root@am335x-evm:~# dmesg | grep "dma"
[    3.399535] edma 49000000.edma: TI EDMA DMA engine driver
root@am335x-evm:~# dmesg | grep "musb"
[   68.058440] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[   68.058509] musb-hdrc: MHDRC RTL version 2.0 
[   68.058529] musb-hdrc: setup fifo_mode 4
[   68.058561] musb-hdrc: 28/31 max ep, 16384/16384 memory
[   68.092632] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
[   68.162503] musb-hdrc musb-hdrc.0.auto: new USB bus registered, assigned bus number 1
[   68.599127] musb-hdrc musb-hdrc.0.auto: VBUS_ERROR in a_wait_vrise (81, <SessEnd), retry #1, port1 00000104
[   68.618629] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[   68.618696] musb-hdrc: MHDRC RTL version 2.0 
[   68.618715] musb-hdrc: setup fifo_mode 4
[   68.618748] musb-hdrc: 28/31 max ep, 16384/16384 memory
[   68.619126] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[   68.625008] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 2
[   68.751572] musb-hdrc musb-hdrc.0.auto: VBUS_ERROR in a_wait_vrise (81, <SessEnd), retry #2, port1 00000104
[   68.903985] musb-hdrc musb-hdrc.0.auto: VBUS_ERROR in a_wait_vrise (81, <SessEnd), retry #3, port1 00000104
[   69.415958] usb 1-1: new high-speed USB device number 2 using musb-hdrc
[   69.422906] usb 2-1: new high-speed USB device number 2 using musb-hdrc
[   74.017039] input: USB 2.0 Camera as /devices/platform/ocp/47400000.usb/47401400.usb/musb-hdrc.0.auto/usb1/1-1/1-1:1.0/input/input0
[   74.192895] input: USB 2.0 Camera as /devices/platform/ocp/47400000.usb/47401c00.usb/musb-hdrc.1.auto/usb2/2-1/2-1:1.0/input/input1
root@am335x-evm:~# dmesg | grep "uvc"
[   73.918554] uvcvideo: Probing generic UVC device 1
[   73.923027] uvcvideo: trying extra data from endpoint 0.
[   73.923115] uvcvideo: Found format MJPEG.
[   73.923141] uvcvideo: - 1600x1200 (15.0 fps)
[   73.923158] uvcvideo: - 3264x2448 (15.0 fps)
[   73.923174] uvcvideo: - 2592x1944 (15.0 fps)
[   73.923190] uvcvideo: - 2048x1536 (15.0 fps)
[   73.923206] uvcvideo: - 1280x960 (15.0 fps)
[   73.923222] uvcvideo: - 1024x768 (30.0 fps)
[   73.923239] uvcvideo: - 800x600 (30.0 fps)
[   73.923255] uvcvideo: - 640x480 (30.0 fps)
[   73.923272] uvcvideo: - 320x240 (30.0 fps)
[   73.923287] uvcvideo: - 1600x1200 (15.0 fps)
[   73.923308] uvcvideo: Found format YUV 4:2:2 (YUYV).
[   73.923325] uvcvideo: - 1600x1200 (10.0 fps)
[   73.923341] uvcvideo: - 3264x2448 (2.0 fps)
[   73.923358] uvcvideo: - 2592x1944 (3.0 fps)
[   73.923373] uvcvideo: - 2048x1536 (3.0 fps)
[   73.923389] uvcvideo: - 1280x960 (10.0 fps)
[   73.923405] uvcvideo: - 1024x768 (10.0 fps)
[   73.923421] uvcvideo: - 800x600 (30.0 fps)
[   73.923858] uvcvideo: - 640x480 (30.0 fps)
[   73.923889] uvcvideo: - 320x240 (30.0 fps)
[   73.923906] uvcvideo: - 1600x1200 (10.0 fps)
[   73.923992] uvcvideo: Found a Status endpoint (addr 83).
[   73.924014] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (05a3:8830)
[   73.977830] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1 entity 1
[   73.977912] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[   73.977950] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1 entity 1
[   73.977975] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[   73.978005] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1 entity 1
[   73.978030] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[   73.978058] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1 entity 2
[   73.978080] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[   73.978109] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1 entity 2
[   73.978130] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[   73.978158] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1 entity 2
[   73.978179] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[   73.978207] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1 entity 2
[   73.978229] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[   73.978257] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1 entity 2
[   73.978278] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[   73.978306] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1 entity 2
[   73.978328] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[   73.978356] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1 entity 2
[   73.978380] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[   73.978406] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1 entity 2
[   73.978428] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[   73.978457] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/4 to device 1 entity 2
[   73.978479] uvcvideo: Adding mapping 'Gain' to control 00000000-0000-0000-0000-000000000101/4.
[   73.978508] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1 entity 2
[   73.978532] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[   73.978562] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1 entity 2
[   73.978601] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[   73.978630] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 <- XU 3 <- PU 2 <- IT 1
[   73.978708] uvcvideo: Found a valid video chain (1 -> 5).
[   74.107465] uvcvideo: UVC device initialized.
[   74.108008] uvcvideo: Probing generic UVC device 1
[   74.108202] uvcvideo: trying extra data from endpoint 0.
[   74.108258] uvcvideo: Found format MJPEG.
[   74.108283] uvcvideo: - 1600x1200 (15.0 fps)
[   74.108299] uvcvideo: - 3264x2448 (15.0 fps)
[   74.108316] uvcvideo: - 2592x1944 (15.0 fps)
[   74.108332] uvcvideo: - 2048x1536 (15.0 fps)
[   74.108348] uvcvideo: - 1280x960 (15.0 fps)
[   74.108364] uvcvideo: - 1024x768 (30.0 fps)
[   74.108381] uvcvideo: - 800x600 (30.0 fps)
[   74.108397] uvcvideo: - 640x480 (30.0 fps)
[   74.108413] uvcvideo: - 320x240 (30.0 fps)
[   74.108429] uvcvideo: - 1600x1200 (15.0 fps)
[   74.108450] uvcvideo: Found format YUV 4:2:2 (YUYV).
[   74.108467] uvcvideo: - 1600x1200 (10.0 fps)
[   74.108482] uvcvideo: - 3264x2448 (2.0 fps)
[   74.108498] uvcvideo: - 2592x1944 (3.0 fps)
[   74.108514] uvcvideo: - 2048x1536 (3.0 fps)
[   74.108530] uvcvideo: - 1280x960 (10.0 fps)
[   74.108546] uvcvideo: - 1024x768 (10.0 fps)
[   74.108562] uvcvideo: - 800x600 (30.0 fps)
[   74.108577] uvcvideo: - 640x480 (30.0 fps)
[   74.108593] uvcvideo: - 320x240 (30.0 fps)
[   74.108609] uvcvideo: - 1600x1200 (10.0 fps)
[   74.108668] uvcvideo: Found a Status endpoint (addr 83).
[   74.108688] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (05a3:8830)
[   74.163121] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1 entity 1
[   74.163208] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2.
[   74.163248] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 to device 1 entity 1
[   74.163280] uvcvideo: Adding mapping 'Exposure, Auto Priority' to control 00000000-0000-0000-0000-000000000001/3.
[   74.163312] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 1 entity 1
[   74.163338] uvcvideo: Adding mapping 'Exposure (Absolute)' to control 00000000-0000-0000-0000-000000000001/4.
[   74.165444] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1 entity 2
[   74.178982] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2.
[   74.179074] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1 entity 2
[   74.179111] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3.
[   74.179140] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1 entity 2
[   74.179167] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6.
[   74.179196] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1 entity 2
[   74.179223] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7.
[   74.179251] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1 entity 2
[   74.179277] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8.
[   74.179306] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1 entity 2
[   74.179328] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9.
[   74.179357] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1 entity 2
[   74.179386] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10.
[   74.179413] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 1 entity 2
[   74.179440] uvcvideo: Adding mapping 'Backlight Compensation' to control 00000000-0000-0000-0000-000000000101/1.
[   74.179469] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/4 to device 1 entity 2
[   74.179491] uvcvideo: Adding mapping 'Gain' to control 00000000-0000-0000-0000-000000000101/4.
[   74.179519] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1 entity 2
[   74.179544] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5.
[   74.179574] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1 entity 2
[   74.179598] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11.
[   74.179631] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 <- XU 3 <- PU 2 <- IT 1
[   74.179710] uvcvideo: Found a valid video chain (1 -> 5).
[   74.287500] uvcvideo: UVC device initialized.
[   74.297710] usbcore: registered new interface driver uvcvideo
[   74.553704] uvcvideo: uvc_v4l2_open
[   74.554325] uvcvideo: uvc_v4l2_release
[   74.569221] uvcvideo: uvc_v4l2_open
[   74.569923] uvcvideo: uvc_v4l2_release
[   76.545938] uvcvideo: Suspending interface 1
[   76.546008] uvcvideo: Suspending interface 0
[   76.566126] uvcvideo: Suspending interface 1
[   76.566192] uvcvideo: Suspending interface 0
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
root@am335x-evm:~# cat /etc/os-release 
ID="arago"
NAME="Arago"
VERSION="2016.12"
VERSION_ID="2016.12"
PRETTY_NAME="Arago 2016.12"
root@am335x-evm:~# uname -a
Linux am335x-evm 4.4.41-gf9f6f0db2d #4 PREEMPT Wed Apr 10 01:05:30 IST 2019 armv7l GNU/Linux
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
root@am335x-evm:~# v4l2-ctl -d 3 --all
Driver Info (not using libv4l2):
        Driver name   : uvcvideo
        Card type     : USB 2.0 Camera
        Bus info      : usb-musb-hdrc.0.auto-1
        Driver version: 4.4.41
        Capabilities  : 0x84200001
                Video Capture
                Streaming
                Extended Pix Format
                Device Capabilities
        Device Caps   : 0x04200001
                Video Capture
                Streaming
                Extended Pix Format
Priority: 2
Video input : 0 (Camera 1: ok)
Format Video Capture:
        Width/Height      : 1600/1200
        Pixel Format      : 'MJPG'
        Field             : None
        Bytes per Line    : 0
        Size Image        : 3840589
        Colorspace        : Default
        Transfer Function : Default
        YCbCr Encoding    : Default
        Quantization      : Default
        Flags             : 
Crop Capability Video Capture:
        Bounds      : Left 0, Top 0, Width 1600, Height 1200
        Default     : Left 0, Top 0, Width 1600, Height 1200
        Pixel Aspect: 1/1
Selection: crop_default, Left 0, Top 0, Width 1600, Height 1200
Selection: crop_bounds, Left 0, Top 0, Width 1600, Height 1200
Streaming Parameters Video Capture:
        Capabilities     : timeperframe
        Frames per second: 25.000 (25/1)
        Read buffers     : 0
                     brightness (int)    : min=-64 max=64 step=1 default=0 value=0
                       contrast (int)    : min=0 max=64 step=1 default=32 value=32
                     saturation (int)    : min=0 max=128 step=1 default=105 value=105
                            hue (int)    : min=-40 max=40 step=1 default=0 value=0
 white_balance_temperature_auto (bool)   : default=1 value=1
                          gamma (int)    : min=72 max=500 step=1 default=100 value=100
                           gain (int)    : min=0 max=100 step=1 default=0 value=0
           power_line_frequency (menu)   : min=0 max=2 default=1 value=1
      white_balance_temperature (int)    : min=2800 max=6500 step=1 default=4600 value=4600 flags=inactive
                      sharpness (int)    : min=0 max=6 step=1 default=3 value=3
         backlight_compensation (int)    : min=0 max=2 step=1 default=1 value=1
                  exposure_auto (menu)   : min=0 max=3 default=3 value=3
              exposure_absolute (int)    : min=1 max=5000 step=1 default=93 value=93 flags=inactive
         exposure_auto_priority (bool)   : default=0 value=1
root@am335x-evm:~# v4l2-ctl -d 3 --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
        Index       : 0
        Type        : Video Capture
        Pixel Format: 'MJPG' (compressed)
        Name        : Motion-JPEG
                Size: Discrete 1600x1200
                        Interval: Discrete 0.067s (15.000 fps)
                Size: Discrete 3264x2448
                        Interval: Discrete 0.067s (15.000 fps)
                Size: Discrete 2592x1944
                        Interval: Discrete 0.067s (15.000 fps)
                Size: Discrete 2048x1536
                        Interval: Discrete 0.067s (15.000 fps)
                Size: Discrete 1280x960
                        Interval: Discrete 0.067s (15.000 fps)
                Size: Discrete 1024x768
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 800x600
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 640x480
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 320x240
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 1600x1200
                        Interval: Discrete 0.067s (15.000 fps)

        Index       : 1
        Type        : Video Capture
        Pixel Format: 'YUYV'
        Name        : YUYV 4:2:2
                Size: Discrete 1600x1200
                        Interval: Discrete 0.100s (10.000 fps)
                Size: Discrete 3264x2448
                        Interval: Discrete 0.500s (2.000 fps)
                Size: Discrete 2592x1944
                        Interval: Discrete 0.333s (3.000 fps)
                Size: Discrete 2048x1536
                        Interval: Discrete 0.333s (3.000 fps)
                Size: Discrete 1280x960
                        Interval: Discrete 0.100s (10.000 fps)
                Size: Discrete 1024x768
                        Interval: Discrete 0.100s (10.000 fps)
                Size: Discrete 800x600
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 640x480
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 320x240
                        Interval: Discrete 0.033s (30.000 fps)
                Size: Discrete 1600x1200
                        Interval: Discrete 0.100s (10.000 fps)


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
lsusb -d 05a3:8830 -v
Bus 002 Device 002: ID 05a3:8830 ARC International 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.01
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x05a3 ARC International
  idProduct          0x8830 
  bcdDevice            1.00
  iManufacturer           2 Sonix Technology Co., Ltd.
  iProduct                1 USB 2.0 Camera
  iSerial                 3 SN0179
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          897
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              256mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass         14 Video
      bFunctionSubClass       3 Video Interface Collection
      bFunctionProtocol       0 
      iFunction               5 HD USB Camera
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      1 Video Control
      bInterfaceProtocol      0 
      iInterface              5 HD USB Camera
      VideoControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdUVC               1.00
        wTotalLength          108
        dwClockFrequency       15.000000MHz
        bInCollection           1
        baInterfaceNr( 0)       1
      VideoControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             5
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               4
        iTerminal               0 
      VideoControl Interface Descriptor:
        bLength                28
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 3
        guidExtensionCode         {7033f028-1163-2e4a-ba2c-6890eb334016}
        bNumControl            24
        bNrPins                 1
        baSourceID( 0)          2
        bControlSize            3
        bmControls( 0)       0xff
        bmControls( 1)       0xff
        bmControls( 2)       0xff
        iExtension              0 
      VideoControl Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 4
        guidExtensionCode         {b42153bd-35d6-45ca-b203-4e0149b301bc}
        bNumControl            32
        bNrPins                 1
        baSourceID( 0)          3
        bControlSize            4
        bmControls( 0)       0x03
        bmControls( 1)       0x80
        bmControls( 2)       0x3f
        bmControls( 3)       0x9f
        iExtension              0 
      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           0x0000000e
          Auto-Exposure Mode
          Auto-Exposure Priority
          Exposure Time (Absolute)
      VideoControl Interface Descriptor:
        bLength                11
        bDescriptorType        36
        bDescriptorSubtype      5 (PROCESSING_UNIT)
      Warning: Descriptor too short
        bUnitID                 2
        bSourceID               1
        wMaxMultiplier          0
        bControlSize            2
        bmControls     0x0000177f
          Brightness
          Contrast
          Hue
          Saturation
          Sharpness
          Gamma
          White Balance Temperature
          Backlight Compensation
          Gain
          Power Line Frequency
          White Balance Temperature, Auto
        iProcessing             0 
        bmVideoStandards     0x21
          None
          PAL - 525/60
      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           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
        INTERFACE CLASS:  0f 24 01 02 df 02 82 00 05 02 01 01 01 00 00
        INTERFACE CLASS:  0b 24 06 01 0a 00 01 00 00 00 00
        INTERFACE CLASS:  1e 24 07 01 00 40 06 b0 04 00 40 77 1b 00 40 77 1b 4d 9a 3a 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 02 00 c0 0c 90 09 00 40 4d 72 00 40 4d 72 4d da f3 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 03 00 20 0a 98 07 00 d0 14 48 00 d0 14 48 4d c8 99 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 04 00 00 08 00 06 00 00 00 2d 00 00 00 2d 4d 02 60 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 05 00 00 05 c0 03 00 00 94 11 00 00 94 11 4d 82 25 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 06 00 00 04 00 03 00 00 80 16 00 00 80 16 4d 02 18 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 07 00 20 03 58 02 00 a0 bb 0d 00 a0 bb 0d 4d a8 0e 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 08 00 80 02 e0 01 00 00 ca 08 00 00 ca 08 4d 62 09 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 09 00 40 01 f0 00 00 80 32 02 00 80 32 02 4d 5a 02 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 0a 00 40 06 b0 04 00 40 77 1b 00 40 77 1b 4d 9a 3a 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  26 24 03 00 08 c0 0c 90 09 20 0a 98 07 00 08 00 06 40 06 b0 04 00 05 c0 03 00 04 00 03 20 03 58 02 80 02 e0 01 00
        INTERFACE CLASS:  1b 24 04 02 0a 59 55 59 32 00 00 10 00 80 00 00 aa 00 38 9b 71 10 01 00 00 00 00
        INTERFACE CLASS:  1e 24 05 01 00 40 06 b0 04 00 80 4f 12 00 80 4f 12 00 98 3a 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  1e 24 05 02 00 c0 0c 90 09 00 80 3d 0f 00 80 3d 0f 00 d8 f3 00 40 4b 4c 00 01 40 4b 4c 00
        INTERFACE CLASS:  1e 24 05 03 00 20 0a 98 07 00 90 6a 0e 00 90 6a 0e 00 c6 99 00 d5 dc 32 00 01 d5 dc 32 00
        INTERFACE CLASS:  1e 24 05 04 00 00 08 00 06 00 00 00 09 00 00 00 09 00 00 60 00 d5 dc 32 00 01 d5 dc 32 00
        INTERFACE CLASS:  1e 24 05 05 00 00 05 c0 03 00 00 b8 0b 00 00 b8 0b 00 80 25 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  1e 24 05 06 00 00 04 00 03 00 00 80 07 00 00 80 07 00 00 18 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  1e 24 05 07 00 20 03 58 02 00 a0 bb 0d 00 a0 bb 0d 00 a6 0e 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 08 00 80 02 e0 01 00 00 ca 08 00 00 ca 08 00 60 09 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 09 00 40 01 f0 00 00 80 32 02 00 80 32 02 00 58 02 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 0a 00 40 06 b0 04 00 80 4f 12 00 80 4f 12 00 98 3a 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  26 24 03 00 08 c0 0c 90 09 20 0a 98 07 00 08 00 06 40 06 b0 04 00 05 c0 03 00 04 00 03 20 03 58 02 80 02 e0 01 00
        INTERFACE CLASS:  06 24 0d 01 01 04
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           12
  bNumDeviceCaps          1
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      HIRD Link Power Management (LPM) Supported
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0002
  (Bus Powered)
  Remote Wakeup Enabled

Bus 001 Device 002: ID 05a3:8830 ARC International 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.01
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x05a3 ARC International
  idProduct          0x8830 
  bcdDevice            1.00
  iManufacturer           2 Sonix Technology Co., Ltd.
  iProduct                1 USB 2.0 Camera
  iSerial                 3 SN0179
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          897
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              256mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass         14 Video
      bFunctionSubClass       3 Video Interface Collection
      bFunctionProtocol       0 
      iFunction               5 HD USB Camera
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      1 Video Control
      bInterfaceProtocol      0 
      iInterface              5 HD USB Camera
      VideoControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdUVC               1.00
        wTotalLength          108
        dwClockFrequency       15.000000MHz
        bInCollection           1
        baInterfaceNr( 0)       1
      VideoControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             5
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               4
        iTerminal               0 
      VideoControl Interface Descriptor:
        bLength                28
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 3
        guidExtensionCode         {7033f028-1163-2e4a-ba2c-6890eb334016}
        bNumControl            24
        bNrPins                 1
        baSourceID( 0)          2
        bControlSize            3
        bmControls( 0)       0xff
        bmControls( 1)       0xff
        bmControls( 2)       0xff
        iExtension              0 
      VideoControl Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 4
        guidExtensionCode         {b42153bd-35d6-45ca-b203-4e0149b301bc}
        bNumControl            32
        bNrPins                 1
        baSourceID( 0)          3
        bControlSize            4
        bmControls( 0)       0x03
        bmControls( 1)       0x80
        bmControls( 2)       0x3f
        bmControls( 3)       0x9f
        iExtension              0 
      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           0x0000000e
          Auto-Exposure Mode
          Auto-Exposure Priority
          Exposure Time (Absolute)
      VideoControl Interface Descriptor:
        bLength                11
        bDescriptorType        36
        bDescriptorSubtype      5 (PROCESSING_UNIT)
      Warning: Descriptor too short
        bUnitID                 2
        bSourceID               1
        wMaxMultiplier          0
        bControlSize            2
        bmControls     0x0000177f
          Brightness
          Contrast
          Hue
          Saturation
          Sharpness
          Gamma
          White Balance Temperature
          Backlight Compensation
          Gain
          Power Line Frequency
          White Balance Temperature, Auto
        iProcessing             0 
        bmVideoStandards     0x21
          None
          PAL - 525/60
      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           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
        INTERFACE CLASS:  0f 24 01 02 df 02 82 00 05 02 01 01 01 00 00
        INTERFACE CLASS:  0b 24 06 01 0a 00 01 00 00 00 00
        INTERFACE CLASS:  1e 24 07 01 00 40 06 b0 04 00 40 77 1b 00 40 77 1b 4d 9a 3a 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 02 00 c0 0c 90 09 00 40 4d 72 00 40 4d 72 4d da f3 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 03 00 20 0a 98 07 00 d0 14 48 00 d0 14 48 4d c8 99 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 04 00 00 08 00 06 00 00 00 2d 00 00 00 2d 4d 02 60 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 05 00 00 05 c0 03 00 00 94 11 00 00 94 11 4d 82 25 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  1e 24 07 06 00 00 04 00 03 00 00 80 16 00 00 80 16 4d 02 18 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 07 00 20 03 58 02 00 a0 bb 0d 00 a0 bb 0d 4d a8 0e 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 08 00 80 02 e0 01 00 00 ca 08 00 00 ca 08 4d 62 09 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 09 00 40 01 f0 00 00 80 32 02 00 80 32 02 4d 5a 02 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 07 0a 00 40 06 b0 04 00 40 77 1b 00 40 77 1b 4d 9a 3a 00 2a 2c 0a 00 01 2a 2c 0a 00
        INTERFACE CLASS:  26 24 03 00 08 c0 0c 90 09 20 0a 98 07 00 08 00 06 40 06 b0 04 00 05 c0 03 00 04 00 03 20 03 58 02 80 02 e0 01 00
        INTERFACE CLASS:  1b 24 04 02 0a 59 55 59 32 00 00 10 00 80 00 00 aa 00 38 9b 71 10 01 00 00 00 00
        INTERFACE CLASS:  1e 24 05 01 00 40 06 b0 04 00 80 4f 12 00 80 4f 12 00 98 3a 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  1e 24 05 02 00 c0 0c 90 09 00 80 3d 0f 00 80 3d 0f 00 d8 f3 00 40 4b 4c 00 01 40 4b 4c 00
        INTERFACE CLASS:  1e 24 05 03 00 20 0a 98 07 00 90 6a 0e 00 90 6a 0e 00 c6 99 00 d5 dc 32 00 01 d5 dc 32 00
        INTERFACE CLASS:  1e 24 05 04 00 00 08 00 06 00 00 00 09 00 00 00 09 00 00 60 00 d5 dc 32 00 01 d5 dc 32 00
        INTERFACE CLASS:  1e 24 05 05 00 00 05 c0 03 00 00 b8 0b 00 00 b8 0b 00 80 25 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  1e 24 05 06 00 00 04 00 03 00 00 80 07 00 00 80 07 00 00 18 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  1e 24 05 07 00 20 03 58 02 00 a0 bb 0d 00 a0 bb 0d 00 a6 0e 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 08 00 80 02 e0 01 00 00 ca 08 00 00 ca 08 00 60 09 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 09 00 40 01 f0 00 00 80 32 02 00 80 32 02 00 58 02 00 15 16 05 00 01 15 16 05 00
        INTERFACE CLASS:  1e 24 05 0a 00 40 06 b0 04 00 80 4f 12 00 80 4f 12 00 98 3a 00 40 42 0f 00 01 40 42 0f 00
        INTERFACE CLASS:  26 24 03 00 08 c0 0c 90 09 20 0a 98 07 00 08 00 06 40 06 b0 04 00 05 c0 03 00 04 00 03 20 03 58 02 80 02 e0 01 00
        INTERFACE CLASS:  06 24 0d 01 01 04
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           12
  bNumDeviceCaps          1
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      HIRD Link Power Management (LPM) Supported
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0002
  (Bus Powered)
  Remote Wakeup Enabled