[linux-dvb] Common interface on Technotrend S-1500 broken in v4l-dvb?

Oliver Endriss o.endriss at gmx.de
Sun Oct 14 16:21:13 CEST 2007


P. van Gaans wrote:
> On 10/14/2007 12:11 AM, Oliver Endriss wrote:
> > P. van Gaans wrote:
> >> Today I was testing some stuff and downloaded and installed the newest 
> >> v4l-dvb from hg. After a while I figured out that FTA channels on my TT 
> >> S-1500 still worked, but the CAM would not respond. I checked all 
> >> connections, re-inserted the CAM, reboot the computer but nothing would 
> >> help. My CI daughterboard version is 1.1 and I bought this S-1500 end of 
> >> august 2007. I use Ubuntu 7.04 with kernel 2.6.20-16-generic.
> >>
> >> After installing a somewhat older version of v4l-dvb I luckily had left 
> >> on my harddisk, the common interface directly came back to life.
> > 
> > Could you please try to find out which changeset broke the code?
> > 
> > If you have a current HG checkout, you can update the driver to a given
> > version using 'hg update <no of changeset>'.
> > 
> >> Maybe I just did something wrong somewhere, but would it be possible 
> >> some big change was made to the way the S-1500 handles the CI that could 
> >> have broken it?
> > 
> > It's probably a change in budget-ci.c or dvb_ca_en50221.c
> > 
> > Just an educated guess:
> > Did   http://linuxtv.org/hg/v4l-dvb/rev/b0a3a9b43d60
> > break the code? -> 'hg update 6279'
> > 
> > CU
> > Oliver
> > 
> 
> 6279 does not compile.
> 
> make -C /home/wn/v4l-dvb/v4l
> make[1]: Entering directory `/home/wn/v4l-dvb/v4l'
> perl scripts/make_config_compat.pl /lib/modules/2.6.20-16-generic/source
> ./.myconfig ./config-compat.h
> File not found:
> /lib/modules/2.6.20-16-generic/source/include/linux/netdevice.h at
> scripts/make_config_compat.pl line 15.
> make[1]: *** [config-compat.h] Error 2
> make[1]: Leaving directory `/home/wn/v4l-dvb/v4l'
> make: *** [all] Error 2
> 
> After trying a bit I figured out 6266 does compile. Everything between
> 6279 and 6266 does not. I can tell you that with 6266, the common 
> interface works, I hope that's enough info.

Now I have a confirmation from Marco Schluessler that changeset
  http://linuxtv.org/hg/v4l-dvb/raw-rev/b0a3a9b43d60
broke CI support.

For now simply revert this changeset.
Save http://linuxtv.org/hg/v4l-dvb/raw-rev/b0a3a9b43d60 to a file.
Then use 'patch -p1 -R < file' to revert the changeset.

@Mauro,
Has this changeset ever been tested?

CU
Oliver

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