On 22.04.2006 20:50, Thomas Lais wrote:

> Maybe some one can help my. I have compile the spca5xx-20060402 module for 
> WebCams. 

I can't find such a module in the standard kernel tree. Where is
it from? Where can its source be consulted? Which kernel releases
does it support?

> Linux version 2.6.5-7.201-default ([EMAIL PROTECTED]) (gcc version 3.3.3 
> (SuSE Linux)) #2 Thu Nov 17 10:35:51 CET 2005

Looks like SuSE 9.1 which is pretty old already. That makes it all
the more important to check that this module of yours is able to
run with the kernel version you have.

> :> make
>    Building SPCA5XX driver for 2.5/2.6 kernel.
>    Remember: you must have read/write access to your kernel source tree.
> make -C /lib/modules/`uname -r`/build 
> SUBDIRS=/home/daten/Datenarchiv/Multimedia-LINUX/WebCam/spca5xx/tmp/spca5xx-20060402
>  CC=cc modules
> make[1]: Entering directory `/usr/src/linux-2.6.5-7.201'
>   CC [M]  
> /home/daten/Datenarchiv/Multimedia-LINUX/WebCam/spca5xx/tmp/spca5xx-20060402/drivers/usb/spca5xx.o
> /home/daten/Datenarchiv/Multimedia-LINUX/WebCam/spca5xx/tmp/spca5xx-20060402/drivers/usb/spca5xx.c:150:
>  warning: `bright' defined but not used
> /home/daten/Datenarchiv/Multimedia-LINUX/WebCam/spca5xx/tmp/spca5xx-20060402/drivers/usb/spca5xx.c:151:
>  warning: `contrast' defined but not used

You should investigate these warnings, especially in light of
your later problems.

[...]
> so I have no problem.

See above.

> But if I wand to laod the modul than
> 
> :> modprobe spca5xx
> FATAL: Error inserting spca5xx 
> (/lib/modules/2.6.5-7.201-default/kernel/drivers/usb/media/spca5xx.ko): 
> Invalid argument

So your module isn't even loaded.

> :>dmesg
> spca5xx: falsely claims to have parameter contrast

I cannot find that message anywhere in the kernel sources. It seems
that your module produces it, and you'll have to look in that
module's documentation or source to find out what it means.

> :> echo "1" > /sys/module/spca50x/gamma
> bash: /sys/module/spca50x/gamma: Datei oder Verzeichnis nicht gefunden
> 
> there is no direktory module/spca50x/ in /sys  ?
> so I can not set parameter

Of course not, if the module has not been loaded.

But looking at an old SuSE 9.1 machine I happen to have access
to, it seems that the entire /sys/module directory didn't exist
there yet, anyway.

So your best bet might be to update to a more current Linux version
and try again. If it still doesn't work, look in the source of that
module to find out what goes wrong.

Hope that helps
Tilman

-- 
Tilman Schmidt                          E-Mail: [EMAIL PROTECTED]
Bonn, Germany
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