Re: DVBSky T980C CI issues (kernel 4.0.x)

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Hi Olli,

On Fri, 2016-03-04 at 10:28 +0200, Olli Salonen wrote:
> Hi Jurgen,
> 
> Ah, that's interesting. My T980C (and based on printout from Torbjörn
> his as well) have Si2168-A20 chips.
> 
> Some things I'd like to understand:
> - is there a difference if the CI slot is populated or not?
Not sure, will test
> - is there any difference between the different firmwares?
I'll check the second newer one.
> - does it work with the DVBSky provided driver?
Will test this as well (dvbv5-scan)
> - when you say it doesn't work, is the issue that the demodulator
> does
> not lock on the DVB-T2 muxes?
I am using DVB-C, I do not have issues with tuning. Only dvbv5-scan
does not work.
> 
> Two different firmwares for A30 chip:
> https://github.com/OpenELEC/dvb-firmware/blob/18b12de1f57b3c70a681983
> 638989f94590b19f1/firmware/dvb-demod-si2168-a30-01.fw?raw=true
> https://github.com/OpenELEC/dvb-firmware/raw/dc7cf270e328de144e75a30d
> 970b6e147e8bcb6e/firmware/dvb-demod-si2168-a30-01.fw
> 
> I think the second one is newer, but don't have the means to verify
> right now...
I am currently using the first one.

What about the si2158?
[  121.771582] si2157 10-0060: found a 'Silicon Labs Si2158-A20'
[  121.794158] si2157 10-0060: downloading firmware from file 'dvb-
tuner-si2158-a20-01.fw'
[  122.594826] si2157 10-0060: firmware version: 2.1.6

Bye,
Jurgen

> 
> Cheers,
> -olli
> 
> On 4 March 2016 at 10:15, Jurgen Kramer <gtmkramer@xxxxxxxxx> wrote:
> > 
> > Hi Olli,
> > 
> > On Thu, 2016-03-03 at 13:02 +0200, Olli Salonen wrote:
> > > 
> > > Hi Jurgen, Torbjörn,
> > > 
> > > I've noticed that there is currently a small confusion about the
> > > firmware versions for the Si2168-A20 demodulator. This is used in
> > > the
> > > older versions of DVBSky T680C (TechnoTrend CT2-4650 CI) and
> > > DVBSky
> > > T980C (TechnoTrend CT2-4500 CI).
> > > 
> > > The version 2.0.5 does not support PLP handling and seems to work
> > > very
> > > badly with the Linux driver - at least for me. Version 2.0.35 on
> > > the
> > > other hand seems to find all DVB-T/T2 channels for me just fine
> > > with
> > > both dvbv5-scan and w_scan (devices used for this test:
> > > TechnoTrend
> > > CT2-4650 CI and TechnoTrend CT2-4500 CI new version).
> > > 
> > > Versions used:
> > > dvbv5-scan version 1.7.0
> > > w_scan version 20150111 (compiled for DVB API 5.10)
> > > 
> > > So if you are running these Si2168-A20 based devices, make sure
> > > you've
> > > got the firmware 2.0.35 that can be downloaded for example here:
> > > http://palosaari.fi/linux/v4l-dvb/firmware/Si2168/Si2168-A20/32e0
> > > 6713
> > > b33915f674bfb2c209beaea5/
> > It seems my TC980Cs have Si2168-A30's on board
> > 
> > [  118.526665] si2168 8-0064: found a 'Silicon Labs Si2168-A30'
> > [  118.640642] si2168 8-0064: downloading firmware from file 'dvb-
> > demod-si2168-a30-01.fw'
> > [  121.762983] si2168 8-0064: firmware version: 3.0.16
> > 
> > dvbv5_scan does not work me.
> > sha1sum for this firmware is:
> > 59a0b90703d65229fb2589b52834ca68d1e96ad9  dvb-demod-si2168-a30-
> > 01.fw
> > 
> > Jurgen
> > 
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