!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Tue Sep 10 14:45:57 UTC 2024 !!Linux Distribution !!------------------ Ubuntu 22.04.4 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 22.04.4 LTS" PRETTY_NAME="Ubuntu 22.04.4 LTS" 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=jammy !!DMI Information !!--------------- Manufacturer: Dell Inc. Product Name: XPS 15 9550 Product Version: Firmware Version: 1.15.0 System SKU: 06E4 Board Vendor: Dell Inc. Board Name: 0N7TVV !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/ACPI0003:00/status 15 /sys/bus/acpi/devices/ACPI000C:00/status 15 /sys/bus/acpi/devices/DLL06E4:01/status 15 /sys/bus/acpi/devices/DLLK06E4:00/status 15 /sys/bus/acpi/devices/INT33A1:00/status 15 /sys/bus/acpi/devices/INT33D5:00/status 15 /sys/bus/acpi/devices/INT3400:00/status 15 /sys/bus/acpi/devices/INT3402:00/status 15 /sys/bus/acpi/devices/INT3403:00/status 15 /sys/bus/acpi/devices/INT3403:01/status 15 /sys/bus/acpi/devices/INT3403:03/status 15 /sys/bus/acpi/devices/INT3403:04/status 15 /sys/bus/acpi/devices/INT3403:05/status 15 /sys/bus/acpi/devices/INT340E:00/status 15 /sys/bus/acpi/devices/INT3F0D:00/status 15 /sys/bus/acpi/devices/LNXPOWER:00/status 1 /sys/bus/acpi/devices/LNXPOWER:01/status 1 /sys/bus/acpi/devices/LNXPOWER:02/status 1 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0C02:01/status 15 /sys/bus/acpi/devices/PNP0C02:03/status 3 /sys/bus/acpi/devices/PNP0C02:05/status 3 /sys/bus/acpi/devices/PNP0C04:00/status 31 /sys/bus/acpi/devices/PNP0C09:00/status 15 /sys/bus/acpi/devices/PNP0C0A:00/status 31 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/PNP0C31:00/status 15 /sys/bus/acpi/devices/device:09/status 15 /sys/bus/acpi/devices/device:36/status 15 /sys/bus/acpi/devices/device:38/status 15 /sys/bus/acpi/devices/device:39/status 15 /sys/bus/acpi/devices/device:5e/status 15 /sys/bus/acpi/devices/device:71/status 11 !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #40~22.04.3-Ubuntu SMP PREEMPT_DYNAMIC Tue Jul 30 17:30:19 UTC 2 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.8.0-40-generic Library version: 1.2.6.1 Utilities version: 1.2.6 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 1) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 1 [Dock ]: USB-Audio - Kensington USB3.0 2X Video Dock DisplayLink Kensington USB3.0 2X Video Dock at usb-0000:00:14.0-2.1, super spee !!PCI Soundcards installed in the system !!-------------------------------------- 00:1f.3 Audio device [0403]: Intel Corporation 100 Series/C230 Series Chipset Family HD Audio Controller [8086:a170] (rev 31) (prog-if 80) Subsystem: Dell XPS 15 9550 [1028:06e4] !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: 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: 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 midi2_enable : Y midi2_ump_probe : 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: !!USB Descriptors !!--------------- --startcollapse-- Bus 002 Device 003: ID 17e9:430f DisplayLink Kensington Dock (Composite Device) Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.20 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 9 idVendor 0x17e9 DisplayLink idProduct 0x430f Kensington Dock (Composite Device) bcdDevice 31.02 iManufacturer 1 DisplayLink iProduct 2 Kensington USB3.0 2X Video Dock iSerial 3 10098961 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0214 bNumInterfaces 7 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 8mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 3 iInterface 0 ** UNRECOGNIZED: 0c 5f 01 00 0a 00 04 04 01 00 04 00 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 0 Device Firmware Upgrade Interface Descriptor: bLength 9 bDescriptorType 33 bmAttributes 1 Will Not Detach Manifestation Intolerant Upload Unsupported Download Supported wDetachTimeout 200 milliseconds wTransferSize 16384 bytes bcdDFUVersion 1.01 ** UNRECOGNIZED: 10 40 0b 02 2d 06 02 02 45 6c 6c 61 44 6f 63 6b Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 3 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 32 iFunction 7 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 32 iInterface 7 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 11 wTotalLength 0x0087 bmControls 0x00 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 15 bCSourceID 11 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 8 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 10 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 10 bmAttributes 1 Internal fixed clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 11 bmAttributes 1 Internal fixed clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 12 bSourceID 8 bmaControls(0) 0x00000000 bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 13 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 12 bCSourceID 10 bmControls 0x0000 iTerminal 4 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 14 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 11 bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 bmControls 0x0000 iTerminal 5 AudioControl Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 15 bSourceID 14 bmaControls(0) 0x00000000 bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(3) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(4) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(5) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(6) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0006 1x 6 bytes bInterval 8 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 7 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 7 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x09 EP 9 OUT bmAttributes 13 Transfer Type Isochronous Synch Type Synchronous Usage Type Data wMaxPacketSize 0x0240 1x 576 bytes bInterval 4 bMaxBurst 0 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 1 Milliseconds wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 7 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x09 EP 9 OUT bmAttributes 13 Transfer Type Isochronous Synch Type Synchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 4 bMaxBurst 0 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 1 Milliseconds wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 7 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 7 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c4 1x 196 bytes bInterval 4 bMaxBurst 0 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 1 Milliseconds wLockDelay 0x0000 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 5 bInterfaceCount 2 bFunctionClass 2 Communications bFunctionSubClass 13 bFunctionProtocol 0 iFunction 9 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 2 Communications bInterfaceSubClass 13 bInterfaceProtocol 0 iInterface 9 CDC Header: bcdCDC 1.20 CDC Union: bMasterInterface 5 bSlaveInterface 6 CDC Ethernet: iMacAddress 8 (??) bmEthernetStatistics 0x0000001c wMaxSegmentSize 1514 wNumberMCFilters 0x000e bNumberPowerFilters 8 CDC NCM: bcdNcmVersion 1.00 bmNetworkCapabilities 0x03 net address packet filter Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x86 EP 6 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 8 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 bInterfaceProtocol 1 iInterface 9 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 bInterfaceProtocol 1 iInterface 9 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x0a EP 10 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x87 EP 7 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 3 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- DisplayLink Kensington USB3.0 2X Video Dock at usb-0000:00:14.0-2.1, super spee : USB Audio Playback: Status: Running Interface = 3 Altset = 1 Packet Size = 576 Momentary freq = 48000 Hz (0x6.0000) Interface 3 Altset 1 Format: S16_LE Channels: 6 Endpoint: 0x09 (9 OUT) (SYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR FC LFE RL RR Interface 3 Altset 2 Format: S16_LE Channels: 2 Endpoint: 0x09 (9 OUT) (SYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 4 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x81 (1 IN) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x17e9430f, ctrlif=2, ctlerr=0 Card: DisplayLink Kensington USB3.0 2X Video Dock at usb-0000:00:14.0-2.1, super spee Unit: 1 Control: name="Speaker - Output Jack", index=0 Info: id=1, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 8 Control: name="Mic - Input Jack", index=0 Info: id=8, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Clock Source 10 Validity", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Clock Source 11 Validity", index=0 Info: id=11, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 12 Control: name="Mic Capture Volume", index=0 Info: id=12, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4592, max=7680, dBmin=-1793, dBmax=3000 Unit: 12 Control: name="Mic Capture Switch", index=0 Info: id=12, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 15 Control: name="DisplayLink Audio Playback Volume", index=0 Info: id=15, control=2, cmask=0x3f, channels=6, type="S16" Volume: min=-8176, max=0, dBmin=-3193, dBmax=0 Unit: 15 Control: name="DisplayLink Audio Playback Switch", index=0 Info: id=15, control=1, cmask=0x3f, channels=6, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Sep 10 15:43 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 3 Sep 10 15:44 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 2 Sep 10 15:45 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Sep 10 15:43 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 10 15:43 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Sep 10 15:43 . drwxr-xr-x 4 root root 180 Sep 10 15:43 .. lrwxrwxrwx 1 root root 12 Sep 10 15:43 usb-DisplayLink_Kensington_USB3.0_2X_Video_Dock_10098961-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Sep 10 15:43 . drwxr-xr-x 4 root root 180 Sep 10 15:43 .. lrwxrwxrwx 1 root root 12 Sep 10 15:43 pci-0000:00:14.0-usb-0:2.1:1.2 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: Dock [Kensington USB3.0 2X Video Dock], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Dock [Kensington USB3.0 2X Video Dock], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Dock Card sysdefault:1 'Dock'/'DisplayLink Kensington USB3.0 2X Video Dock at usb-0000:00:14.0-2.1, super spee' Mixer name : 'USB Mixer' Components : 'USB17e9:430f' Controls : 10 Simple ctrls : 2 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 767 Front Left: Capture 657 [86%] [23.12dB] [on] Front Right: Capture 657 [86%] [23.12dB] [on] Simple mixer control 'DisplayLink Audio',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer Limits: Playback 0 - 511 Mono: Front Left: Playback 367 [72%] [-9.00dB] [on] Front Right: Playback 367 [72%] [-9.00dB] [on] Rear Left: Playback 367 [72%] [-9.00dB] [on] Rear Right: Playback 367 [72%] [-9.00dB] [on] Front Center: Playback 367 [72%] [-9.00dB] [on] Woofer: Playback 367 [72%] [-9.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Dock { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 value.2 7 value.3 8 value.4 5 value.5 6 comment { access read type INTEGER count 6 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'DisplayLink Audio Playback Switch' value.0 true value.1 true value.2 true value.3 true value.4 true value.5 true comment { access 'read write' type BOOLEAN count 6 } } control.4 { iface MIXER name 'DisplayLink Audio Playback Volume' value.0 367 value.1 367 value.2 367 value.3 367 value.4 367 value.5 367 comment { access 'read write' type INTEGER count 6 range '0 - 511' dbmin -3193 dbmax 0 dbvalue.0 -900 dbvalue.1 -900 dbvalue.2 -900 dbvalue.3 -900 dbvalue.4 -900 dbvalue.5 -900 } } control.5 { iface CARD name 'Clock Source 11 Validity' value true comment { access read type BOOLEAN count 1 } } control.6 { iface CARD name 'Speaker - Output Jack' value true comment { access read type BOOLEAN count 1 } } control.7 { iface CARD name 'Mic - Input Jack' value false comment { access read type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.9 { iface MIXER name 'Mic Capture Volume' value.0 657 value.1 657 comment { access 'read write' type INTEGER count 2 range '0 - 767' dbmin -1793 dbmax 3000 dbvalue.0 2312 dbvalue.1 2312 } } control.10 { iface CARD name 'Clock Source 10 Validity' value true comment { access read type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ ac97_bus acpi_pad acpi_thermal_rel aesni_intel af_alg ahci algif_hash algif_skcipher ath ath10k_core ath10k_pci autofs4 binfmt_misc bluetooth bnep br_netfilter bridge btbcm btintel btmtk btrtl btusb ccm cdc_ether cdc_mbim cdc_ncm cdc_wdm cec cfg80211 cmac coretemp crc32_pclmul crct10dif_pclmul cryptd crypto_simd dcdbas dell_laptop dell_smbios dell_smm_hwmon dell_wmi dell_wmi_descriptor drm_buddy drm_display_helper ecc ecdh_generic ee1004 efi_pstore evdi ghash_clmulni_intel hid hid_generic hid_multitouch i2c_algo_bit i2c_hid i2c_hid_acpi i2c_i801 i2c_smbus i915 idma64 input_leds int3400_thermal int3402_thermal int3403_thermal int340x_thermal_zone intel_cstate intel_hid intel_lpss intel_lpss_pci intel_pch_thermal intel_pmc_core intel_powerclamp intel_rapl_common intel_rapl_msr intel_soc_dts_iosf intel_tcc_cooling intel_vsec intel_wmi_thunderbolt ip6t_REJECT ip6t_rt ip_tables ipt_REJECT irqbypass joydev kvm kvm_intel ledtrig_audio libahci libarc4 libcrc32c llc lp mac80211 mac_hid mc mei mei_hdcp mei_me mei_pxp mii msr mxm_wmi 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 nvidia nvidia_drm nvidia_modeset nvidia_uvm nvme nvme_auth nvme_core overlay parport parport_pc pmt_class pmt_telemetry polyval_clmulni polyval_generic ppdev processor_thermal_device processor_thermal_device_pci_legacy processor_thermal_mbox processor_thermal_power_floor processor_thermal_rapl processor_thermal_rfim processor_thermal_wt_hint processor_thermal_wt_req psmouse rapl rc_core rtsx_pci rtsx_pci_sdmmc sch_fq_codel serio_raw sha1_ssse3 sha256_ssse3 snd snd_compress snd_hda_codec snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_codec_realtek 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_avs snd_soc_core snd_soc_hda_codec snd_timer snd_ump snd_usb_audio snd_usbmidi_lib soundcore sparse_keymap stp ttm usbhid usbnet uvc uvcvideo video videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev wmi wmi_bmof x86_pkg_temp_thermal x_tables xfrm_algo xfrm_user xhci_pci xhci_pci_renesas xt_LOG xt_MASQUERADE xt_addrtype xt_comment xt_conntrack xt_hl xt_limit xt_tcpudp !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.6.3-1ubuntu1.11 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.6-1ubuntu1 amd64 Utilities for configuring and using ALSA