Re: [linux-dvb] S2API - Status - Thu Sep 11th

[Steven Toth <stoth@linuxtv.org>]

Hans Werner wrote:
>> Patrick Boettcher wrote:
>>> Hi Steve,
>>>
>>> On Fri, 12 Sep 2008, Steven Toth wrote:
>>>> Patrick, I haven't looked at your 1.7MHz bandwidth suggestion - I'm
>> open
>>>> to ideas on how you think we should do this. Take a look at todays
>>>> linux/dvb/frontend.h and see if these updates help, or whether you need
>>>> more changes.
>>> I attached a patch which adds a DTV_BANDWIDTH_HZ command. That's all. I 
>>> would like to have the option to pass any bandwidth I want to the
>> frontend.
>> ...
>>
>>> Sorry for not integrating this into the frontend_cache yet. But I'm 
>>> really out of time (at work and even at home, working on cx24120) and I 
>>> will not be able to supply the DiBcom ISDB-T demod-driver (which would 
>>> use all that) right now.
>> Great, thanks, I Merged with minor cleanup of comments.
>>
>> We should discuss the ISDB specifics at plumbers. The LAYER commands are 
>> not currently implemented and it would be good to understand atleast two 
>> different demodulators so we can abstract their controls into an API - 
>> and avoid any device specifics.
>>
>> Changes to tune.c (v0.0.6) on steventoth.net/linux/s2
>>
>> - Steve
> 
> The examples in tune 0.0.6 have two extra zeros :
> 
> it should be
> { .cmd = DTV_BANDWIDTH_HZ,    .u.data = 8000000 },
> not
> { .cmd = DTV_BANDWIDTH_HZ,    .u.data = 800000000 },
> 
> After applying the multifrontend patch I have signal lock working with HVR4000 and 
> S2API on all three delivery systems:
> DVB-T (tune -f 1 option)
> and
> DVB-S/S2 (tune -f 0 option)
> 
> The legacy API works too for DVB-T and DVB-S. Darron has a cx24116 patch which
> I needed to apply.

Thanks for highlighting this.

Fixed in v0.0.7, available on steventoth.net/linux/s2

- Steve

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