[linux-dvb] DVBc tuning, 1.0.0pre2 and Jaakko's patch

["Olivier JACQUES" <jacquesolivier@hotmail.com>]

After using 1.0.0pre2 with VDR 1.1.25, I have to report also my part of
the story for DVBc tuning :)
First, I can not tune (or with a lot of difficulties) with vanilla
DVB1.0.0pre2 on my DVBc board.
Since many driver releases, I have to use Jaako's patches to make the
all thing work (http://hyvatti.iki.fi/~jaakko/dvb/). Thank you!
Jaakko just recently tried to clean this up to have it included in CVS.
Unfortunately, the dvb5.diff and dvb6.diff didn't worked for me (I have
M64I0 in VDR's channels.conf, SR is 6875).
I have to use dvb4.diff, and it works reliably.

With dvb4.diff, I get:
Mar 18 00:02:26 vdr vdr[10832]: switching to channel 1
Mar 18 00:02:27 vdr kernel: 0:0: drift: +0.000000, bending: +0.000000
Mar 18 00:02:27 vdr kernel: ves1820.c: tuning to 331.000000 MHz
Mar 18 00:02:27 vdr kernel: 0:0: delay: 0.200000s

Also, applying the dvb6.diff patch part that is related to always retry
the same frequency for zigzag lower the tuning time sometimes (Change
notes: "Makes zigzag to not change frequency for DVB-c at all. It only
resets the parameters over and over again.")
In dvb_frontend.c:
               else if (fe->info->type == FE_QAM)
                       stepsize = 0;

I also tried to change the "#define TIMEOUT 2*HZ" in dvb5.diff with
4*Hz, but that didn't helped.

Anyone else is experiencing the same?


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