driver for Quickcam E2500

Hello,

just tried to have a Quickcam E2500 working under linux. Following another thread in this forum, I downloaded and modified the gspca driver, making the following modifications:
1) added an identifier 'LogitechQuickCamE2500' (in the enum)
2) in the struct cam_list clist[], added
{LogitechQuickCamE2500,"Logitech QuickCam E2500"},
3) in the struct usb_device_id device_table[], added
{USB_DEVICE(0x046d, 0x089d)}, /* Logitech QuickCam E2500 */
4) in the function spcaDetectCamera, added a case :
case 0x089d:
spca50x->desc = LogitechQuickCamE2500;
spca50x->bridge = BRIDGE_SPCA500;
spca50x->sensor = SENSOR_INTERNAL;

Note that lsusb gives me:
Bus 002 Device 005: ID 046d:089d Logitech, Inc.

and the 089d id seems quite uncommon (google does not know about it,
even the above-mentioned thread on the E2500 mentions another id ;
my QuickCam E2500 has been bought in Switzerland, FWIW).

The module is loaded by the kernel, dmesg is typically:
...
[ 2323.369783] usb 2-2: new full speed USB device using uhci_hcd and address 5
[ 1161.798602] usb 2-2: configuration #1 chosen from 1 choice
[ 1162.085870] usbcore: registered new interface driver gspca
[ 1162.086838] /tmp/gspcav1-20071224/gspca_core.c: gspca driver 01.00.20 registered

but that's all. I'm a complete newbie when it comes to webcams, but from what I've read, shouldn't I also have entries in dmesg about /dev/video* devices created or something ?

I tried to manually make /dev/video* using MAKEDEV, but the result is quite unimpressive.

Does someone know more about this E2500 ?

Thanks,

laulau

Hello, i have the same Camera and also tried to modify the driver. What i get is:

Hi everyone!

First please excuse my english as I live in switzerland...

I bought this e2500 webcam and I have the same problem, the device is not registered in the gspca list...

So I added it in the gspca driver source file like laulau explained (thanx!) then I recompiled and installed the driver.

The /dev/video0 device appears but the cam isn't working because (I think), the sensor and bridge aren't correctly specified.

So if someone knows what bridge and sensor are in this webcam, please post the names here

Can someone from logitech answer ?

thanks, I'll post news if I can make the cam work myself...

-simon

YEAH !

WORKING! The picture is still a little crappy but it's almost OK!

I did what laulau said, exept in step '4' .
Instead of adding what he said in the driver's source code, I searched for a compatible sensor and bridge. here's what i added in the logitech section of the big switc/case of the spcaDetectCamera function :

switch (product) {
case 0x089d:
spca50x->desc = LogitechQuickCamE2500;
spca50x->bridge = BRIDGE_ZC3XX;
spca50x->sensor = SENSOR_MC501CB;
break;
default:
goto error;
};
break;

The only difference with laulau's way is the bridge and sensor.

gqcam manages to display the image, but it's slow and the quality is not as good as in windows (the shame lol). maybe with a different sensor / bridge combination...
Skype manages to find the device but the video test windows doesn't output anything...

Thanks a lot laulau, let me know if it's working with you and if you find a better bridge/sensor combination!

-simon

This post was last modified: 2008-07-21 15:01 by simon.

I also got it to work today, but didn't see your post. I attached a patch in the other thread.

LWN reports that gspca will be included in 2.6.27 !
(http://lwn.net/Articles/291054/)

Cheers,

laulau

But will it include support for this webcam ?

And for the actual kernel, did the webcam works with skype ? Because it doesn't here...

cheers


-simon

Hi,

did anyone already find a better or THE bridge/sensor combination?

nilsja

This post was last modified: 2008-07-25 08:14 by nilsja.

Nope... BRIDGE_ZC3XX and SENSOR_MC501CB is the only one I found working... but I'm a little tired to compile the same module over and over again.

Can't we get support from the logitech dudes ? Can't they tell us the combination to use so the next release of gspca driver can support this cam properly ?

cheers

-simon

The bridge and sensor descriptions in gspca don't match the hardware 1:1, so it's a little difficult to say exactly what is the right combination (otherwise we would do so :-).

Anyway, BRIDGE_ZC3XX and SENSOR_MC501CB should work and if this one works at least partly then it would be a matter of tuning it to make it work properly. Michel Xhaard should have the specs of the hardware in question, so given his time and effort he should be able to make it work.

Ok mrubli, keep us up to date on this please :-)
It's too bad we can't use this product with skype in linux yet.

Thank you for spending time helping customers that doesn't use Windows, it's very appreciated ! :-)

++

This post was last modified: 2008-08-04 07:58 by simon.

The driver is now working with skype without me doing anything to it...

I advise to play with the autoexpo and gamma module parameters to get better image quality.

example :
modprobe gspca autoexpo=0 gamma=2

still, it would be nice to get official values for those parameters and the bridge /sensor combination...

-simon

This post was last modified: 2008-08-20 07:05 by simon.

can someone help me with this webcam?I'm new at linux and I can't do what it writes in this topic below
can you explain me what to do for the modifications in the first message?

This post was last modified: 2008-11-16 12:12 by kennysever.

Hello ,

I use a 2.4 kernel on an embedded machine. I patched the "spca5xx-v4l1goodbye" version to support the "Logitech Quickcam E2500" and the "Logitech QuickCam for Notebooks"

1) Download "spca5xx-v4l1goodbye" version from: http://mxhaard.free.fr/spca50x/Download/...bye.tar.gz
2) Apply this patch :
  spca5xx-v4l1goodbye+QCE2500.patch.gz (Size: 10.27 KB / Downloads: 868)

Thank you very much Michel for your great job....
Philippe Corbes