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microscope camera eb1a:2750 eMPIA

I want to use a microscope camera with Opensuse linux.

Actually i get a green screen on mplayer and black with tiny white stripes 
on other applications. I can see that the camera response to light chnges 

The device is identified by lsusb as 
ID eb1a:2750 eMPIA Technology, Inc. ECS Elitegroup G220 integrated webcam

the em28xx kernelmodule driver are loaded and reports dmesg :

usb 5-2: new high speed USB device using ehci_hcd and address 2
usb 5-2: configuration #1 chosen from 1 choice
usb 5-2: New USB device found, idVendor=eb1a, idProduct=2750
usb 5-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Linux video capture interface: v2.00
em28xx v4l2 driver version 0.0.1 loaded
em28xx: new video device (eb1a:2750): interface 0, class 255
em28xx: device is attached to a USB 2.0 bus
em28xx #0: Alternate settings: 8
em28xx #0: Alternate setting 0, max size= 0
em28xx #0: Alternate setting 1, max size= 0
em28xx #0: Alternate setting 2, max size= 1448
em28xx #0: Alternate setting 3, max size= 2048
em28xx #0: Alternate setting 4, max size= 2304
em28xx #0: Alternate setting 5, max size= 2580
em28xx #0: Alternate setting 6, max size= 2892
em28xx #0: Alternate setting 7, max size= 3072
em28xx #0: V4L2 device registered as /dev/video0
em28xx #0: Found Huaqi DLCW-130
usbcore: registered new interface driver em28xx

I tried to use modprobe options card=42 , but this doesn't have any effect.
i did this in /etc/modprobe.conf.local and /etc/modprobe.conf

Also added a file to /etc/modprobe.d with the options content

I am using: 

regards wally

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