Hi all.
MediaTek MT6227 on Philips 9...@9u do not work. It looks like this:
$ dmesg | tail
[94425.741948] uvcvideo: Failed to query (135) UVC control 1 (unit 0) :
-110 (exp. 26).
[94425.743941] uvcvideo: Failed to query (129) UVC control 1 (unit 0) :
-71 (exp. 26).
[94425.743946] uvcvideo: Failed to initialize the device (-5).
[94429.128037] usb 7-2: USB disconnect, address 8
[94436.384010] usb 7-2: new full speed USB device using uhci_hcd and
address 9
[94436.849070] usb 7-2: configuration #1 chosen from 7 choices
[94436.859998] uvcvideo: Found UVC 1.00 device 9...@9u (0e8d:0004)
[94437.861939] uvcvideo: Failed to query (135) UVC control 1 (unit 0) :
-110 (exp. 26).
[94437.863947] uvcvideo: Failed to query (129) UVC control 1 (unit 0) :
-71 (exp. 26).
[94437.863952] uvcvideo: Failed to initialize the device (-5).
$ lsusb
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 009: ID 0e8d:0004 MediaTek Inc.
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 003: ID 046d:c03e Logitech, Inc. Premium Optical Wheel Mouse
Bus 006 Device 002: ID 0430:0005 Sun Microsystems, Inc. Type 6 Keyboard
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
$ lsusb -d 0e8d:0004 -v
Bus 007 Device 009: ID 0e8d:0004 MediaTek Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 8
idVendor 0x0e8d MediaTek Inc.
idProduct 0x0004
bcdDevice 1.00
iManufacturer 6
iProduct 7
iSerial 8
bNumConfigurations 7
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 450mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 2
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 300mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 3
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 224mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 4
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 150mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 5
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 90mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 6
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 50mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 269
bNumInterfaces 2
bConfigurationValue 7
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 0mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 1
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 50
dwClockFrequency 0.001000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Camera Sensor
bAssocTerminal 0
iTerminal 2
wObjectiveFocalLengthMin 0
wObjectiveFocalLengthMax 0
wOcularFocalLength 0
bControlSize 2
bmControls 0x00000000
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 3
VideoControl Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 3
bSourceID 1
wMaxMultiplier 0
bControlSize 2
bmControls 0x0000157b
Brightness
Contrast
Saturation
Sharpness
Gamma
White Balance Temperature
Backlight Compensation
Power Line Frequency
White Balance Temperature, Auto
iProcessing 4
bmVideoStandards 0x 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
INTERFACE CLASS: 0e 24 01 01 a5 00 81 00 02 02 00 00 01 00
INTERFACE CLASS: 0b 24 06 01 03 01 01 00 00 00 00
INTERFACE CLASS: 26 24 07 01 00 a0 00 78 00 7c 94 00 00 fe eb
0d 00 00 c0 00 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 02 00 40 01 f0 00 80 94 00 00 00 ec
0d 00 f7 60 01 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 26 24 07 03 00 80 02 e0 01 80 94 00 00 00 ec
0d 00 12 f3 02 00 20 a1 07 00 00 20 a1 07 00 20 a1 07 00 00 00 00 00
INTERFACE CLASS: 14 24 03 00 03 a0 00 78 00 40 01 f0 00 80 02
e0 01 02 00 01
INTERFACE CLASS: 06 24 0d 00 00 00
cannot read device status, Operation not permitted (1)
It looks I'm not the only one having this problem:
http://ubuntuforums.org/showthread.php?t=1164520
Is there any remedy for this?
Regards,
Felix.
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