USB 带宽
USB 2.0: 理论带宽 480 Mbps, 实际数据的传输速度存理论上最高也只有53 MB/s(426Mbps).实际综合条件下15 MB/s至25 MB/s都可以作为合理的高速目标。
Usb Camera带宽
wMaxPacketSize变量说明的就是该uvc camera支持的带宽，它会支持多种带宽，以适应不同的USB传输速率
一个摄像头占用带宽可以粗略估算：长(640)宽(480)帧率(30)*像素点数据长度(24) + 协议头部 = 640 x 480 x 30 x 24 = 26.3MB/s (210Mbps)
lsusb -v -d 1ad8:c38d
Bus 003 Device 029: ID 1ad8:c38d
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.10
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x1ad8
idProduct 0xc38d
bcdDevice 1.00
iManufacturer 3
iProduct 1
iSerial 2
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 1128
bNumInterfaces 4
bConfigurationValue 1
iConfiguration 4
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 5
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 5
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 107
dwClockFrequency 15.000000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 18
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 0
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 3
bmControls 0x00022a2e
Auto-Exposure Mode
Auto-Exposure Priority
Exposure Time (Absolute)
Focus (Absolute)
Zoom (Absolute)
PanTilt (Absolute)
Roll (Absolute)
Focus, Auto
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 2
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157f
Brightness
Contrast
Hue
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 0
bmVideoStandards 0x 9
None
SECAM - 625/50
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 3
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 6
iTerminal 0
VideoControl Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 6 (EXTENSION_UNIT)
bUnitID 4
guidExtensionCode {8ca72912-b447-9440-b0ce-db07386fb938}
bNumControl 2
bNrPins 1
baSourceID( 0) 2
bControlSize 2
bmControls( 0) 0x00
bmControls( 1) 0x06
iExtension 0
VideoControl Interface Descriptor:
bLength 29
bDescriptorType 36
bDescriptorSubtype 6 (EXTENSION_UNIT)
bUnitID 6
guidExtensionCode {5a10b826-1307-7048-979d-da79444bb68e}
bNumControl 12
bNrPins 1
baSourceID( 0) 4
bControlSize 4
bmControls( 0) 0x3f
bmControls( 1) 0x00
bmControls( 2) 0xfc
bmControls( 3) 0x00
iExtension 6
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 6
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
VideoStreaming Interface Descriptor:
bLength 15
bDescriptorType 36
bDescriptorSubtype 1 (INPUT_HEADER)
bNumFormats 2
wTotalLength 367
bEndPointAddress 129
bmInfo 0
bTerminalLink 3
bStillCaptureMethod 2
bTriggerSupport 1
bTriggerUsage 0
bControlSize 1
bmaControls( 0) 11
bmaControls( 1) 11
VideoStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 6 (FORMAT_MJPEG)
bFormatIndex 1
bNumFrameDescriptors 7
bFlags 1
Fixed-size samples: Yes
bDefaultFrameIndex 1
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 1 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 3264
wHeight 2448
dwMinBitRate 1917665280
dwMaxBitRate 1917665280
dwMaxVideoFrameBufferSize 15980544
dwDefaultFrameInterval 666666
bFrameIntervalType 1
dwFrameInterval( 0) 666666
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 995328000
dwMaxBitRate 995328000
dwMaxVideoFrameBufferSize 4147200
dwDefaultFrameInterval 333333
bFrameIntervalType 1
dwFrameInterval( 0) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 442368000
dwMaxBitRate 442368000
dwMaxVideoFrameBufferSize 1843200
dwDefaultFrameInterval 333333
bFrameIntervalType 1
dwFrameInterval( 0) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 640
wHeight 480
dwMinBitRate 147456000
dwMaxBitRate 147456000
dwMaxVideoFrameBufferSize 614400
dwDefaultFrameInterval 333333
bFrameIntervalType 1
dwFrameInterval( 0) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 5
bmCapabilities 0x00
Still image unsupported
wWidth 1600
wHeight 1200
dwMinBitRate 921600000
dwMaxBitRate 921600000
dwMaxVideoFrameBufferSize 3840000
dwDefaultFrameInterval 333333
bFrameIntervalType 1
dwFrameInterval( 0) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 6
bmCapabilities 0x00
Still image unsupported
wWidth 2048
wHeight 1536
dwMinBitRate 1509949440
dwMaxBitRate 1509949440
dwMaxVideoFrameBufferSize 6291456
dwDefaultFrameInterval 333333
bFrameIntervalType 1
dwFrameInterval( 0) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 7
bmCapabilities 0x00
Still image unsupported
wWidth 2592
wHeight 1944
dwMinBitRate 1209323520
dwMaxBitRate 1209323520
dwMaxVideoFrameBufferSize 10077696
dwDefaultFrameInterval 666666
bFrameIntervalType 1
dwFrameInterval( 0) 666666
VideoStreaming Interface Descriptor:
bLength 18
bDescriptorType 36
bDescriptorSubtype 3 (STILL_IMAGE_FRAME)
bEndpointAddress 0
bNumImageSizePatterns 3
wWidth( 0) 1920
wHeight( 0) 1080
wWidth( 1) 1280
wHeight( 1) 720
wWidth( 2) 640
wHeight( 2) 480
bNumCompressionPatterns 3
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 4 (SMPTE 170M (BT.601))
VideoStreaming Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
bFormatIndex 2
bNumFrameDescriptors 2
guidFormat {59555932-0000-1000-8000-00aa00389b71}
bBitsPerPixel 16
bDefaultFrameIndex 1
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 2 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 640
wHeight 480
dwMinBitRate 147456000
dwMaxBitRate 147456000
dwMaxVideoFrameBufferSize 614400
dwDefaultFrameInterval 333333
bFrameIntervalType 1
dwFrameInterval( 0) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 147456000
dwMaxBitRate 147456000
dwMaxVideoFrameBufferSize 1843200
dwDefaultFrameInterval 1000000
bFrameIntervalType 1
dwFrameInterval( 0) 1000000
VideoStreaming Interface Descriptor:
bLength 14
bDescriptorType 36
bDescriptorSubtype 3 (STILL_IMAGE_FRAME)
bEndpointAddress 0
bNumImageSizePatterns 2
wWidth( 0) 1280
wHeight( 0) 720
wWidth( 1) 640
wHeight( 1) 360
bNumCompressionPatterns 2
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 4 (SMPTE 170M (BT.601))
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0080 1x 128 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 2
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 3
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 4
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0b00 2x 768 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 5
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0c00 2x 1024 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 6
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x1380 3x 896 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 7
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x1400 3x 1024 bytes
bInterval 1
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 2
bInterfaceCount 2
bFunctionClass 1 Audio
bFunctionSubClass 2 Streaming
bFunctionProtocol 0
iFunction 7
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 7
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 39
bInCollection 1
baInterfaceNr( 0) 3
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Microphone
bAssocTerminal 0
bNrChannels 1
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 1
bSourceID 3
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 3
bSourceID 1
bControlSize 2
bmaControls( 0) 0x03
bmaControls( 0) 0x02
Mute Control
Volume Control
Loudness Control
iFeature 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 2 PCM8
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 1
bBitResolution 8
bSamFreqType 1 Discrete
tSamFreq[ 0] 22050
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x003c 1x 60 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 2
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 2 PCM8
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 1
bBitResolution 8
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 0x006c 1x 108 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 3
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 2 PCM8
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 1
bBitResolution 8
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 0x0078 1x 120 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 4
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 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] 22050
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x006c 1x 108 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 5
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 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 0x00c0 1x 192 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 6
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 1
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 48000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0078 1x 120 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 7
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 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 0x00d8 1x 216 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 8
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 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] 22050
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0090 1x 144 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 9
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 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 0x0114 1x 276 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 10
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 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 0x012c 1x 300 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Kernel
kernel/drivers/media/usb/uvc/uvc_video.c
//lixiaogang add start
#define UVC_LIMITED_BANDWIDTH 800
//lixiaogang add end
/*
* Initialize isochronous/bulk URBs and allocate transfer buffers.
*/
static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
{
struct usb_interface *intf = stream->intf;
struct usb_host_endpoint *ep;
unsigned int i;
int ret;
stream->sequence = -1;
stream->last_fid = -1;
stream->bulk.header_size = 0;
stream->bulk.skip_payload = 0;
stream->bulk.payload_size = 0;
uvc_video_stats_start(stream);
stream->async_wq = alloc_workqueue("uvcvideo", WQ_UNBOUND | WQ_HIGHPRI,
0);
if (!stream->async_wq)
return -ENOMEM;
if (intf->num_altsetting > 1) {
struct usb_host_endpoint *best_ep = NULL;
unsigned int best_psize = UINT_MAX;
unsigned int bandwidth;
unsigned int uninitialized_var(altsetting);
int intfnum = stream->intfnum;
/* Isochronous endpoint, select the alternate setting. */
bandwidth = stream->ctrl.dwMaxPayloadTransferSize;
//lixioagang add start
if (bandwidth > UVC_LIMITED_BANDWIDTH) {
printk(KERN_ERR "UVC_DBG: limit bandwidth from %d to %d \n",
bandwidth, UVC_LIMITED_BANDWIDTH);
bandwidth = UVC_LIMITED_BANDWIDTH;
}
//lixiaogang add end
if (bandwidth == 0) {
uvc_trace(UVC_TRACE_VIDEO, "Device requested null "
"bandwidth, defaulting to lowest.\n");
bandwidth = 1;
} else {
uvc_trace(UVC_TRACE_VIDEO, "Device requested %u "
"B/frame bandwidth.\n", bandwidth);
}
for (i = 0; i < intf->num_altsetting; ++i) {
struct usb_host_interface *alts;
unsigned int psize;
alts = &intf->altsetting[i];
ep = uvc_find_endpoint(alts,
stream->header.bEndpointAddress);
if (ep == NULL)
continue;
/* Check if the bandwidth is high enough. */
psize = uvc_endpoint_max_bpi(stream->dev->udev, ep);
if (psize >= bandwidth && psize <= best_psize) {
altsetting = alts->desc.bAlternateSetting;
best_psize = psize;
best_ep = ep;
}
}
if (best_ep == NULL) {
uvc_trace(UVC_TRACE_VIDEO, "No fast enough alt setting "
"for requested bandwidth.\n");
return -EIO;
}
uvc_trace(UVC_TRACE_VIDEO, "Selecting alternate setting %u "
"(%u B/frame bandwidth).\n", altsetting, best_psize);
ret = usb_set_interface(stream->dev->udev, intfnum, altsetting);
if (ret < 0)
return ret;
ret = uvc_init_video_isoc(stream, best_ep, gfp_flags);
} else {
/* Bulk endpoint, proceed to URB initialization. */
ep = uvc_find_endpoint(&intf->altsetting[0],
stream->header.bEndpointAddress);
if (ep == NULL)
return -EIO;
ret = uvc_init_video_bulk(stream, ep, gfp_flags);
}
if (ret < 0)
return ret;
/* Submit the URBs. */
for (i = 0; i < UVC_URBS; ++i) {
struct uvc_urb *uvc_urb = &stream->uvc_urb[i];
ret = usb_submit_urb(uvc_urb->urb, gfp_flags);
if (ret < 0) {
uvc_printk(KERN_ERR, "Failed to submit URB %u "
"(%d).\n", i, ret);
uvc_uninit_video(stream, 1);
return ret;
}
}
/* The Logitech C920 temporarily forgets that it should not be adjusting
* Exposure Absolute during init so restore controls to stored values.
*/
if (stream->dev->quirks & UVC_QUIRK_RESTORE_CTRLS_ON_INIT)
uvc_ctrl_restore_values(stream->dev);
return 0;
}
Linux UVC debug
echo 0xffff > /sys/module/uvcvideo/parameters/trace
echo 0 > /sys/module/uvcvideo/parameters/trace
RK3288 双路 USB camera 带宽不足
[ 3565.941930] usb 1-1.5: new high-speed USB device number 15 using dwc2
[ 3566.159852] usb 1-1.5: New USB device found, idVendor=058f, idProduct=2657
[ 3566.159910] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 3566.159947] usb 1-1.5: Product: PC Camera
[ 3566.159982] usb 1-1.5: Manufacturer: Alcor Micro, Corp.
[ 3566.168266] uvcvideo: Probing generic UVC device 1.5
[ 3566.168329] uvcvideo: Found format YUV 4:2:2 (YUYV).
[ 3566.168350] uvcvideo: - 640x480 (30.0 fps)
[ 3566.168368] uvcvideo: - 352x288 (30.0 fps)
[ 3566.168384] uvcvideo: - 320x240 (30.0 fps)
[ 3566.168400] uvcvideo: - 176x144 (30.0 fps)
[ 3566.168416] uvcvideo: - 160x120 (30.0 fps)
[ 3566.168454] uvcvideo: - 800x600 (15.0 fps)
[ 3566.168471] uvcvideo: - 1280x960 (12.0 fps)
[ 3566.168487] uvcvideo: - 1280x720 (15.0 fps)
[ 3566.168502] uvcvideo: Found format MJPEG.
[ 3566.168518] uvcvideo: - 640x480 (30.0 fps)
[ 3566.168534] uvcvideo: - 352x288 (30.0 fps)
[ 3566.168641] uvcvideo: - 320x240 (30.0 fps)
[ 3566.168658] uvcvideo: - 176x144 (30.0 fps)
[ 3566.168674] uvcvideo: - 160x120 (30.0 fps)
[ 3566.168707] uvcvideo: - 800x600 (30.0 fps)
[ 3566.168723] uvcvideo: - 1280x960 (30.0 fps)
[ 3566.168738] uvcvideo: - 1280x720 (30.0 fps)
[ 3566.168770] uvcvideo: Found a Status endpoint (addr 81).
[ 3566.168789] uvcvideo: Found UVC 1.00 device PC Camera (058f:2657)
[ 3566.169776] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.5 entity 1
[ 3566.169825] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[ 3566.169862] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1.5 entity 1
[ 3566.169886] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[ 3566.169915] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1.5 entity 1
[ 3566.169949] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[ 3566.169980] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/11 to device 1.5 entity 1
[ 3566.170005] uvcvideo: Adding mapping 'Zoom, Absolute' to control 00000000-0000-0000-0000-000000000001/11.
[ 3566.170033] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/13 to device 1.5 entity 1
[ 3566.170068] uvcvideo: Adding mapping 'Pan (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3566.170088] uvcvideo: Adding mapping 'Tilt (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3566.170112] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.5 entity 2
[ 3566.170130] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[ 3566.170158] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.5 entity 2
[ 3566.170176] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[ 3566.170211] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.5 entity 2
[ 3566.170230] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[ 3566.170255] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.5 entity 2
[ 3566.170274] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[ 3566.170299] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.5 entity 2
[ 3566.170326] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[ 3566.170353] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.5 entity 2
[ 3566.170372] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[ 3566.170397] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.5 entity 2
[ 3566.170419] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[ 3566.170480] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1.5 entity 2
[ 3566.170504] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[ 3566.170531] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.5 entity 2
[ 3566.170552] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[ 3566.170602] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.5 entity 2
[ 3566.170624] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[ 3566.170645] uvcvideo: Scanning UVC chain: OT 3 <- PU 2 (-> XU 6) <- IT 1
[ 3566.170730] uvcvideo: Found a valid video chain (1 -> 3).
[ 3566.180021] input: PC Camera as /devices/platform/ff540000.usb/usb1/1-1/1-1.5/1-1.5:1.0/input/input48
[ 3566.180507] uvcvideo: UVC device initialized.
[ 3566.182091] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3566.182128] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3566.182149] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3566.182172] rt5640 2-001c: Error applying setting, reverse things back
[ 3566.182239] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3566.186115] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3566.186152] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3566.186174] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3566.186199] rt5640 2-001c: Error applying setting, reverse things back
[ 3566.186251] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3566.193208] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3566.193251] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3566.193272] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3566.193291] rt5640 2-001c: Error applying setting, reverse things back
[ 3566.193344] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3566.391923] usb 1-1.6: new high-speed USB device number 16 using dwc2
[ 3566.901392] usb 1-1.6: New USB device found, idVendor=1ad8, idProduct=c38d
[ 3566.901420] usb 1-1.6: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[ 3566.901436] usb 1-1.6: Product: USB Camera
[ 3566.901447] usb 1-1.6: Manufacturer: FLIP_MIRROR
[ 3566.901456] usb 1-1.6: SerialNumber: 20180424
[ 3566.924099] uvcvideo: Probing generic UVC device 1.6
[ 3566.924124] uvcvideo: Found format MJPEG.
[ 3566.924132] uvcvideo: - 3264x2448 (15.0 fps)
[ 3566.924139] uvcvideo: - 1920x1080 (30.0 fps)
[ 3566.924146] uvcvideo: - 1280x720 (30.0 fps)
[ 3566.924153] uvcvideo: - 640x480 (30.0 fps)
[ 3566.924159] uvcvideo: - 1600x1200 (30.0 fps)
[ 3566.924166] uvcvideo: - 2048x1536 (30.0 fps)
[ 3566.924173] uvcvideo: - 2592x1944 (15.0 fps)
[ 3566.924186] uvcvideo: Found format YUV 4:2:2 (YUYV).
[ 3566.924193] uvcvideo: - 640x480 (30.0 fps)
[ 3566.924200] uvcvideo: - 1280x720 (10.0 fps)
[ 3566.933563] uvcvideo: Found a Status endpoint (addr 83).
[ 3566.933576] uvcvideo: Found UVC 1.00 device USB Camera (1ad8:c38d)
[ 3566.933855] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.6 entity 1
[ 3566.933869] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[ 3566.933886] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1.6 entity 1
[ 3566.933895] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[ 3566.933909] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1.6 entity 1
[ 3566.933918] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[ 3566.933938] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/6 to device 1.6 entity 1
[ 3566.933949] uvcvideo: Adding mapping 'Focus (absolute)' to control 00000000-0000-0000-0000-000000000001/6.
[ 3566.933961] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/11 to device 1.6 entity 1
[ 3566.933972] uvcvideo: Adding mapping 'Zoom, Absolute' to control 00000000-0000-0000-0000-000000000001/11.
[ 3566.933984] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/13 to device 1.6 entity 1
[ 3566.933995] uvcvideo: Adding mapping 'Pan (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3566.934003] uvcvideo: Adding mapping 'Tilt (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3566.934014] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/15 to device 1.6 entity 1
[ 3566.934031] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/8 to device 1.6 entity 1
[ 3566.934042] uvcvideo: Adding mapping 'Focus, Auto' to control 00000000-0000-0000-0000-000000000001/8.
[ 3566.934052] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.6 entity 2
[ 3566.934064] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[ 3566.934075] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.6 entity 2
[ 3566.934083] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[ 3566.934094] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.6 entity 2
[ 3566.934102] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[ 3566.934113] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.6 entity 2
[ 3566.934121] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[ 3566.934131] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.6 entity 2
[ 3566.934140] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[ 3566.934150] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.6 entity 2
[ 3566.934159] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[ 3566.934169] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.6 entity 2
[ 3566.934183] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[ 3566.934193] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1.6 entity 2
[ 3566.934202] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[ 3566.934214] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.6 entity 2
[ 3566.934224] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[ 3566.934236] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.6 entity 2
[ 3566.934245] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[ 3566.934257] uvcvideo: Scanning UVC chain: OT 3 <- XU 6 <- XU 4 <- PU 2 <- IT 1
[ 3566.934282] uvcvideo: Found a valid video chain (1 -> 3).
[ 3567.148275] input: USB Camera as /devices/platform/ff540000.usb/usb1/1-1/1-1.6/1-1.6:1.0/input/input49
[ 3567.149098] uvcvideo: UVC device initialized.
[ 3567.151172] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3567.151228] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3567.151260] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3567.151295] rt5640 2-001c: Error applying setting, reverse things back
[ 3567.151376] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3567.156595] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3567.156691] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3567.156890] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3567.157088] rt5640 2-001c: Error applying setting, reverse things back
[ 3567.157351] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.116676] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.116708] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.116721] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.116733] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.116772] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.118096] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.118125] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.118138] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.118149] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.118183] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.140125] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.140154] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.140165] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.140175] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.140209] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.162906] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.162935] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.162945] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.162953] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.162982] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.234288] uvcvideo: Probing generic UVC device 1.5
[ 3568.234860] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.234875] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.234884] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.234891] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.234919] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.235128] uvcvideo: Found format YUV 4:2:2 (YUYV).
[ 3568.235139] uvcvideo: - 640x480 (30.0 fps)
[ 3568.235145] uvcvideo: - 352x288 (30.0 fps)
[ 3568.235150] uvcvideo: - 320x240 (30.0 fps)
[ 3568.235154] uvcvideo: - 176x144 (30.0 fps)
[ 3568.235159] uvcvideo: - 160x120 (30.0 fps)
[ 3568.235164] uvcvideo: - 800x600 (15.0 fps)
[ 3568.235169] uvcvideo: - 1280x960 (12.0 fps)
[ 3568.235394] uvcvideo: - 1280x720 (15.0 fps)
[ 3568.235404] uvcvideo: Found format MJPEG.
[ 3568.235410] uvcvideo: - 640x480 (30.0 fps)
[ 3568.235416] uvcvideo: - 352x288 (30.0 fps)
[ 3568.235421] uvcvideo: - 320x240 (30.0 fps)
[ 3568.235426] uvcvideo: - 176x144 (30.0 fps)
[ 3568.235430] uvcvideo: - 160x120 (30.0 fps)
[ 3568.235435] uvcvideo: - 800x600 (30.0 fps)
[ 3568.235440] uvcvideo: - 1280x960 (30.0 fps)
[ 3568.235445] uvcvideo: - 1280x720 (30.0 fps)
[ 3568.235463] uvcvideo: Found a Status endpoint (addr 81).
[ 3568.235472] uvcvideo: Found UVC 1.00 device PC Camera (058f:2657)
[ 3568.236242] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.5 entity 1
[ 3568.236257] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[ 3568.236268] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1.5 entity 1
[ 3568.236274] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[ 3568.236283] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1.5 entity 1
[ 3568.236315] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[ 3568.236325] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/11 to device 1.5 entity 1
[ 3568.236333] uvcvideo: Adding mapping 'Zoom, Absolute' to control 00000000-0000-0000-0000-000000000001/11.
[ 3568.236341] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/13 to device 1.5 entity 1
[ 3568.236348] uvcvideo: Adding mapping 'Pan (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3568.236354] uvcvideo: Adding mapping 'Tilt (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3568.236361] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.5 entity 2
[ 3568.236366] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[ 3568.236375] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.5 entity 2
[ 3568.236380] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[ 3568.236388] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.5 entity 2
[ 3568.236394] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[ 3568.236401] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.5 entity 2
[ 3568.236407] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[ 3568.236414] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.5 entity 2
[ 3568.236419] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[ 3568.236427] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.5 entity 2
[ 3568.236434] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[ 3568.236442] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.5 entity 2
[ 3568.236448] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[ 3568.236455] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1.5 entity 2
[ 3568.236462] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[ 3568.236470] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.5 entity 2
[ 3568.236477] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[ 3568.236485] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.5 entity 2
[ 3568.236491] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[ 3568.236501] uvcvideo: Scanning UVC chain: OT 3 <- PU 2 (-> XU 6) <- IT 1
[ 3568.236547] uvcvideo: Found a valid video chain (1 -> 3).
[ 3568.254428] input: PC Camera as /devices/platform/ff540000.usb/usb1/1-1/1-1.5/1-1.5:1.0/input/input50
[ 3568.254740] uvcvideo: UVC device initialized.
[ 3568.255394] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.255411] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.255420] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.255434] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.255464] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.288368] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.288387] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.288397] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.288406] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.288436] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.322170] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.322191] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.322200] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.322209] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.322248] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.356819] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.356836] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.356845] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.356852] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.356885] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.414087] uvcvideo: Probing generic UVC device 1.5
[ 3568.414130] uvcvideo: Found format YUV 4:2:2 (YUYV).
[ 3568.414138] uvcvideo: - 640x480 (30.0 fps)
[ 3568.414142] uvcvideo: - 352x288 (30.0 fps)
[ 3568.414148] uvcvideo: - 320x240 (30.0 fps)
[ 3568.414152] uvcvideo: - 176x144 (30.0 fps)
[ 3568.414156] uvcvideo: - 160x120 (30.0 fps)
[ 3568.414161] uvcvideo: - 800x600 (15.0 fps)
[ 3568.414166] uvcvideo: - 1280x960 (12.0 fps)
[ 3568.414171] uvcvideo: - 1280x720 (15.0 fps)
[ 3568.414176] uvcvideo: Found format MJPEG.
[ 3568.414180] uvcvideo: - 640x480 (30.0 fps)
[ 3568.414185] uvcvideo: - 352x288 (30.0 fps)
[ 3568.414190] uvcvideo: - 320x240 (30.0 fps)
[ 3568.414194] uvcvideo: - 176x144 (30.0 fps)
[ 3568.414199] uvcvideo: - 160x120 (30.0 fps)
[ 3568.414204] uvcvideo: - 800x600 (30.0 fps)
[ 3568.414208] uvcvideo: - 1280x960 (30.0 fps)
[ 3568.414213] uvcvideo: - 1280x720 (30.0 fps)
[ 3568.414225] uvcvideo: Found a Status endpoint (addr 81).
[ 3568.414231] uvcvideo: Found UVC 1.00 device PC Camera (058f:2657)
[ 3568.414273] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.414285] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.414294] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.414301] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.414335] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.414718] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.5 entity 1
[ 3568.414732] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[ 3568.414743] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1.5 entity 1
[ 3568.414751] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[ 3568.414758] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1.5 entity 1
[ 3568.414765] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[ 3568.414774] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/11 to device 1.5 entity 1
[ 3568.414781] uvcvideo: Adding mapping 'Zoom, Absolute' to control 00000000-0000-0000-0000-000000000001/11.
[ 3568.414789] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/13 to device 1.5 entity 1
[ 3568.414796] uvcvideo: Adding mapping 'Pan (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3568.414801] uvcvideo: Adding mapping 'Tilt (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3568.414807] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.5 entity 2
[ 3568.414813] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[ 3568.414820] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.5 entity 2
[ 3568.414826] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[ 3568.414833] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.5 entity 2
[ 3568.414839] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[ 3568.414847] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.5 entity 2
[ 3568.414852] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[ 3568.414859] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.5 entity 2
[ 3568.414865] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[ 3568.414871] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.5 entity 2
[ 3568.414877] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[ 3568.414884] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.5 entity 2
[ 3568.414890] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[ 3568.414900] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1.5 entity 2
[ 3568.414905] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[ 3568.414913] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.5 entity 2
[ 3568.414920] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[ 3568.414927] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.5 entity 2
[ 3568.414933] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[ 3568.414940] uvcvideo: Scanning UVC chain: OT 3 <- PU 2 (-> XU 6) <- IT 1
[ 3568.414959] uvcvideo: Found a valid video chain (1 -> 3).
[ 3568.435695] input: PC Camera as /devices/platform/ff540000.usb/usb1/1-1/1-1.5/1-1.5:1.0/input/input51
[ 3568.435907] uvcvideo: UVC device initialized.
[ 3568.436107] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.436120] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.436129] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.436137] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.436172] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.705762] uvcvideo: Probing generic UVC device 1.6
[ 3568.705944] uvcvideo: Found format MJPEG.
[ 3568.705989] uvcvideo: - 3264x2448 (15.0 fps)
[ 3568.706022] uvcvideo: - 1920x1080 (30.0 fps)
[ 3568.706053] uvcvideo: - 1280x720 (30.0 fps)
[ 3568.706083] uvcvideo: - 640x480 (30.0 fps)
[ 3568.706113] uvcvideo: - 1600x1200 (30.0 fps)
[ 3568.706143] uvcvideo: - 2048x1536 (30.0 fps)
[ 3568.706173] uvcvideo: - 2592x1944 (15.0 fps)
[ 3568.706203] uvcvideo: Found format YUV 4:2:2 (YUYV).
[ 3568.706236] uvcvideo: - 640x480 (30.0 fps)
[ 3568.706266] uvcvideo: - 1280x720 (10.0 fps)
[ 3568.706618] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.706727] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.706784] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.706866] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.707012] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.710199] uvcvideo: Found a Status endpoint (addr 83).
[ 3568.710252] uvcvideo: Found UVC 1.00 device USB Camera (1ad8:c38d)
[ 3568.711536] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.6 entity 1
[ 3568.711600] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[ 3568.711676] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1.6 entity 1
[ 3568.711719] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[ 3568.711773] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1.6 entity 1
[ 3568.711814] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[ 3568.711868] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/6 to device 1.6 entity 1
[ 3568.712028] uvcvideo: Adding mapping 'Focus (absolute)' to control 00000000-0000-0000-0000-000000000001/6.
[ 3568.712086] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/11 to device 1.6 entity 1
[ 3568.712992] uvcvideo: Adding mapping 'Zoom, Absolute' to control 00000000-0000-0000-0000-000000000001/11.
[ 3568.713011] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/13 to device 1.6 entity 1
[ 3568.713025] uvcvideo: Adding mapping 'Pan (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3568.713033] uvcvideo: Adding mapping 'Tilt (Absolute)' to control 00000000-0000-0000-0000-000000000001/13.
[ 3568.713046] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/15 to device 1.6 entity 1
[ 3568.713060] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/8 to device 1.6 entity 1
[ 3568.713069] uvcvideo: Adding mapping 'Focus, Auto' to control 00000000-0000-0000-0000-000000000001/8.
[ 3568.713081] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.6 entity 2
[ 3568.713088] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[ 3568.713099] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.6 entity 2
[ 3568.713107] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[ 3568.713117] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.6 entity 2
[ 3568.713125] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[ 3568.713136] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.6 entity 2
[ 3568.713144] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[ 3568.713154] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.6 entity 2
[ 3568.713163] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[ 3568.713173] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.6 entity 2
[ 3568.713181] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[ 3568.713192] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.6 entity 2
[ 3568.713201] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[ 3568.713211] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1.6 entity 2
[ 3568.713221] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[ 3568.713232] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.6 entity 2
[ 3568.713241] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[ 3568.713252] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.6 entity 2
[ 3568.713261] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[ 3568.713275] uvcvideo: Scanning UVC chain: OT 3 <- XU 6 <- XU 4 <- PU 2 <- IT 1
[ 3568.713301] uvcvideo: Found a valid video chain (1 -> 3).
[ 3568.727325] input: USB Camera as /devices/platform/ff540000.usb/usb1/1-1/1-1.6/1-1.6:1.0/input/input52
[ 3568.727726] uvcvideo: UVC device initialized.
[ 3568.727958] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.727984] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.727998] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.728010] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.728053] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.751742] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.751762] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.751773] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.751783] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.751826] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.752827] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.752853] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.752864] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.752874] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.752904] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.771200] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.771377] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.771394] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.771406] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.771448] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.794060] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.794079] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.794088] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.794096] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.794127] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.795978] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.795996] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.796006] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.796014] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.796046] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.849230] rockchip-pinctrl pinctrl: pin gpio6-8 already requested by 2-0010; cannot claim for 2-001c
[ 3568.849252] rockchip-pinctrl pinctrl: pin-192 (2-001c) status -22
[ 3568.849261] rockchip-pinctrl pinctrl: could not request pin 192 (gpio6-8) from group i2s0-mclk on device rockchip-pinctrl
[ 3568.849269] rt5640 2-001c: Error applying setting, reverse things back
[ 3568.849299] of_get_named_gpiod_flags: can't parse 'realtek,ldo1-en-gpios' property of node '/i2c@ff660000/rt5640@1c[0]'
[ 3568.924253] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924284] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924330] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924352] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924391] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924410] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924452] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924470] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924506] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924528] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924566] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924583] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924617] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924633] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924666] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924683] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924716] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924736] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924769] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924786] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924819] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924835] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924868] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924885] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924916] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924936] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.924969] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.924986] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925018] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925034] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925066] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925083] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925117] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925136] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925173] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925189] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925255] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925272] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925306] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925320] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925346] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925358] usb 1-1.6: usbfs: usb_submit_urb returned -28
[ 3568.925383] dwc2 ff540000.usb: DWC OTG HCD URB Enqueue failed adding QTD. Error status -28
[ 3568.925392] usb 1-1.6: usbfs: usb_submit_urb returned -28
