[email protected] wrote:
Hello,

I have a setup where a Logitech Quickcam E 3500 (046d:09a4) works fine
when a Philips SPC530NC (0471:2034) doesn't. Though both are mark as
supported on http://www.ideasonboard.org/uvc/

I'm running: Linux OpenWrt 2.6.30.10 #24 Tue Apr 6 14:59:59 CEST 2010
mips GNU/Linux

Here is what I get with the philips:

Apr  6 01:26:45 OpenWrt user.info kernel: usb 1-1: new high speed USB
device using ehci_hcd and address 2
Apr  6 01:26:45 OpenWrt user.info kernel: usb 1-1: configuration #1
chosen from 1 choice
Apr  6 01:26:45 OpenWrt user.info kernel: uvcvideo: Found UVC 1.00
device USB Video Camera (0471:2034)
Apr  6 01:26:45 OpenWrt user.info kernel: input: USB Video Camera as
/devices/pci0000:00/0000:00:00.1/usb1/1-1/1-1:1.0/input/input0
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]: starting
application
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]: MJPG Streamer
Version.: 2.0
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]: Using V4L2
device.: /dev/video0
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]: Desired
Resolution: 640 x 480
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]: Frames Per
Second.: 5
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]:
Format............: MJPEG
Apr  6 01:26:49 OpenWrt user.info MJPG-streamer [1131]: init_VideoIn
failed
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]: starting
application
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]: MJPG Streamer
Version.: 2.0
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]: Using V4L2
device.: /dev/video0
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]: Desired
Resolution: 640 x 480
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]: Frames Per
Second.: 5
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]:
Format............: MJPEG
Apr  6 01:26:53 OpenWrt user.info MJPG-streamer [1142]: init_VideoIn
failed
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]: starting
application
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]: MJPG Streamer
Version.: 2.0
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]: Using V4L2
device.: /dev/video0
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]: Desired
Resolution: 640 x 480
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]: Frames Per
Second.: 5
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]:
Format............: MJPEG
Apr  6 01:26:56 OpenWrt user.info MJPG-streamer [1152]: init_VideoIn
failed

Any pointer to solve the issue would help.

Many thanks,
hka

Just want to confirm that /dev/video0 is inserted and paste the following additional information:

IRQ 3/wifi0: IRQF_DISABLED is not guaranteed on shared IRQs
i2c /dev entries driver
Linux video capture interface: v2.00
usbcore: registered new interface driver uvcvideo
USB Video Class driver (v0.1.0)
usb 1-1: new high speed USB device using ehci_hcd and address 2
usb 1-1: configuration #1 chosen from 1 choice
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected
usb 1-1.1: new high speed USB device using ehci_hcd and address 3
usb 1-1.1: configuration #1 chosen from 1 choice
uvcvideo: Found UVC 1.00 device USB Video Camera (0471:2034)
input: USB Video Camera as /devices/pci0000:00/0000:00:00.1/usb1/1-1/1-1.1/1-1.1:1.0/input/input0

# lsusb -v -d 0471:2034

Bus 001 Device 003: ID 0471:2034 Philips (or NXP) Webcam SPC530NC
Device Descriptor:
 bLength                18
 bDescriptorType         1
 bcdUSB               2.00
 bDeviceClass          239 Miscellaneous Device
 bDeviceSubClass         2 ?
 bDeviceProtocol         1 Interface Association
 bMaxPacketSize0        64
 idVendor           0x0471 Philips (or NXP)
 idProduct          0x2034 Webcam SPC530NC
 bcdDevice            0.00
 iManufacturer           0
 iProduct                1 USB Video Camera
 iSerial                 0
 bNumConfigurations      1
 Configuration Descriptor:
   bLength                 9
   bDescriptorType         2
   wTotalLength        42497
   bNumInterfaces          4
   bConfigurationValue     1
   iConfiguration          0
   bmAttributes         0x80
     (Bus Powered)
   MaxPower               98mA
   Interface Association:
     bLength                 8
     bDescriptorType        11
     bFirstInterface         0
     bInterfaceCount         2
     bFunctionClass         14 Video
     bFunctionSubClass       3 Video Interface Collection
     bFunctionProtocol       0
     iFunction               1 USB Video Camera
   Interface Descriptor:
     bLength                 9
     bDescriptorType         4
     bInterfaceNumber        0
     bAlternateSetting       0
     bNumEndpoints           1
     bInterfaceClass        14 Video
     bInterfaceSubClass      1 Video Control
     bInterfaceProtocol      0
     iInterface              1 USB Video Camera
     VideoControl Interface Descriptor:
       bLength                13
       bDescriptorType        36
       bDescriptorSubtype      1 (HEADER)
       bcdUVC               1.00
       wTotalLength           77
       dwClockFrequency       48.000000MHz
       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           0x00000000
     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            32
       bmVideoStandards     0x1a
         NTSC - 525/60
         SECAM - 625/50
         NTSC - 625/50
     VideoControl Interface Descriptor:
       bLength                26
       bDescriptorType        36
       bDescriptorSubtype      6 (EXTENSION_UNIT)
       bUnitID                 6
       guidExtensionCode         {d2090058-6fe7-2446-8512-76cdd8dda14e}
       bNumControl             2
       bNrPins                 1
       baSourceID( 0)          3
       bControlSize            1
       bmControls( 0)       0x03
       iExtension              0
     VideoControl Interface Descriptor:
       bLength                 9
       bDescriptorType        36
       bDescriptorSubtype      3 (OUTPUT_TERMINAL)
       bTerminalID             2
       wTerminalType      0x0101 USB Streaming
       bAssocTerminal          0
       bSourceID               6
       iTerminal               0
     Endpoint Descriptor:
       bLength                 7
       bDescriptorType         5
       bEndpointAddress     0x82  EP 2 IN
       bmAttributes            3
         Transfer Type            Interrupt
         Synch Type               None
         Usage Type               Data
       wMaxPacketSize     0x0800  2x 0 bytes
       bInterval              16
   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                            14
       bDescriptorType                    36
       bDescriptorSubtype                  1 (INPUT_HEADER)
       bNumFormats                         1
       wTotalLength                      157
       bEndPointAddress                  131
       bmInfo                              0
       bTerminalLink                       2
       bStillCaptureMethod                 1
       bTriggerSupport                     1
       bTriggerUsage                       0
       bControlSize                        1
       bmaControls( 0)                    27
     VideoStreaming Interface Descriptor:
       bLength                            27
       bDescriptorType                    36
       bDescriptorSubtype                  4 (FORMAT_UNCOMPRESSED)
       bFormatIndex                        1
       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: 1 fields
         Field 1 first: No
         Field pattern: Field 1 only
         bCopyProtect                      0
     VideoStreaming Interface Descriptor:
       bLength                            54
       bDescriptorType                    36
       bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
       bFrameIndex                         1
       bmCapabilities                   0x01
         Still image supported
       wWidth                            640
       wHeight                           480
       dwMinBitRate                1179648000
       dwMaxBitRate                147456000
       dwMaxVideoFrameBufferSize      614400
       dwDefaultFrameInterval         333333
       bFrameIntervalType                  7
       dwFrameInterval( 0)            333333
       dwFrameInterval( 1)            400000
       dwFrameInterval( 2)            499998
       dwFrameInterval( 3)            666666
       dwFrameInterval( 4)            999996
       dwFrameInterval( 5)           1333332
       dwFrameInterval( 6)           1999992
     VideoStreaming Interface Descriptor:
       bLength                            62
       bDescriptorType                    36
       bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
       bFrameIndex                         2
       bmCapabilities                   0x01
         Still image supported
       wWidth                            320
       wHeight                           240
       dwMinBitRate                1179648000
       dwMaxBitRate                147456000
       dwMaxVideoFrameBufferSize      153600
       dwDefaultFrameInterval         166666
       bFrameIntervalType                  9
       dwFrameInterval( 0)            166666
       dwFrameInterval( 1)            200000
       dwFrameInterval( 2)            333333
       dwFrameInterval( 3)            400000
       dwFrameInterval( 4)            499998
       dwFrameInterval( 5)            666666
       dwFrameInterval( 6)            999996
       dwFrameInterval( 7)           1333332
       dwFrameInterval( 8)           1999992
   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     0x83  EP 3 IN
       bmAttributes            5
         Transfer Type            Isochronous
         Synch Type               Asynchronous
         Usage Type               Data
       wMaxPacketSize     0x0014  1x 20 bytes
       bInterval               1
   Interface Association:
     bLength                 8
     bDescriptorType        11
     bFirstInterface         2
     bInterfaceCount         2
     bFunctionClass          1 Audio
     bFunctionSubClass       2 Streaming
     bFunctionProtocol       0
     iFunction               1 USB Video Camera
   Interface Descriptor:
     bLength                 9
     bDescriptorType         4
     bInterfaceNumber        2
     bAlternateSetting       0
     bNumEndpoints           0
     bInterfaceClass         1 Audio
     bInterfaceSubClass      1 Control Device
     bInterfaceProtocol      0
     iInterface              1 USB Video Camera
     AudioControl Interface Descriptor:
       bLength                 9
       bDescriptorType        36
       bDescriptorSubtype      1 (HEADER)
       bcdADC               1.00
       wTotalLength           38
       bInCollection           1
       baInterfaceNr( 0)       3
     AudioControl Interface Descriptor:
       bLength                12
       bDescriptorType        36
       bDescriptorSubtype      2 (INPUT_TERMINAL)
       bTerminalID             3
       wTerminalType      0x0201 Microphone
       bAssocTerminal          0
       bNrChannels             1
       wChannelConfig     0x0000
       iChannelNames           0
       iTerminal               0
     AudioControl Interface Descriptor:
       bLength                 8
       bDescriptorType        36
       bDescriptorSubtype      6 (FEATURE_UNIT)
       bUnitID                 5
       bSourceID               3
       bControlSize            1
       bmaControls( 0)      0x43
         Mute
         Volume
         Automatic Gain
       iFeature                0
     AudioControl Interface Descriptor:
       bLength                 9
       bDescriptorType        36
       bDescriptorSubtype      3 (OUTPUT_TERMINAL)
       bTerminalID             4
       wTerminalType      0x0101 USB Streaming
       bAssocTerminal          0
       bSourceID               5
       iTerminal               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           4
       bDelay                  1 frames
       wFormatTag              1 PCM
     AudioStreaming Interface Descriptor:
       bLength                29
       bDescriptorType        36
       bDescriptorSubtype      2 (FORMAT_TYPE)
       bFormatType             1 (FORMAT_TYPE_I)
       bNrChannels             1
       bSubframeSize           2
       bBitResolution         16
       bSamFreqType            7 Discrete
       tSamFreq[ 0]         8000
       tSamFreq[ 1]        11025
       tSamFreq[ 2]        16000
       tSamFreq[ 3]        22050
       tSamFreq[ 4]        32000
       tSamFreq[ 5]        44100
       tSamFreq[ 6]        48000
     Endpoint Descriptor:
       bLength                 9
       bDescriptorType         5
       bEndpointAddress     0x81  EP 1 IN
       bmAttributes            1
         Transfer Type            Isochronous
         Synch Type               None
         Usage Type               Data
       wMaxPacketSize     0x0001  1x 1 bytes
       bInterval               4
       bRefresh                0
       bSynchAddress           0
       AudioControl Endpoint Descriptor:
         bLength                 7
         bDescriptorType        37
         bDescriptorSubtype      1 (EP_GENERAL)
         bmAttributes         0x00
         bLockDelayUnits         0 Undefined
         wLockDelay              0 Undefined
Device Qualifier (for other device speed):
 bLength                10
 bDescriptorType         6
 bcdUSB               2.00
 bDeviceClass          239 Miscellaneous Device
 bDeviceSubClass         2 ?
 bDeviceProtocol         1 Interface Association
 bMaxPacketSize0        64
 bNumConfigurations      1
Device Status:     0x0000
 (Bus Powered)
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