Re: Common interface on Technotrend S-1500 broken in v4l-dvb?

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P. van Gaans wrote:
> On 10/14/2007 07:54 PM, Oliver Endriss wrote:
> > Oliver Endriss wrote:
> >> 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.
> > 
> > Marco sent me the attached patch which should fix the problem.
> > Please test.
> > 
> > CU
> > Oliver
> > 
> > 
> > 
> > ------------------------------------------------------------------------
> > 
> > - "while (!ca->wakeup)" breaks the CAM initialisation
> > 
> > Signed-off-by: Marco Schluessler <marco@xxxxxxxxxxxxx>
> > 
> > diff -bur v4l-dvb-ea93c93f1547_orig/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c v4l-dvb-ea93c93f1547/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
> > --- v4l-dvb-ea93c93f1547_orig/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c	2007-10-14 13:19:25.000000000 +0200
> > +++ v4l-dvb-ea93c93f1547/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c	2007-10-14 18:37:15.000000000 +0200
> > @@ -973,7 +973,7 @@
> >  	/* main loop */
> >  	while (!kthread_should_stop()) {
> >  		/* sleep for a bit */
> > -		while (!ca->wakeup) {
> > +		if (!ca->wakeup) {
> >  			set_current_state(TASK_INTERRUPTIBLE);
> >  			schedule_timeout(ca->delay);
> >  			if (kthread_should_stop())
> > 
> > 
> > ------------------------------------------------------------------------
> > 
> > _______________________________________________
> > linux-dvb mailing list
> > linux-dvb@xxxxxxxxxxx
> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> 
> I wanted to test it but just downloaded the latest v4l-dvb and see the 
> patch is already applied. Common interface works with latest v4l-dvb 
> (oct 16 2007).

Correct, the patch has already been applied.

Thanks for testing!

CU
Oliver

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