On Tue January 29 2013 16:30:37 Olivier Subilia wrote:
> Thanks for help.
>
> I must confess there are so many entries in menuconfig I can't find
> where enabling em28xx is hidden (20 minutes searching in vain :-( .
> Could you please help me ?
Multimedia support
Media USB Adapters
Empia EM28xx USB video capture support
The Empia option is all the way at the end of the list of USB adapters.
Regards,
Hans
>
> Le 29/01/2013 15:59, Hans Verkuil a écrit :
> > On Tue January 29 2013 15:18:12 Olivier Subilia wrote:
> >> Hi,
> >>
> >> First of all, I've no experience with this mailing list. I'm not sure
> >> I'm sending my report to the right place. If not, please don't hesitate
> >> to tell it to me (possibly with the right place address).
> >>
> >> I'm desperately trying to compile v4l drivers for a PCTV quatrostick
> >> nano. Following this page
> >>
> >> http://www.linuxtv.org/wiki/index.php/PCTVSystems_QuatroStick-nano_520e
> >>
> >> it uses the em28xx driver.
> >>
> >> my configuration: `uname -r` = 3.2.0-35-generic-pae
> >>
> >> So I tried to compile it with
> >>
> >> $ git clone git://linuxtv.org/media_build.git
> >> $ cd media_built
> >> $ ./build >log.log (file attached)
> >>
> >> STDERR:
> >>
> >> Cloning into 'media_build'...
> >> remote: Counting objects: 1813, done.
> >> remote: Compressing objects: 100% (591/591), done.
> >> remote: Total 1813 (delta 1223), reused 1751 (delta 1183)
> >> Receiving objects: 100% (1813/1813), 423.66 KiB, done.
> >> Resolving deltas: 100% (1223/1223), done.
> >> multimedia@serveur:~$ cd media_build/
> >> multimedia@serveur:~/media_build$ ./build >log.log
> >> From git://linuxtv.org/media_build
> >> * branch master -> FETCH_HEAD
> >> --2013-01-29 14:52:49--
> >> http://linuxtv.org/downloads/drivers/linux-media-LATEST.tar.bz2.md5
> >> Resolving linuxtv.org (linuxtv.org)... 130.149.80.248
> >> Connecting to linuxtv.org (linuxtv.org)|130.149.80.248|:80... connected.
> >> HTTP request sent, awaiting response... 200 OK
> >> Length: 93 [application/x-bzip2]
> >> Saving to: `linux-media.tar.bz2.md5.tmp'
> >>
> >> 100%[=========================================================================================================================================>]
> >> 93 --.-K/s in 0s
> >>
> >> 2013-01-29 14:52:49 (7.72 MB/s) - `linux-media.tar.bz2.md5.tmp' saved
> >> [93/93]
> >>
> >> cat: linux-media.tar.bz2.md5: No such file or directory
> >> --2013-01-29 14:52:49--
> >> http://linuxtv.org/downloads/drivers/linux-media-LATEST.tar.bz2
> >> Resolving linuxtv.org (linuxtv.org)... 130.149.80.248
> >> Connecting to linuxtv.org (linuxtv.org)|130.149.80.248|:80... connected.
> >> HTTP request sent, awaiting response... 200 OK
> >> Length: 4502249 (4.3M) [application/x-bzip2]
> >> Saving to: `linux-media.tar.bz2'
> >>
> >> 100%[=========================================================================================================================================>]
> >> 4'502'249 5.47M/s in 0.8s
> >>
> >> 2013-01-29 14:52:50 (5.47 MB/s) - `linux-media.tar.bz2' saved
> >> [4502249/4502249]
> >>
> >> --2013-01-29 14:52:51--
> >> http://www.linuxtv.org/downloads/firmware//dvb-firmwares.tar.bz2
> >> Resolving www.linuxtv.org (www.linuxtv.org)... 130.149.80.248
> >> Connecting to www.linuxtv.org (www.linuxtv.org)|130.149.80.248|:80...
> >> connected.
> >> HTTP request sent, awaiting response... 200 OK
> >> Length: 649441 (634K) [application/x-bzip2]
> >> Saving to: `dvb-firmwares.tar.bz2'
> >>
> >> 100%[=========================================================================================================================================>]
> >> 649'441 1.41M/s in 0.4s
> >>
> >> 2013-01-29 14:52:51 (1.41 MB/s) - `dvb-firmwares.tar.bz2' saved
> >> [649441/649441]
> >>
> >>
> >> ln: accessing `../../linux/firmware/dabusb//*': No such file or directory
> >> /home/multimedia/media_build/v4l/anysee.c: In function
> >> 'anysee_frontend_attach':
> >> /home/multimedia/media_build/v4l/anysee.c:893:2: warning: 'ret' may be
> >> used uninitialized in this function [-Wuninitialized]
> >> /home/multimedia/media_build/v4l/m920x.c: In function 'm920x_probe':
> >> /home/multimedia/media_build/v4l/m920x.c:91:6: warning: 'ret' may be
> >> used uninitialized in this function [-Wuninitialized]
> >> /home/multimedia/media_build/v4l/m920x.c:70:6: note: 'ret' was declared
> >> here
> >> /home/multimedia/media_build/v4l/mxl111sf.c:58:0: warning: "err"
> >> redefined [enabled by default]
> >> include/linux/usb.h:1655:0: note: this is the location of the previous
> >> definition
> >> /home/multimedia/media_build/v4l/ngene-cards.c:813:2: warning:
> >> initialization discards 'const' qualifier from pointer target type
> >> [enabled by default]
> >> /home/multimedia/media_build/v4l/mxl111sf-tuner.c:34:0: warning: "err"
> >> redefined [enabled by default]
> >> include/linux/usb.h:1655:0: note: this is the location of the previous
> >> definition
> >> /home/multimedia/media_build/v4l/mxl111sf-tuner.c:34:0: warning: "err"
> >> redefined [enabled by default]
> >> include/linux/usb.h:1655:0: note: this is the location of the previous
> >> definition
> >> WARNING: "snd_tea575x_set_freq"
> >> [/home/multimedia/media_build/v4l/radio-shark.ko] undefined!
> >> WARNING: modpost: Found 1 section mismatch(es).
> >> To see full details build your kernel with:
> >> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
> >>
> >>
> >> No other compilation error. 524 modules founds. But if I check em28xx
> >> family modules:
> >>
> >> $ ls v4l/em28xx*.ko
> >> ls: cannot access v4l/em28xx*.ko: No such file or directory
> >>
> >> In other words: no module is compiled with this.
> >> All (most ?) other modules are compiled in v4l/*.ko
> >>
> >> What am I doing wrong ?
> > Nothing :-)
> >
> > I can reproduce this myself. It works fine for all kernels except 3.2 and
> > 3.3.
> > One workaround is to run 'make menuconfig' in the media_build directory,
> > turn
> > on the em28xx modules, and run 'make' to build everything.
> >
> > Why it isn't automatically selected when compiling for those kernels is a
> > mystery to me.
> >
> > Regards,
> >
> > Hans
> >
> >> With kernel 2.6.32-45-generic, I have no problem to build everything
> >> with the same commands, included em28xx*.ko.
> >>
> >> By the way, is it possible to rebuild just one specific module instead
> >> of always rebuilding the whole tree ?
> >>
> >> Many thanks in advance for any hint
> >>
> >> Olivier Subilia
> >>
> > --
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