Re: [Nw802-main] Black screen

[Sylvain M. <tn...@24...>]

Camille HUOT wrote:

>Hi
>
>I got a "Mustek Wcam 300 mini", the device informations in
>/proc/bus/usb/devices are:
>
>C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
>I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
>E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=255ms
>T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  7 Spd=12  MxCh= 0
>D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
>P:  Vendor=055f ProdID=d001 Rev= 1.00
>
>So the Vendor and ProdID are the same as the Mustek Wcam300.
>
>The driver is well recognizing the webcam at the webcam plug:
>
>hub.c: USB new device connect on bus1/1, assigned device number 7
>nw802.c: Compatible DivIO NW80x based webcam found ! [Mustek WCam 300 /
>PCLine PCL-W300]
>
>and the /dev/video0 is well created in my devfs.
>  
>
This cam should be OK ... several people reported it to work.
Is this  the last release of the CVS version ? You may try CVS .

>And in the dmesg (for the driver debug):
>
>Mar 22 16:57:27 poseidon kernel: usbvideo.c: Packet Statistics:
>Total=64. Empty=64. Usage=0%% Mar 22 16:57:27 poseidon kernel:
>usbvideo.c: Transfer Statistics: Transferred=0 B Usage=0%% Mar 22
>16:57:27 poseidon kernel: usbvideo.c: Packet Statistics: Total=64.
>Empty=64. Usage=0%% Mar 22 16:57:27 poseidon kernel: usbvideo.c:
>Transfer Statistics: Transferred=0 B Usage=0%% Mar 22 16:57:27 poseidon
>kernel: usbvideo.c: Packet Statistics: Total=64. Empty=64. Usage=0%% Mar
>22 16:57:27 poseidon kernel: usbvideo.c: Transfer Statistics:
>Transferred=0 B Usage=0%%
>
>Et voila.
>
>The mustek wcam 300 should work (as it is reported to do), do you have
>any clue, advice, experience report concerning this problem ?
>  
>
Try loading the module with option debug=5 it may give a clue ....


Sylvain Munaut