!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Sat Jul 8 07:43:09 UTC 2023 !!Linux Distribution !!------------------ ARCH=arm INITRD_ARCH=arm ARCH=arm INITRD_ARCH=arm DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 22.04.2 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian UBUNTU_CODENAME=jammy !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.1.30-rockchip Operating System: GNU/Linux Architecture: armv7l Processor: armv7l SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.1.30-rockchip Library version: 1.2.6.1 Utilities version: 1.2.6 !!Loaded ALSA modules !!------------------- snd_soc_simple_card (card 0) snd_usb_audio (card 1) snd_usb_audio (card 2) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [HDMI ]: simple-card - HDMI HDMI 1 [AUDIO ]: USB-Audio - USB HIFI AUDIO C-Media Electronics Inc. USB HIFI AUDIO at usb-ff540000.usb-1.2, full speed 2 [Audio ]: USB-Audio - USB Audio Generic USB Audio at usb-ff500000.usb-1, high speed !!PCI Soundcards installed in the system !!-------------------------------------- !!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_soc_simple_card * : !!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 !!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/card0 Driver: /sys/bus/platform/drivers/asoc-simple-card Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 003: ID 0d8c:0147 C-Media Electronics, Inc. USB HIFI AUDIO Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 16 idVendor 0x0d8c C-Media Electronics, Inc. idProduct 0x0147 bcdDevice 1.09 iManufacturer 1 C-Media Electronics Inc. iProduct 2 USB HIFI AUDIO iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0207 bNumInterfaces 1 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 0x005d bInCollection 2 baInterfaceNr(0) 1 baInterfaceNr(1) 2 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 5 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 8 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x00 bmaControls(2) 0x00 iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 7 bSourceID 2 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 4 (MIXER_UNIT) bUnitID 8 bNrInPins 2 baSourceID(0) 1 baSourceID(1) 7 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 bmControls(0) 0x00 iMixer 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0000 iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 6 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 6 bSourceID 2 bControlSize 1 bmaControls(0) 0x03 Mute Control Volume Control bmaControls(1) 0x00 iFeature 0 Bus 003 Device 002: ID 0bda:49f6 Realtek Semiconductor Corp. USB Audio Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0bda Realtek Semiconductor Corp. idProduct 0x49f6 bcdDevice 0.08 iManufacturer 3 Generic iProduct 1 USB Audio iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x042d bNumInterfaces 7 bConfigurationValue 1 iConfiguration 4 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 5 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x00c6 bInCollection 5 baInterfaceNr(0) 1 baInterfaceNr(1) 2 baInterfaceNr(2) 3 baInterfaceNr(3) 4 baInterfaceNr(4) 5 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 7 wTerminalType 0x0402 Headset bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 13 wTerminalType 0x0101 USB Streaming bAssocTerminal 7 bSourceID 25 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 19 bSourceID 7 bControlSize 2 bmaControls(0) 0x0001 Mute Control bmaControls(1) 0x0002 Volume Control bmaControls(2) 0x0002 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 15 bDescriptorType 36 bDescriptorSubtype 8 (EXTENSION_UNIT) bUnitID 25 wExtensionCode 0x0bda bNrInPins 1 baSourceID(0) 19 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 bControlSize 1 bmControls(0) 0x01 iExtension 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 8 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 14 wTerminalType 0x0101 USB Streaming bAssocTerminal 8 bSourceID 20 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 20 bSourceID 8 bControlSize 2 bmaControls(0) 0x0001 Mute Control bmaControls(1) 0x0002 Volume Control bmaControls(2) 0x0002 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 10 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 16 wTerminalType 0x0402 Headset bAssocTerminal 10 bSourceID 22 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 22 bSourceID 10 bControlSize 2 bmaControls(0) 0x0001 Mute Control bmaControls(1) 0x0002 Volume Control bmaControls(2) 0x0002 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 11 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 17 wTerminalType 0x0605 SPDIF interface bAssocTerminal 11 bSourceID 23 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 23 bSourceID 11 bControlSize 2 bmaControls(0) 0x0001 Mute Control bmaControls(1) 0x0002 Volume Control bmaControls(2) 0x0002 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 12 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 18 wTerminalType 0x0302 Headphones bAssocTerminal 12 bSourceID 24 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 24 bSourceID 12 bControlSize 2 bmaControls(0) 0x0001 Mute Control bmaControls(1) 0x0002 Volume Control bmaControls(2) 0x0002 Volume Control iFeature 0 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x87 EP 7 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 8 bRefresh 0 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 8000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0028 1x 40 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00e4 1x 228 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0156 1x 342 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00f8 1x 248 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0174 1x 372 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 10 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 8000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0028 1x 40 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00e4 1x 228 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0156 1x 342 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 5 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 96000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x01f0 1x 496 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 6 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 96000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x02e8 1x 744 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 7 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 192000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x03e4 1x 996 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 8 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 11 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 192000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0ae8 2x 744 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 12 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00e4 1x 228 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 12 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0156 1x 342 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 12 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 5 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 12 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 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 50 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x88 EP 8 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 4 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- C-Media Electronics Inc. USB HIFI AUDIO at usb-ff540000.usb-1.2, full speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x01 (1 OUT) (SYNC) Rates: 44100, 48000 Bits: 16 Channel map: FL FR Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x01 (1 OUT) (SYNC) Rates: 44100, 48000 Bits: 24 Channel map: FL FR Interface 1 Altset 3 Format: S16_LE Channels: 2 Endpoint: 0x01 (1 OUT) (SYNC) Rates: 96000 Bits: 16 Channel map: FL FR Interface 1 Altset 4 Format: S24_3LE Channels: 2 Endpoint: 0x01 (1 OUT) (SYNC) Rates: 96000 Bits: 24 Channel map: FL FR Capture: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 1 Endpoint: 0x82 (2 IN) (SYNC) Rates: 44100, 48000 Bits: 16 Channel map: MONO Interface 2 Altset 2 Format: S24_3LE Channels: 1 Endpoint: 0x82 (2 IN) (SYNC) Rates: 44100, 48000 Bits: 24 Channel map: MONO Interface 2 Altset 3 Format: S16_LE Channels: 1 Endpoint: 0x82 (2 IN) (SYNC) Rates: 96000 Bits: 16 Channel map: MONO Interface 2 Altset 4 Format: S24_3LE Channels: 1 Endpoint: 0x82 (2 IN) (SYNC) Rates: 96000 Bits: 24 Channel map: MONO Generic USB Audio at usb-ff500000.usb-1, high speed : USB Audio Playback: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x04 (4 OUT) (ADAPTIVE) Rates: 8000 Data packet interval: 1000 us 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 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Generic USB Audio at usb-ff500000.usb-1, high speed : USB Audio #1 Playback: Status: Stop Interface 4 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 4 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Interface 4 Altset 3 Format: S16_LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 4 Altset 4 Format: S24_3LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 48000 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Interface 4 Altset 5 Format: S16_LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 96000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 4 Altset 6 Format: S24_3LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 96000 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Interface 4 Altset 7 Format: S16_LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 192000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 4 Altset 8 Format: S24_3LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 192000 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Capture: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 44100 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 2 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 44100 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Interface 2 Altset 3 Format: S16_LE Channels: 2 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 2 Altset 4 Format: S24_3LE Channels: 2 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Generic USB Audio at usb-ff500000.usb-1, high speed : USB Audio #2 Playback: Status: Stop Interface 5 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 44100 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 5 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 44100 Data packet interval: 1000 us Bits: 24 Channel map: FL FR Interface 5 Altset 3 Format: S16_LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Interface 5 Altset 4 Format: S24_3LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 48000 Data packet interval: 1000 us Bits: 24 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c0147, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB HIFI AUDIO at usb-ff540000.usb-1.2, full speed Unit: 5 Control: name="Speaker 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: 6 Control: name="Mic Capture Volume", index=0 Info: id=6, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=7680, dBmin=0, dBmax=3000 Unit: 6 Control: name="Mic Capture Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="Mic Playback Volume", index=0 Info: id=7, control=2, cmask=0x1, channels=1, type="S16" Volume: min=-3840, max=5376, dBmin=-1500, dBmax=2100 Unit: 7 Control: name="Mic Playback Switch", index=0 Info: id=7, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 USB Mixer: usb_id=0x0bda49f6, ctrlif=0, ctlerr=0 Card: Generic USB Audio at usb-ff500000.usb-1, high speed Unit: 19 Control: name="Headset Capture Volume", index=0 Info: id=19, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4512, max=0, dBmin=-1762, dBmax=0 Unit: 19 Control: name="Headset Capture Switch", index=0 Info: id=19, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 20 Control: name="Mic Capture Volume", index=0 Info: id=20, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4512, max=3072, dBmin=-1762, dBmax=1200 Unit: 20 Control: name="Mic Capture Switch", index=0 Info: id=20, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 22 Control: name="PCM Playback Volume", index=0 Info: id=22, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16800, max=0, dBmin=-6562, dBmax=0 Unit: 22 Control: name="PCM Playback Switch", index=0 Info: id=22, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 23 Control: name="PCM Playback Volume", index=1 Info: id=23, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16800, max=0, dBmin=-6562, dBmax=0 Unit: 23 Control: name="PCM Playback Switch", index=1 Info: id=23, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 24 Control: name="PCM Playback Volume", index=2 Info: id=24, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16800, max=0, dBmin=-6562, dBmax=0 Unit: 24 Control: name="PCM Playback Switch", index=2 Info: id=24, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 25 Control: name="Extension Unit Switch", index=0 Info: id=25, control=1, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Jul 8 09:42 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 7 Jul 8 09:42 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 13 Jul 8 09:42 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 3 Jul 8 09:42 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 2 Jul 8 09:42 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 6 Jul 8 09:42 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 5 Jul 8 09:42 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 9 Jul 8 09:42 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 8 Jul 8 09:42 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 11 Jul 8 09:42 /dev/snd/pcmC2D1c crw-rw---- 1 root audio 116, 10 Jul 8 09:42 /dev/snd/pcmC2D1p crw-rw---- 1 root audio 116, 12 Jul 8 09:42 /dev/snd/pcmC2D2p crw-rw---- 1 root audio 116, 1 Jul 8 09:42 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 8 09:42 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 80 Jul 8 09:42 . drwxr-xr-x 4 root root 360 Jul 8 09:42 .. lrwxrwxrwx 1 root root 12 Jul 8 09:42 usb-C-Media_Electronics_Inc._USB_HIFI_AUDIO-00 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jul 8 09:42 usb-Generic_USB_Audio-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Jul 8 09:42 . drwxr-xr-x 4 root root 360 Jul 8 09:42 .. lrwxrwxrwx 1 root root 12 Jul 8 09:42 platform-ff500000.usb-usb-0:1:1.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Jul 8 09:42 platform-ff540000.usb-usb-0:1.2:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jul 8 09:42 platform-sound -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) defaults.pcm.!card AUDIO defaults.ctl.!card AUDIO !!System wide config file (/etc/asound.conf) pcm.OnBoard_D0 { type hw card OnBoard device 0 } pcm.OnBoard_D1 { type hw card OnBoard device 1 } pcm.OnBoard_D2 { type hw card OnBoard device 2 } # Configuration to expose the SPDIF device of RK3288 to ALSA. # The device tree must describe a simple-audio-card device named "SPDIF" # for this to work properly # This percolates to PulseAudio, which will eventually show the proper # labels to the audio device cards.SPDIF.pcm.iec958.0 { @args [ CARD AES0 AES1 AES2 AES3 ] @args.CARD { type string } @args.AES0 { type integer } @args.AES1 { type integer } @args.AES2 { type integer } @args.AES3 { type integer } type hw card $CARD } # Configuration to expose the HDMI device of RK3288 to ALSA. # The device tree must describe a simple-audio-card device named "DW-I2S-HDMI" # for this to work properly # This percolates to PulseAudio, which will eventually show the proper # labels to the audio device cards.DW-I2S-HDMI.pcm.hdmi.0 { @args [ CARD DEVICE CTLINDEX AES0 AES1 AES2 AES3 ] @args.CARD { type string } @args.DEVICE { type integer } @args.CTLINDEX { type integer } @args.AES0 { type integer } @args.AES1 { type integer } @args.AES2 { type integer } @args.AES3 { type integer } type hw card $CARD } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: HDMI [HDMI], device 0: ff890000.i2s-i2s-hifi i2s-hifi-0 [ff890000.i2s-i2s-hifi i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: AUDIO [USB HIFI AUDIO], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 2: USB Audio [USB Audio #2] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: HDMI [HDMI], device 0: ff890000.i2s-i2s-hifi i2s-hifi-0 [ff890000.i2s-i2s-hifi i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: AUDIO [USB HIFI AUDIO], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card HDMI Card sysdefault:0 'HDMI'/'HDMI' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!-------Mixer controls for card AUDIO Card sysdefault:1 'AUDIO'/'C-Media Electronics Inc. USB HIFI AUDIO at usb-ff540000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0147' Controls : 7 Simple ctrls : 2 Simple mixer control 'Speaker',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 36 Capture 0 - 30 Mono: Playback 14 [39%] [-1.00dB] [off] Capture 20 [67%] [20.00dB] [on] !!-------Mixer controls for card Audio Card sysdefault:2 'Audio'/'Generic USB Audio at usb-ff500000.usb-1, high speed' Mixer name : 'USB Mixer' Components : 'USB0bda:49f6' Controls : 16 Simple ctrls : 6 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 175 Mono: Front Left: Playback 121 [69%] [-20.25dB] [on] Front Right: Playback 121 [69%] [-20.25dB] [on] Simple mixer control 'PCM',1 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 175 Mono: Front Left: Playback 121 [69%] [-20.25dB] [on] Front Right: Playback 121 [69%] [-20.25dB] [on] Simple mixer control 'PCM',2 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 175 Mono: Front Left: Playback 175 [100%] [0.00dB] [on] Front Right: Playback 175 [100%] [0.00dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 79 Front Left: Capture 0 [0%] [-17.62dB] [on] Front Right: Capture 0 [0%] [-17.62dB] [on] Simple mixer control 'Extension Unit',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Headset',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 47 Front Left: Capture 47 [100%] [0.00dB] [on] Front Right: Capture 47 [100%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.HDMI { control.1 { 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 type INTEGER count 8 range '0 - 36' } } control.2 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.3 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.4 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } state.AUDIO { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value 14 comment { access 'read write' type INTEGER count 1 range '0 - 36' dbmin -1500 dbmax 2100 dbvalue.0 -100 } } control.5 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Mic Capture Volume' value 20 comment { access 'read write' type INTEGER count 1 range '0 - 30' dbmin 0 dbmax 3000 dbvalue.0 2000 } } } state.Audio { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM device 1 name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.4 { iface PCM device 1 name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.5 { iface PCM device 2 name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.6 { iface MIXER name 'Headset Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Headset Capture Volume' value.0 47 value.1 47 comment { access 'read write' type INTEGER count 2 range '0 - 47' dbmin -1762 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.8 { iface MIXER name 'Extension Unit Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.9 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Mic Capture Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 79' dbmin -1762 dbmax 1200 dbvalue.0 -1762 dbvalue.1 -1762 } } control.11 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'PCM Playback Volume' value.0 121 value.1 121 comment { access 'read write' type INTEGER count 2 range '0 - 175' dbmin -6562 dbmax 0 dbvalue.0 -2025 dbvalue.1 -2025 } } control.13 { iface MIXER name 'PCM Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.14 { iface MIXER name 'PCM Playback Volume' index 1 value.0 121 value.1 121 comment { access 'read write' type INTEGER count 2 range '0 - 175' dbmin -6562 dbmax 0 dbvalue.0 -2025 dbvalue.1 -2025 } } control.15 { iface MIXER name 'PCM Playback Switch' index 2 value true comment { access 'read write' type BOOLEAN count 1 } } control.16 { iface MIXER name 'PCM Playback Volume' index 2 value.0 175 value.1 175 comment { access 'read write' type INTEGER count 2 range '0 - 175' dbmin -6562 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8723ds aes_arm_bs af_alg algif_hash algif_skcipher cpufreq_dt cryptd crypto_engine crypto_simd dw_hdmi_cec dw_hdmi_i2s_audio dw_wdt fuse gpio_keys gpio_rockchip gpu_sched hantro_vpu hci_uart ip_tables lz4 lz4hc panfrost realtek reboot_mode rk3288_gpiomem rk_crypto rockchip_iep rockchip_rga rockchip_thermal rockchip_vdec sch_fq_codel snd snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq snd_seq_device snd_seq_midi snd_seq_midi_event snd_soc_core snd_soc_hdmi_codec snd_soc_rockchip_i2s snd_soc_simple_card snd_soc_simple_card_utils snd_timer snd_usb_audio snd_usbmidi_lib soundcore sunrpc syscon_reboot_mode uas v4l2_h264 v4l2_mem2mem v4l2_vp9 videobuf2_common videobuf2_dma_contig videobuf2_dma_sg videobuf2_memops videobuf2_v4l2 zram !!ALSA/HDA dmesg !!-------------- [ 1.517884] dwhdmi-rockchip ff980000.hdmi: supply avdd-1v8 not found, using dummy regulator [ 1.518366] dwhdmi-rockchip ff980000.hdmi: Detected HDMI TX controller v2.01a with HDCP (DWC HDMI 2.0 TX PHY) [ 1.519585] rockchip-drm display-subsystem: bound ff980000.hdmi (ops 0xc117caa0) -- [ 11.222229] EXT4-fs (zram1): mounted filesystem without journal. Quota mode: none. [ 11.333797] usbcore: registered new interface driver snd-usb-audio [ 11.415884] systemd[1]: Condition check resulted in Dispatch Password Requests to Console Directory Watch being skipped. !!Packages installed !!-------------------- ii alsa-tools 1.2.5-2 armhf Console based ALSA utilities for specific hardware ii alsa-ucm-conf 1.2.6.3-1ubuntu1.6 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.6-1ubuntu1 armhf Utilities for configuring and using ALSA