install gspca on CentOS 5.5 Linux

I am trying to install the driver for my Longitech QuickCam Chat cammera, on to
CentOS 5.5. And I got the version  gspacv1-20071244. I seem to be able to build it but no luck when I tried to insert the module.  The following is the screen shot:


[root@cslinux gspcav1-20071224]# ls
changelog  Etoms         gspca.h      gspca.o       Mars-Semi       READ_AND_INSTALL  Transvision
Conexant   gspca_build   gspca.ko     license       Module.markers  Sonix             utils
cutlog.py  gspca_core.c  gspca.mod.c  Makefile      Module.symvers  Sunplus           Vimicro
decoder    gspca_core.o  gspca.mod.o  Makefile.kld  Pixart          Sunplus-jpeg
[root@cslinux gspcav1-20071224]# insmod gspca.mod.o
insmod: error inserting 'gspca.mod.o': -1 Unknown symbol in module
[root@cslinux gspcav1-20071224]# insmod gspca.ko
insmod: error inserting 'gspca.ko': -1 Unknown symbol in module
[root@cslinux gspcav1-20071224]#

What caused the  "Unknow symbol in module" error?  Is it kernal version or version of the driver or something else?   Experts please help.

Thanks
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zzhang2006ProfessorAsked:
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Duncan RoeConnect With a Mentor Software DeveloperCommented:
gspca may depend on some other module which is not loaded yet. Rather than insmod, it is much better to use modprobe. modprobe will resolve such dependency issues if it can.
1. move gspca.ko into /lib/modules/$(uname -r)/kernel/drivers (actual directory is not so important as long as it's somewhere in the module tree)
2. run depmod -a
3. run modprobe gspca

Post back if this doesn't work
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zzhang2006ProfessorAuthor Commented:
thanks
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