Re: gspca, what do I am wrong?

[Thomas Kaiser <linux-dvb@kaiser-linux.li>]

Thierry Merle wrote:
> Hi Thomas,
> 
> Thomas Kaiser a écrit :
>> Hey
>>
>> I think this mail came not through, so I send it again. Sorry, when it
>> comes twice.
>>
>> I just pasted the interesting things into this email (With some comments
>> inline). Hope somebody can help:
>>
>> thomas@LAPI01:~$ lsb_release -a
>> No LSB modules are available.
>> Distributor ID:    Ubuntu
>> Description:    Ubuntu 8.04.1
>> Release:    8.04
>> Codename:    hardy
>>
>> thomas@LAPI01:~$ uname -a
>> Linux LAPI01 2.6.24-21-generic #1 SMP Mon Aug 25 17:32:09 UTC 2008 i686
>> GNU/Linux
>>
>> thomas@LAPI01:~/Projects/webcams$ hg clone http://linuxtv.org/hg/v4l-dvb
>> to get the newest v4l source.
>>
>> make menuconfig in ~/Projects/webcams/v4l-dvb and remove all stuff
>> except the gspca and V4l2.
>> After this, I did not find a .config file in the
>> ~/Projects/webcams/v4l-dvb folder. Where is the .config stored?
> ~/Projects/webcams/v4l-dvb/v4l/.config

OK, I found it, thanks.

> 
>> Several dvb and/or analog capture driver where made. Why?, I disabled!
>>
> Look at the .config, perhaps you forgot to disable some additional modules

When I did "make menuconfig" I only choose the v4l2 and gspca modules. 
But looking in .config in ...../v4l/ there are still some more modules 
enabled. I can manually remove them from the .config file, but that 
should not be the way to go, or I am mistaken?

>> thomas@LAPI01:~/Projects/webcams/v4l-dvb$ make
>> ¨make -C /home/thomas/Projects/webcams/v4l-dvb/v4l
>> make[1]: Entering directory `/home/thomas/Projects/webcams/v4l-dvb/v4l'
>> creating symbolic links...
>> Kernel build directory is /lib/modules/2.6.24-21-generic/build
>> make -C /lib/modules/2.6.24-21-generic/build
>> SUBDIRS=/home/thomas/Projects/webcams/v4l-dvb/v4l  modules
> [SNIP]
>> After plugging the cam in the kernel log:
>>
>> Oct 23 20:52:54 LAPI01 kernel: [ 2015.905111] usb 1-1: new full speed
>> USB device using uhci_hcd and address 5
>> Oct 23 20:52:54 LAPI01 kernel: [ 2016.075400] usb 1-1: configuration #1
>> chosen from 1 choice
>> Oct 23 20:52:54 LAPI01 kernel: [ 2016.078879] usb 1-1: ZC0301[P] Image
>> Processor and Control Chip detected (vid/pid 0x041E:0x401C)
>> Oct 23 20:52:55 LAPI01 kernel: [ 2016.164172] usb 1-1: No supported
>> image sensor detected
>> Oct 23 20:52:55 LAPI01 kernel: [ 2016.194043] gspca_main: disagrees
>> about version of symbol video_ioctl2
> Please try make rmmod before plugging-in your device and check that no
> v4l-dvb module is loaded.
> This will remove any old v4l-dvb module already present.

I did several "sudo modprobe -r gspca-...." and check afterward that no 
gspca module is loaded anymore (lsmod |grep gspca).


Thomas

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