci-0000:00:14.0-usb-0:1.1.3.3:1.2 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** ARECORD **** List of CAPTURE Hardware Devices **** card 1: gadget [USB Webcam gadget], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card gadget Card sysdefault:1 'gadget'/'Linux Foundation USB Webcam gadget at usb-0000:00:14.0-1.1.3.3, high speed' Mixer name : 'USB Mixer' Components : 'USB1d6b:0102' Controls : 3 Simple ctrls : 1 Simple mixer control 'Capture Input terminal',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 288 Mono: Capture 96 [33%] [8.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.gadget { control.1 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.2 { iface MIXER name 'Capture Input terminal Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Capture Input terminal Capture Volume' value 96 comment { access 'read write' type INTEGER count 1 range '0 - 288' dbmin 200 dbmax 2000 dbvalue.0 800 } } } --endcollapse-- !!All Loaded Modules !!------------------ ac97_bus acpi_pad acpi_tad acpi_thermal_rel aesni_intel af_alg ahci algif_hash algif_skcipher async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 binfmt_misc bluetooth bnep br_netfilter bridge btbcm btintel btmtk btrtl btusb ccm cdc_ether cec cfg80211 cmac cmdlinepart coretemp crc32_pclmul crct10dif_pclmul cryptd crypto_simd dcdbas dell_laptop dell_rbtn dell_smbios dell_wmi dell_wmi_ddv dell_wmi_descriptor dell_wmi_sysman dm_crypt drm drm_buddy drm_display_helper drm_kms_helper ecc ecdh_generic efi_pstore firmware_attributes_class ghash_clmulni_intel hid hid_generic hid_logitech_dj hid_logitech_hidpp hid_multitouch hid_sensor_accel_3d hid_sensor_als hid_sensor_custom hid_sensor_custom_intel_hinge hid_sensor_gyro_3d hid_sensor_hub hid_sensor_iio_common hid_sensor_trigger i2c_algo_bit i2c_hid i2c_hid_acpi i2c_i801 i2c_smbus i915 idma64 igen6_edac industrialio industrialio_triggered_buffer input_leds int3400_thermal int3403_thermal int340x_thermal_zone intel_cstate intel_hid intel_ish_ipc intel_ishtp intel_ishtp_hid intel_lpss intel_lpss_pci intel_powerclamp intel_rapl_common intel_rapl_msr intel_soc_dts_iosf ip6_tables ip6t_REJECT ip6t_rt ip_tables ipt_REJECT iwlmvm iwlwifi joydev kfifo_buf kvm kvm_intel kyber_iosched ledtrig_audio libahci libarc4 libcrc32c linear llc lp mac80211 mac_hid mc mei mei_hdcp mei_me mei_pxp mii msr mtd multipath 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 nls_iso8859_1 nvme nvme_common nvme_core overlay parport parport_pc pinctrl_tigerlake polyval_clmulni polyval_generic ppdev processor_thermal_device processor_thermal_device_pci_legacy processor_thermal_mbox processor_thermal_rapl processor_thermal_rfim psmouse pstore_blk pstore_zone r8152 r8153_ecm raid0 raid1 raid10 raid456 raid6_pq ramoops rapl rc_core reed_solomon rfcomm rtsx_pci rtsx_pci_sdmmc sch_fq_codel serio_raw sha512_ssse3 snd snd_compress snd_hda_codec snd_hda_core snd_hda_ext_core snd_hda_intel snd_hrtimer snd_hwdep snd_intel_dspcfg snd_intel_sdw_acpi snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_soc_acpi snd_soc_acpi_intel_match snd_soc_core snd_soc_hdac_hda snd_sof snd_sof_intel_hda snd_sof_intel_hda_common snd_sof_pci snd_sof_pci_intel_tgl snd_sof_utils snd_sof_xtensa_dsp snd_timer snd_usb_audio snd_usbmidi_lib soc_button_array soundcore soundwire_bus soundwire_cadence soundwire_generic_allocation soundwire_intel sparse_keymap spi_intel spi_intel_pci spi_nor stp syscopyarea sysfillrect sysimgblt system76_acpi system76_io thunderbolt tls ttm typec typec_displayport typec_ucsi ucsi_acpi usbhid usbnet uvcvideo video videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev vmd wmi wmi_bmof x86_pkg_temp_thermal x_tables xfrm_algo xfrm_user xhci_pci xhci_pci_renesas xor xt_LOG xt_MASQUERADE xt_addrtype xt_conntrack xt_hl xt_limit xt_tcpudp zram zstd !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.8-1pop1~1681137010~22.04~3b290a8 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.8-1pop1~1676755497~22.04~a0d6eed amd64 Utilities for configuring and using ALSA