Here i am facing a new problem. I tried to compile and install the gspca_main and gspca_zc3xx modules separately. I compiled them successfully. but i am getting error when inserting that modules
root@sharief-desktop:/home/sharief/Desktop/video/gspca# insmod gspca_zc3xx.ko
insmod: error inserting 'gspca_zc3xx.ko': -1 Unknown symbol in module
root@sharief-desktop:/home/sharief/Desktop/video/gspca# insmod gspca_main.ko
insmod: error inserting 'gspca_main.ko': -1 Unknown symbol in module
I think this both modules what some other modules to get insert in to kernel...But i am sure about that modules. Can anyone help me?
On Sat, Sep 12, 2009 at 11:54 AM, Jean-Francois Moine <moinejf@xxxxxxx> wrote:
On Fri, 11 Sep 2009 17:37:19 +0530
Niamathullah sharief <newbiesha@xxxxxxxxx> wrote:
[snip]
> sharief@sharief-desktop:~$ modinfo -d gspca_zc3xxHi,
> >
> GSPCA ZC03xx/VC3xx USB Camera Driver
> >
> sharief@sharief-desktop:~$ modinfo -d gspca_main
> >
> GSPCA USB Camera Driver
> >
> sharief@sharief-desktop:~$ modinfo -d videodev
> >
> Device registrar for Video4Linux drivers v2
> >
> sharief@sharief-desktop:~$ modinfo -d v4l1_compat
> >
> v4l(1) compatibility layer for v4l2 drivers.
> >
> sharief@sharief-desktop:~$
> >
>
> So first two things are showing as camera driver. bur how it is
> possible. kindly help me
The driver of a USB device is easily found looking at
/lib/modules/`uname -r`/modules.usbmap
So, your driver is gspca_zc3xx. Then, this module uses the gspca
framework, i.e it calls functions of the module gspca_main. This last
one calls functions of the common video module videodev. Then again, if
v4l1 compatibility is enabled, videodev calls functions of v4l1_compat.
lsmod shows all that directly:
Regards.
Module Size Used by
gspca_zc3xx 55936 0
gspca_main 29312 1 gspca_zc3xx
videodev 41344 1 gspca_main
v4l1_compat 22404 1 videodev
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