!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Tue Jan 3 19:18:07 UTC 2023 !!Linux Distribution !!------------------ Ubuntu 20.04.5 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.04.5 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.5 LTS" 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=focal !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.4.143-69-rockchip-g8ccef796d27d Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.4.143-69-rockchip-g8ccef796d27d Library version: 1.2.2 Utilities version: 1.2.2 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Loopback ]: Loopback - Loopback Loopback 1 1 [rockchiprk3308a]: rockchip_rk3308 - rockchip,rk3308-acodec rockchip,rk3308-acodec 2 [Audio ]: USB-Audio - Realtek USB2.0 Audio Realtek Realtek USB2.0 Audio at usb-ff400000.usb-1, high speed !!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 !!--------------------------- !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/snd_aloop Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/rk-multicodecs Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 002: ID 0bda:4be2 Realtek Semiconductor Corp. Realtek USB2.0 Audio Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x0bda Realtek Semiconductor Corp. idProduct 0x4be2 bcdDevice 0.01 iManufacturer 3 iProduct 1 iSerial 2 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x01be bNumInterfaces 4 bConfigurationValue 1 iConfiguration 4 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 3 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 32 iFunction 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 32 iInterface 5 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 4 wTotalLength 0x00ba bmControls 0x00 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 27 bmAttributes 7 Internal programmable clock (synchronized to SOF) 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 30 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 27 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 3 bSourceID 1 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0101 USB Streaming bAssocTerminal 1 bSourceID 4 bCSourceID 27 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 34 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 27 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0000 iTerminal 24 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 35 bSourceID 34 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 4 (MIXER_UNIT) bUnitID 36 bNrInPins 2 baSourceID(0) 16 baSourceID(1) 35 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmMixerControls(0) 0x00 bmControls 0x00 iMixer 0 AudioControl Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 9 (EXTENSION_UNIT) bUnitID 4 wExtensionCode 0x0bda bNrInPins 1 baSourceID(0) 3 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x01 Enable Control (read-only) iExtension 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 14 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 30 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0000 iTerminal 21 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 16 bSourceID 14 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 15 wTerminalType 0x0302 Headphones bAssocTerminal 14 bSourceID 36 bCSourceID 30 bmControls 0x0004 Connector Control (read-only) iTerminal 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 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 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 18 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 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 0x001c 1x 28 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 21 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 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 0x07 EP 7 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 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 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x07 EP 7 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 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 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x07 EP 7 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x01f0 1x 496 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 35 Report Descriptors: ** UNAVAILABLE ** 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 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Realtek Realtek USB2.0 Audio at usb-ff400000.usb-1, high speed : USB Audio Playback: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 7 OUT (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Interface 2 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 7 OUT (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Interface 2 Altset 3 Format: S32_LE Channels: 2 Endpoint: 7 OUT (ADAPTIVE) Rates: 44100, 48000, 96000, 192000, 384000 Data packet interval: 125 us Capture: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 1 IN (ASYNC) Rates: 48000 Data packet interval: 125 us --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0bda4be2, ctrlif=0, ctlerr=0 Card: Realtek Realtek USB2.0 Audio at usb-ff400000.usb-1, high speed Unit: 3 Control: name="Mic Capture Volume", index=0 Info: id=3, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4512, max=0, dBmin=-1762, dBmax=0 Unit: 3 Control: name="Mic Capture Switch", index=0 Info: id=3, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 4 Control: name="Extension Unit Switch", index=0 Info: id=4, control=1, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 16 Control: name="Headphone Playback Volume", index=0 Info: id=16, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16800, max=0, dBmin=-6562, dBmax=0 Unit: 16 Control: name="Headphone Playback Switch", index=0 Info: id=16, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 35 Control: name="Sidetone Playback Volume", index=0 Info: id=35, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-11904, max=0, dBmin=-4650, dBmax=0 Unit: 35 Control: name="Sidetone Playback Switch", index=0 Info: id=35, 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, 2 Jan 3 22:15 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 7 Jan 3 22:15 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 10 Jan 3 22:15 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 4 Jan 3 22:15 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 3 Jan 3 22:15 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 6 Jan 3 22:15 /dev/snd/pcmC0D1c crw-rw---- 1 root audio 116, 5 Jan 3 22:15 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 9 Jan 3 22:15 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 8 Jan 3 22:15 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 12 Jan 3 22:15 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 11 Jan 3 22:15 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Jan 3 22:15 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 3 22:15 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jan 3 22:15 . drwxr-xr-x 4 root root 340 Jan 3 22:15 .. lrwxrwxrwx 1 root root 12 Jan 3 22:15 usb-Realtek_Realtek_USB2.0_Audio_201405280001-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Jan 3 22:15 . drwxr-xr-x 4 root root 340 Jan 3 22:15 .. lrwxrwxrwx 1 root root 12 Jan 3 22:15 platform-acodec-sound -> ../controlC1 lrwxrwxrwx 1 root root 12 Jan 3 22:15 platform-ff400000.usb-usb-0:1:1.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Jan 3 22:15 platform-snd_aloop.0 -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY XDG_RUNTIME_DIR (/run/user/0) is not owned by us (uid 1001), but by uid 0! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.) **** List of PLAYBACK Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] 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 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] 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: rockchiprk3308a [rockchip,rk3308-acodec], device 0: dailink-multicodecs rk3308-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [Realtek USB2.0 Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD XDG_RUNTIME_DIR (/run/user/0) is not owned by us (uid 1001), but by uid 0! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.) **** List of CAPTURE Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] 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 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] 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: rockchiprk3308a [rockchip,rk3308-acodec], device 0: dailink-multicodecs rk3308-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [Realtek USB2.0 Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Loopback Card hw:0 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 97 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] !!-------Mixer controls for card rockchiprk3308a Card hw:1 'rockchiprk3308a'/'rockchip,rk3308-acodec' Mixer name : '' Components : '' Controls : 38 Simple ctrls : 30 Simple mixer control 'ADC ALC Group 0 Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 0 Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 1 Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 1 Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 2 Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 2 Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 3 Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC ALC Group 3 Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 12 [39%] [0.00dB] Simple mixer control 'ADC Group 0 HPF Cut-off',0 Capabilities: enum Items: 'Off' 'On' Item0: 'Off' Simple mixer control 'ADC Group 1 HPF Cut-off',0 Capabilities: enum Items: 'Off' 'On' Item0: 'Off' Simple mixer control 'ADC Group 2 HPF Cut-off',0 Capabilities: enum Items: 'Off' 'On' Item0: 'Off' Simple mixer control 'ADC Group 3 HPF Cut-off',0 Capabilities: enum Items: 'Off' 'On' Item0: 'Off' Simple mixer control 'ADC MIC Group 0 Left',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Work' Simple mixer control 'ADC MIC Group 0 Right',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Work' Simple mixer control 'ADC MIC Group 1 Left',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Work' Simple mixer control 'ADC MIC Group 1 Right',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Work' Simple mixer control 'ADC MIC Group 2 Left',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Mute' Simple mixer control 'ADC MIC Group 2 Right',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Mute' Simple mixer control 'ADC MIC Group 3 Left',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Mute' Simple mixer control 'ADC MIC Group 3 Right',0 Capabilities: volume volume-joined enum Items: 'Work' 'Mute' Item0: 'Mute' Simple mixer control 'ADC MICBIAS Voltage',0 Capabilities: enum Items: 'VREFx0_5' 'VREFx0_55' 'VREFx0_6' 'VREFx0_65' 'VREFx0_7' 'VREFx0_75' 'VREFx0_8' 'VREFx0_85' Item0: 'VREFx0_85' Simple mixer control 'ADC MICBIAS1',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'ADC MICBIAS2',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'ADC Main MICBIAS',0 Capabilities: enum Items: 'Off' 'On' Item0: 'Off' Simple mixer control 'DAC HPMIX Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 1 Mono: 1 [100%] [0.00dB] Simple mixer control 'DAC HPMIX Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 1 Mono: 1 [100%] [0.00dB] Simple mixer control 'DAC HPOUT Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 30 Mono: 26 [87%] [0.00dB] Simple mixer control 'DAC HPOUT Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 30 Mono: 26 [87%] [0.00dB] Simple mixer control 'DAC LINEOUT Left',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 3 Mono: 3 [100%] [-1.50dB] Simple mixer control 'DAC LINEOUT Right',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 3 Mono: 3 [100%] [-1.50dB] !!-------Mixer controls for card Audio amixer: Mixer load hw:2 error: Broken pipe Card hw:2 'Audio'/'Realtek Realtek USB2.0 Audio at usb-ff400000.usb-1, high speed' Mixer name : 'USB Mixer' Components : 'USB0bda:4be2' Controls : 9 amixer: Mixer hw:2 load error: Broken pipe !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ hci_uart rtl8723ds snd_hwdep snd_rawmidi snd_seq snd_seq_device snd_seq_midi snd_seq_midi_event snd_usb_audio snd_usbmidi_lib !!ALSA/HDA dmesg !!-------------- [ 0.985715] mmcblk1: p1 [ 0.988013] rk-multicodecs acodec-sound: rk3308-hifi <-> ff320000.i2s mapping ok [ 0.989947] input: rockchip,rk3308-acodec Headphones as /devices/platform/acodec-sound/sound/card1/input0 [ 0.991596] u32 classifier -- [ 1.051445] hctosys: unable to open rtc device (rtc0) [ 1.067024] ALSA device list: [ 1.067352] #0: Loopback 1 -- [ 8.310679] [BT_RFKILL]: bt turn on power [ 8.377460] usbcore: registered new interface driver snd-usb-audio -- [ 676.025577] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 685.359051] usbcore: deregistering interface driver snd-usb-audio [ 685.827112] usbcore: registered new interface driver snd-usb-audio [ 685.984444] usb 1-1: cannot get ctl value: req = 0x81, wValue = 0x100, wIndex = 0x400, type = 0 -- [ 686.232681] usb 1-1: cannot get ctl value: req = 0x81, wValue = 0x100, wIndex = 0x400, type = 0 [ 762.642632] usbcore: deregistering interface driver snd-usb-audio [ 763.118559] usbcore: registered new interface driver snd-usb-audio [ 763.261560] usb 1-1: cannot get ctl value: req = 0x81, wValue = 0x100, wIndex = 0x400, type = 0 !!Packages installed !!-------------------- ii alsa-tools 1.1.7-1ubuntu1 arm64 Console based ALSA utilities for specific hardware ii alsa-utils 1.2.2-1ubuntu2.1 arm64 Utilities for configuring and using ALSA