Hi,
when inspecting "lsusb -v" output I came across this UNRECOGNIZED message. Anything to worry about?
Bus 001 Device 003: ID 05ca:1820 Ricoh Co., Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x05ca Ricoh Co., Ltd
idProduct 0x1820
bcdDevice c.27
iManufacturer 1 CN01MWM9724871A4KB28A00
iProduct 2 Laptop_Integrated_Webcam_FHD
[cut]
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 13
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 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x1400 3x 1024 bytes
bInterval 1
** UNRECOGNIZED: 24 ff 42 49 53 54 00 01 05 02 10 00 00 00 00 00 01 06 b8 0b 02 07 b8 0b 03 08 b8 0b 04 09 4e 20 05 0a b8 0b
It is about the uvcvideo driver I think. The camera works, at least in skype
so probably I should not bother you asking this question at all. ;-)
usb 1-1.5: new high-speed USB device number 3 using ehci_hcd
usb 1-1.5: skipped 1 descriptor after configuration
usb 1-1.5: skipped 6 descriptors after interface
usb 1-1.5: skipped 1 descriptor after endpoint
usb 1-1.5: skipped 19 descriptors after interface
usb 1-1.5: skipped 1 descriptor after endpoint
usb 1-1.5: default language 0x0409
usb 1-1.5: udev 3, busnum 1, minor = 2
usb 1-1.5: New USB device found, idVendor=05ca, idProduct=1820
usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.5: Product: Laptop_Integrated_Webcam_FHD
usb 1-1.5: Manufacturer: CN01MWM9724871A4KB28A00
usb 1-1.5: usb_probe_device
usb 1-1.5: configuration #1 chosen from 1 choice
usb 1-1.5: adding 1-1.5:1.0 (config #1, interface 0)
uvcvideo 1-1.5:1.0: usb_probe_interface
uvcvideo 1-1.5:1.0: usb_probe_interface - got id
uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_FHD (05ca:1820)
input: Laptop_Integrated_Webcam_FHD as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/input/input8
usb 1-1.5: adding 1-1.5:1.1 (config #1, interface 1)
Thanks,
Martin
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