Hello,

I have a "Longsun L580" Dual-SIM/Dual-StandBy  cellphone  which  support
the Webcam mode und identify it self with:

    0e8d:0004   MediaTek MT6227 phone   MediaTek Inc

Even if all kernel modules are loaded, I can not get the stream  because
the error message:

    "The video device does not support the required video format"

----[ command 'luvcview -L' ]-------------------------------------------
luvcview 0.2.4

SDL information:
  Video driver: x11
  A window manager is available
Device information:
  Device path:  /dev/video0
/dev/video0 does not support read i/o
{ pixelformat = 'MJPG', description = 'MJPEG' }
{ discrete: width = 160, height = 120 }
        Time interval between frame: {min { 1/20 } .. max { 1/20 } / stepsize { 
1/10000000 } },
{ discrete: width = 320, height = 240 }
        Time interval between frame: {min { 1/20 } .. max { 1/20 } / stepsize { 
1/10000000 } },
------------------------------------------------------------------------

and /dev/video0 is created, if I connect the Webcom.  Also  I  am  using
the standard Debian Kernel and I am currently not able to compile my own
Kernel.

Linux michelle1 2.6.26-1-686 #1 SMP Sat Jan 10 18:29:31 UTC 2009 i686 GNU/Linux

Any suggestions?

----[ command 'lsusb -v -d 0e8d:0004' ]---------------------------------

Bus 001 Device 020: 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      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          231
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    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     0x00001540
          White Balance Temperature
          Backlight Compensation
          Power Line Frequency
          White Balance Temperature, Auto
        iProcessing             4
        bmVideoStandards     0x44
          PAL - 625/50
      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               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 7f 00 81 00 02 02 00 00 01 00
        INTERFACE CLASS:  0b 24 06 01 02 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 00 
c0 00 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 
03 02
        INTERFACE CLASS:  06 24 0d 00 00 00
cannot read device status, Operation not permitted (1)
------------------------------------------------------------------------


Thanks, Greetings and nice Day/Evening
    Michelle Konzack
    Systemadministrator
    Tamay Dogan Network
    Debian GNU/Linux Consultant

-- 
Linux-User #280138 with the Linux Counter, http://counter.li.org/
##################### Debian GNU/Linux Consultant #####################
<http://www.tamay-dogan.net/>                 Michelle Konzack
<http://www.can4linux.org/>                   Apt. 917
<http://www.flexray4linux.org/>               50, rue de Soultz
Jabber [email protected]           67100 Strasbourg/France
IRC #Debian (irc.icq.com)                     Tel. DE: +49 177 9351947
ICQ #328449886                                Tel. FR: +33  6  61925193

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