From: Antti Palosaari <crope@iki.fi>
To: Per Wetterberg <dtv00pwg@hotmail.com>
Cc: linux-media@vger.kernel.org
Subject: Re: PCTV 520e - DVB-C not working
Date: Thu, 17 May 2012 03:22:58 +0300 [thread overview]
Message-ID: <4FB444E2.4020908@iki.fi> (raw)
In-Reply-To: <4FA8260A.5070601@iki.fi>
On 07.05.2012 22:44, Antti Palosaari wrote:
> On 05.05.2012 15:24, Per Wetterberg wrote:
>>
>> Hi,
>>
>>
>> I have problem getting the PCTV 520e to work with DVB-C on Linux. The
>> video output stream is full of defects.
>> "drxk: SCU_RESULT_INVPAR while sending cmd 0x0203 with params" is
>> printed to the dmesg log when scanning and watching DVB-C channels.
>> I have no problems scanning and watching DVB-T.
>>
>>
>> On Windows 7, both DVB-T and DVB-C works fine. So I guess its not an
>> hardware problem or the quality of the tv signal.
>>
>>
>> I have tried the drivers that came with kernel 3.3.4 and the latest
>> media drivers built from source.
>> The dvb-demod-drxk-pctv.fw firmware file is downloaded with the
>> get_dvb_firmware script and copied to /lib/firmware.
>>
>>
>> I can't figure out what the problem is.
>> Has anyone got PCTV 520e with DVB-C to work on Linux?
>>
>>
>> I have attached some log outputs below.
>
> You will need attenuator. I suspect it is LNA or some AGC :/ But guess
> what how many times I tried to found out the reason... Feel free to hack
> DRX-K driver.
Problem found. I was LNA which is always enabled. LNA is connected to
the demod GPIO. I will disable it since it since it is now over gaining
strong signals.
regards
Antti
--
http://palosaari.fi/
next prev parent reply other threads:[~2012-05-17 0:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <BAY154-W29D14F1C862FA852849E80C92D0@phx.gbl>
2012-05-05 12:24 ` PCTV 520e - DVB-C not working Per Wetterberg
2012-05-07 19:44 ` Antti Palosaari
2012-05-17 0:22 ` Antti Palosaari [this message]
2012-05-19 16:09 ` Per Wetterberg
2012-05-19 16:50 ` Antti Palosaari
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