USB Video Class及其实现

[ 4938.016951] uvc_cleanup [ 4938.016953] usbcore: deregistering interface driver uvcvideo [ 4947.426836] uvc_init [ 4947.426837] uvc_ctrl_init [ 4947.426838] uvc_ctrl_add_info [ 4947.426839] uvc_ctrl_add_info [ 4947.426840] uvc_ctrl_add_info [ 4947.426841] uvc_ctrl_add_info [ 4947.426842] uvc_ctrl_add_info [ 4947.426843] uvc_ctrl_add_info [ 4947.426844] uvc_ctrl_add_info [ 4947.426845] uvc_ctrl_add_info [ 4947.426846] uvc_ctrl_add_info [ 4947.426848] uvc_ctrl_add_info [ 4947.426849] uvc_ctrl_add_info [ 4947.426850] uvc_ctrl_add_info [ 4947.426851] uvc_ctrl_add_info [ 4947.426852] uvc_ctrl_add_info [ 4947.426854] uvc_ctrl_add_info [ 4947.426855] uvc_ctrl_add_info [ 4947.426856] uvc_ctrl_add_info [ 4947.426858] uvc_ctrl_add_info [ 4947.426859] uvc_ctrl_add_info [ 4947.426861] uvc_ctrl_add_info [ 4947.426862] uvc_ctrl_add_info [ 4947.426864] uvc_ctrl_add_info [ 4947.426866] uvc_ctrl_add_info [ 4947.426867] uvc_ctrl_add_info [ 4947.426869] uvc_ctrl_add_info [ 4947.426871] uvc_ctrl_add_info [ 4947.426873] uvc_ctrl_add_info [ 4947.426875] uvc_ctrl_add_info [ 4947.426877] uvc_ctrl_add_info [ 4947.426879] uvc_ctrl_add_info [ 4947.426881] uvc_ctrl_add_info [ 4947.426883] uvc_ctrl_add_info [ 4947.426884] uvc_ctrl_add_info [ 4947.426887] uvc_ctrl_add_info [ 4947.426889] uvc_ctrl_add_info [ 4947.426891] uvc_ctrl_add_mapping [ 4947.426892] uvc_ctrl_add_mapping [ 4947.426893] uvc_ctrl_add_mapping [ 4947.426894] uvc_ctrl_add_mapping [ 4947.426895] uvc_ctrl_add_mapping [ 4947.426896] uvc_ctrl_add_mapping [ 4947.426897] uvc_ctrl_add_mapping [ 4947.426898] uvc_ctrl_add_mapping [ 4947.426900] uvc_ctrl_add_mapping [ 4947.426901] uvc_ctrl_add_mapping [ 4947.426902] uvc_ctrl_add_mapping [ 4947.426904] uvc_ctrl_add_mapping [ 4947.426906] uvc_ctrl_add_mapping [ 4947.426907] uvc_ctrl_add_mapping [ 4947.426909] uvc_ctrl_add_mapping [ 4947.426910] uvc_ctrl_add_mapping [ 4947.426911] uvc_ctrl_add_mapping [ 4947.426912] uvc_ctrl_add_mapping [ 4947.426914] uvc_ctrl_add_mapping [ 4947.426915] uvc_ctrl_add_mapping [ 4947.426941] usbcore: registered new interface driver uvcvideo [ 4947.426944] USB Video Class driver (v0.1.0) [ 4954.840019] usb 2-2: new high speed USB device using ehci_hcd and address 6 [ 4955.080637] usb 2-2: configuration #1 chosen from 1 choice [ 4955.080731] uvc_probe [ 4955.080734] uvc_parse_control [ 4955.080736] uvc_parse_vendor_control [ 4955.080738] uvc_parse_standard_control [ 4955.080740] uvc_parse_streaming [ 4955.080749] uvc_parse_format [ 4955.080750] uvc_colorspace [ 4955.080751] uvc_parse_format [ 4955.080752] uvc_format_by_guid [ 4955.080753] uvc_colorspace [ 4955.080754] uvc_find_endpoint [ 4955.080755] uvc_find_endpoint [ 4955.080756] uvc_find_endpoint [ 4955.080756] uvc_find_endpoint [ 4955.080757] uvc_find_endpoint [ 4955.080758] uvc_find_endpoint [ 4955.080759] uvc_find_endpoint [ 4955.080760] uvc_find_endpoint [ 4955.080761] uvc_find_endpoint [ 4955.080761] uvc_find_endpoint [ 4955.080762] uvc_find_endpoint [ 4955.080763] uvc_find_endpoint [ 4955.080764] uvc_parse_vendor_control [ 4955.080765] uvc_parse_standard_control [ 4955.080766] uvc_parse_vendor_control [ 4955.080767] uvc_parse_standard_control [ 4955.080768] uvc_parse_vendor_control [ 4955.080769] uvc_parse_standard_control [ 4955.080770] uvc_parse_vendor_control [ 4955.080771] uvc_parse_standard_control [ 4955.080772] uvc_parse_vendor_control [ 4955.080773] uvc_parse_standard_control [ 4955.080774] uvc_parse_vendor_control [ 4955.080775] uvc_parse_standard_control [ 4955.080776] uvc_parse_vendor_control [ 4955.080777] uvc_parse_vendor_control [ 4955.080779] uvc_parse_vendor_control [ 4955.080780] uvcvideo: Found UVC 1.00 device <unnamed> (046d:09a4) [ 4955.080782] uvc_ctrl_init_device [ 4955.080782] uvc_get_bit [ 4955.080783] uvc_get_bit [ 4955.080784] uvc_get_bit [ 4955.080785] uvc_get_bit [ 4955.080785] uvc_get_bit [ 4955.080786] uvc_get_bit [ 4955.080787] uvc_get_bit [ 4955.080788] uvc_get_bit [ 4955.080788] uvc_get_bit [ 4955.080789] uvc_get_bit [ 4955.080790] uvc_get_bit [ 4955.080790] uvc_get_bit [ 4955.080791] uvc_get_bit [ 4955.080792] uvc_get_bit [ 4955.080793] uvc_get_bit [ 4955.080793] uvc_get_bit [ 4955.080794] uvc_get_bit [ 4955.080795] uvc_get_bit [ 4955.080796] uvc_get_bit [ 4955.080796] uvc_get_bit [ 4955.080797] uvc_get_bit [ 4955.080798] uvc_get_bit [ 4955.080799] uvc_get_bit [ 4955.080799] uvc_get_bit [ 4955.080801] uvc_get_bit [ 4955.080802] uvc_get_bit [ 4955.080802] uvc_get_bit [ 4955.080803] uvc_get_bit [ 4955.080804] uvc_get_bit [ 4955.080805] uvc_get_bit [ 4955.080805] uvc_get_bit [ 4955.080806] uvc_get_bit [ 4955.080807] uvc_get_bit [ 4955.080808] uvc_get_bit [ 4955.080808] uvc_get_bit [ 4955.080809] uvc_get_bit [ 4955.080810] uvc_get_bit [ 4955.080811] uvc_get_bit [ 4955.080812] uvc_get_bit [ 4955.080812] uvc_get_bit [ 4955.080813] uvc_get_bit [ 4955.080814] uvc_get_bit [ 4955.080815] uvc_get_bit [ 4955.080815] uvc_get_bit [ 4955.080816] uvc_get_bit [ 4955.080817] uvc_get_bit [ 4955.080817] uvc_get_bit [ 4955.080818] uvc_get_bit [ 4955.080819] uvc_get_bit [ 4955.080820] uvc_get_bit [ 4955.080821] uvc_get_bit [ 4955.080821] uvc_get_bit [ 4955.080822] uvc_get_bit [ 4955.080823] uvc_get_bit [ 4955.080824] uvc_get_bit [ 4955.080824] uvc_get_bit [ 4955.080825] uvc_get_bit [ 4955.080826] uvc_get_bit [ 4955.080826] uvc_get_bit [ 4955.080827] uvc_get_bit [ 4955.080828] uvc_get_bit [ 4955.080829] uvc_get_bit [ 4955.080829] uvc_get_bit [ 4955.080830] uvc_get_bit [ 4955.080831] uvc_get_bit [ 4955.080832] uvc_get_bit [ 4955.080833] uvc_get_bit [ 4955.080833] uvc_get_bit [ 4955.080834] uvc_get_bit [ 4955.080835] uvc_get_bit [ 4955.080836] uvc_get_bit [ 4955.080836] uvc_get_bit [ 4955.080837] uvc_get_bit [ 4955.080838] uvc_get_bit [ 4955.080839] uvc_get_bit [ 4955.080840] uvc_get_bit [ 4955.080840] uvc_get_bit [ 4955.080841] uvc_get_bit [ 4955.080842] uvc_get_bit [ 4955.080843] uvc_get_bit [ 4955.080843] uvc_get_bit [ 4955.080844] uvc_get_bit [ 4955.080845] uvc_get_bit [ 4955.080846] uvc_get_bit [ 4955.080846] uvc_get_bit [ 4955.080847] uvc_get_bit [ 4955.080848] uvc_get_bit [ 4955.080848] uvc_get_bit [ 4955.080849] uvc_get_bit [ 4955.080850] uvc_get_bit [ 4955.080851] uvc_get_bit [ 4955.080851] uvc_get_bit [ 4955.080852] uvc_get_bit [ 4955.080853] uvc_get_bit [ 4955.080854] uvc_get_bit [ 4955.080854] uvc_get_bit [ 4955.080855] uvc_get_bit [ 4955.080856] uvc_get_bit [ 4955.080857] uvc_get_bit [ 4955.080857] uvc_get_bit [ 4955.080858] uvc_get_bit [ 4955.080859] uvc_get_bit [ 4955.080860] uvc_get_bit [ 4955.080860] uvc_get_bit [ 4955.080861] uvc_get_bit [ 4955.080862] uvc_get_bit [ 4955.080863] uvc_get_bit [ 4955.080864] uvc_get_bit [ 4955.080864] uvc_get_bit [ 4955.080865] uvc_get_bit [ 4955.080866] uvc_get_bit [ 4955.080867] uvc_get_bit [ 4955.080867] uvc_get_bit [ 4955.080868] uvc_get_bit [ 4955.080869] uvc_get_bit [ 4955.080870] uvc_get_bit [ 4955.080870] uvc_get_bit [ 4955.080871] uvc_get_bit [ 4955.080872] uvc_get_bit [ 4955.080873] uvc_get_bit [ 4955.080873] uvc_get_bit [ 4955.080874] uvc_get_bit [ 4955.080875] uvc_get_bit [ 4955.080876] uvc_get_bit [ 4955.080876] uvc_get_bit [ 4955.080877] uvc_get_bit [ 4955.080878] uvc_get_bit [ 4955.080879] uvc_get_bit [ 4955.080879] uvc_get_bit [ 4955.080880] uvc_get_bit [ 4955.080881] uvc_get_bit [ 4955.080882] uvc_get_bit [ 4955.080882] uvc_get_bit [ 4955.080883] uvc_get_bit [ 4955.080884] uvc_get_bit [ 4955.080885] uvc_get_bit [ 4955.080885] uvc_get_bit [ 4955.080886] uvc_get_bit [ 4955.080887] uvc_get_bit [ 4955.080887] uvc_get_bit [ 4955.080888] uvc_get_bit [ 4955.080889] uvc_get_bit [ 4955.080890] uvc_get_bit [ 4955.080890] uvc_get_bit [ 4955.080891] uvc_get_bit [ 4955.080892] uvc_get_bit [ 4955.080893] uvc_get_bit [ 4955.080894] uvc_get_bit [ 4955.080894] uvc_get_bit [ 4955.080895] uvc_get_bit [ 4955.080896] uvc_get_bit [ 4955.080897] uvc_get_bit [ 4955.080897] uvc_get_bit [ 4955.080898] uvc_get_bit [ 4955.080899] uvc_get_bit [ 4955.080899] uvc_get_bit [ 4955.080900] uvc_get_bit [ 4955.080901] uvc_get_bit [ 4955.080902] uv