From: Oliver Endriss <o.endriss@gmx.de>
To: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] TDA10086 fails? DiSEqC bad? TT S-1401 Horizontal transponder fails
Date: Thu, 20 Mar 2008 01:18:26 +0100 [thread overview]
Message-ID: <200803200118.26462@orion.escape-edv.de> (raw)
In-Reply-To: <Pine.LNX.4.62.0803171305520.18849@ns.bog.msu.ru>
ldvb@ns.bog.msu.ru wrote:
> Could somebody help with ideas, why there are mistakes in the channel when
> using H pol. on the TT S-1401 card (while V works fine)?
> I do not know where and how to start digging the problem.
> On Windows everything is fine.
> Frequencies: H is 11043, V is 11606, symb. rate 44948.
> Total bitrate is approx. 68Mbit.
If the same machine/card/cable works with windows, and does not work
with the linux driver, there must be an issue in the driver.
Unfortunately, this is a common problem because most vendors do not
support linux. So many drivers are sub-optimal.
Sorry, if you want to have your problem fixed, you have dig through the
register programming of the frontend driver. Use an i2c sniffer and
compare the register settings of the the windows driver with those of
the linux driver...
If you want to experiment with some parameters, you might have a look at
changeset
http://linuxtv.org/hg/v4l-dvb/rev/8a19aa788239
Maybe you can find a better register setting which fixes your problem.
CU
Oliver
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next prev parent reply other threads:[~2008-03-20 0:20 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-14 13:29 [linux-dvb] (no subject) ldvb
2008-03-14 13:33 ` Vladimir Prudnikov
2008-03-14 14:39 ` ldvb
2008-03-14 15:17 ` Vladimir Prudnikov
2008-03-14 15:24 ` [linux-dvb] TT budget S-1401 Horizontal transponder fails ldvb
2008-03-17 10:20 ` [linux-dvb] TDA10086 fails? DiSEqC bad? TT " ldvb
2008-03-18 17:38 ` [linux-dvb] TT-budget S-1401 issues. " ldvb
2008-03-20 0:18 ` Oliver Endriss [this message]
2008-03-20 16:33 ` [linux-dvb] TDA10086 fails? DiSEqC bad? TT S-1401 " ldvb
2008-03-20 20:55 ` Hartmut Hackmann
2008-03-20 21:14 ` Manu Abraham
2008-03-20 21:57 ` Hartmut Hackmann
2008-03-21 9:15 ` Oliver Endriss
2008-03-21 15:43 ` Manu Abraham
2008-03-21 16:55 ` Manu Abraham
2008-03-22 6:11 ` Oliver Endriss
2008-03-22 17:12 ` Manu Abraham
2008-04-10 20:40 ` Oliver Endriss
2008-04-10 23:33 ` hermann pitton
2008-04-11 21:29 ` Oliver Endriss
2008-04-11 23:35 ` hermann pitton
2008-04-11 21:12 ` Hartmut Hackmann
2008-04-11 21:36 ` Oliver Endriss
2008-03-21 18:36 ` Matthias Schwarzott
2008-03-21 20:00 ` Manu Abraham
2008-03-21 20:15 ` Matthias Schwarzott
2008-03-21 20:47 ` Manu Abraham
2008-03-21 23:25 ` Matthias Schwarzott
2008-03-22 1:27 ` Manu Abraham
2008-03-21 10:44 ` ldvb
2008-03-21 8:56 ` Oliver Endriss
2008-03-21 10:56 ` ldvb
2008-03-21 14:25 ` ldvb
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