[cpia] Ezonics EZDual Cam

[Scott Bronson]

No, it's not important.  But, if you want a video group,
you can just

   groupadd video

If problems persist even with your video0 device node
set up correctly, then yes, there are larger issues.
Have you checked your logs?

	- Scott



Chris Wesneski wrote:
> 
> Is the video group important? I get chgrp: invalid group name video. I
> tried it with group root and I get the same thing, no such device.
> Thanks for the help though, I think I have larger problems :(
> 
> Scott Bronson wrote:
> >
> > Let's just be sure you've got a decent device node.
> > As root:
> >
> > rm /dev/video /dev/video0
> > mknod /dev/video0 c 81 0
> > chmod 666 /dev/video0
> > chgrp video /dev/video0
> > ln -s /dev/video0 /dev/video
> >
> > It should look like this:
> >
> > crw-rw-rw-    1 root     video     81,   0 Nov  1  2000 /dev/video0
> >
> > Now try it.
> >
> >         - Scott
> >
> > Chris Wesneski wrote:
> > >
> > > Ok so I did some more checking and I might be out of luck. I checked for
> > > the the VID/PID and got 0x6f0/0xde01 which is registered to TNC
> > > Industrial. I found their web page and they actually have windows
> > > drivers for other similar part numbers, but not this one. I did however
> > > try my QCam Express (with the qc drivers of course) and got the same
> > > problem with /dev/video. I know this isn't the correct place for this
> > > question but, if anyone can help can you mail me at wesneski@swbell.net?
> > >
> > > Chris Wesneski wrote:
> > > >
> > > > Does anyone know if the Ezonics EZDual Cam is CPiA based? I'm trying to
> > > > get it to work with RH 7.1 (2.4.2-2 kernel) with the cpia-1.2 drivers
> > > > with no luck. I've compiled the kernel with Video for linux and so forth
> > > > (following a post from linuxnewbie.org about cpia based cams) and got
> > > > the drivers to compile but when I insmod cpia.o I get:
> > > >
> > > > kernel: V4L-Driver for Vision CPiA based cameras v1.2.0
> > > > modprobe: modprobe: Can't locate module cpia_usb
> > > >
> > > > then I do insmod cpia_usb.o:
> > > >
> > > > kernel: usb.c: registered new driver cpia
> > > >
> > > > I run ./gqcam and get:
> > > > /dev/video: No such device
> > > >
> > > > and from the kernel:
> > > >
> > > > modprobe: modprobe: Can't locate module char-major-81-0
> > > >
> > > > I had a /dev/video already but it was a directory and when I ran gqcam
> > > > it said /dev/video: Is a directory. Duh. So I moved that and created a
> > > > hard link to /dev/video0 (why, I don't know, I was way over my head at
> > > > this point). It seems like I'm just missing something small but I don't
> > > > know what. Should there be some info about V4L loading somewhere? I'm
> > > > lost. Help!
> > > >
> > > > Thanks in advance,
> > > >
> > > > Chris
> 
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