Re: gspca drivers

[Sid Boyce <sboyce@blueyonder.co.uk>]

James Klaas wrote:
> Sorry, forgot to send to video4linux list as well.
> 
> ---------- Forwarded message ----------
> From: James Klaas <jklaas@appalachian.dyndns.org>
> Date: Feb 10, 2008 11:01 AM
> Subject: Re: gspca drivers
> To: Brandon Philips <brandon@ifup.org>
> 
> 
> On 2/7/08, Brandon Philips <brandon@ifup.org> wrote:
>> On 21:08 Fri 01 Feb 2008, James Klaas wrote:
>>> On 1/31/08, Brandon Philips <brandon@ifup.org> wrote:
>>>> On 18:33 Thu 31 Jan 2008, James Klaas wrote:
>>>>> I was hoping to get my webcam working with the latest v4l-dvb sources.
>>>>>  After reading about on this list and elsewhere, I ran:
>>>>>
>>>>> # make kernel-links
>>>>>
>>>>> from my v4l-dvb directory in order to modify my current linux sources
>>>>> to use the v4l-dvb drivers.  Then I went to my gspca directory and ran
>>>>> the "gspca_build" script:
>>>>>
>>>>> ./gspca_build
>>>>>
>>>>>  REMOVE the old module if present
>>>>> Unknown symbol in module, or unknown parameter (see dmesg)
>>>>>
>>>>>  PRINT COMPILATION MESSAGES if ERRORS look kgspca.err
>>>>> make -C /lib/modules/`uname -r`/build SUBDIRS=/usr/src/modules/gspca
>>>>> CC=cc modules
>>>>> make[1]: Entering directory `/usr/src/linux-source-2.6.22'
>>>>>   CC [M]  /usr/src/modules/gspca/gspca_core.o
>>>>> /usr/src/modules/gspca/gspca_core.c:2542: error: unknown field
>>>>> 'hardware' specified in initializer
>>>> Are you using the latest gspca driver?  The hardware field was removed
>>>> months ago.
>>> [ 1026.765596] gspca: disagrees about version of symbol video_devdata
>> ...
>>> [ 1977.737339] gspca: Unknown symbol video_device_release
>> Did you "make install" the v4l tree you built against and make sure none
>> of the old video modules were loaded (see lsmod) when you modprobe'd
>> gspca?
>>
>> Thanks,
>>
>>         Brandon
>>
> 
> I checked the installed versions of videodev and gspca and both are
> the same versions as the versions in the build directories, so they
> installed fine.  I also checked the depends for videodev, v4l2-common
> and v4l1-compat, and those were also the correct versions.
> 
> I double checked to make sure there weren't any modules left over in
> other directories in /lib/modules/`uname -r` and didn't find any.
> 
> Since the machine in question also has a PCI video4linux device in it,
> the drivers for that card already load the videodev modules.
> 
> James
> 
> --
> video4linux-list mailing list
> Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/video4linux-list
> 
> 

Something isn't quite right, the latest driver 20071224 is OK on the 
latest 2.6.24-git kernels and the precious one 20071214 also built going 
way back. These are the lines in 20071224.
tindog:/usr/src/gspcav1-20071224 # grep -rn hardware  *
changelog:46:   hardware.:)
Etoms/et61xx51.h:3:# This driver is design for embedded Linux hardware 
but should work happy
gspca_core.c:1345: 
spca50x->mode = spca50x->mode_cam[j].mode;      // overwrite by the 
hardware mode
gspca_core.c:1348:                                      }       // end 
match hardware mode
gspca_core.c:1361:/* nothing todo hardware found stream */
gspca_core.c:1837:* a process, not as read from camera hardware.
gspca_core.c:2135:/* exclude hardware channel reserved */
gspca_core.c:2613:      .hardware = VID_HARDWARE_GSPCA,
gspca.h:412:/* What we think the hardware is currently set to */
READ_AND_INSTALL:264:adjust video0 to your hardware
Sunplus/spca505.dat:513:    {0x04, 0x41, 0x01},         //hardware 
snapcontrol
Sunplus/spca561-OSX.h:204:    {0, 0x0001, 0x8200},      // OprMode to be 
executed by hardware
Sunplus/spca561-OSX.h:207:    {0, 0x0001, 0x8200},      // OprMode to be 
executed by hardware
Sunplus/spca561.h:204:    {0, 0x0001, 0x8200},  // OprMode to be 
executed by hardware
Sunplus/spca561.h:207:    {0, 0x0001, 0x8200},  // OprMode to be 
executed by hardware

tindog:/usr/src/gspcav1-20071224 # grep -rn video_device_release *
gspca_core.c:2616:      .release = video_device_release,
gspca_core.c:4325:                      video_device_release(spca50x->vdev);
Binary file gspca_core.o matches
Binary file gspca.ko matches
gspca.mod.c:27: { 0x7ff0c04f, "video_device_release" },
Binary file gspca.mod.o matches
Binary file gspca.o matches
utils/spcaCompat.h:27:static inline void video_device_release(struct 
video_device *vdev)

Check if this tallies with what you have.
Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support 
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

--
video4linux-list mailing list
Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe
https://www.redhat.com/mailman/listinfo/video4linux-list