Re: [PATCH] Fix the min/max frequencies of some DVB-C frontends

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Michael Krufky wrote:
> e9hack wrote:
> > Hi,
> > 
> > the min frequencies of the DVB-C frontends are wrong. In Europe, the center frequency of the lowest
> > channel is 50.5MHz and not 51MHz. All known cards with the stv0297/tda0002x/ves1820 frontend are
> > able to tune to this frequency. I've changed the range to the lowest channel - 1/2 bandwidth and the
> > highest channel + 1/2 bandwidth. For the design of the dvb driver, the frequency ranges must be part
> > of the tuner and not of the frontend itself. The same frontend may be used for different tuners. The
> > attached patch does only fix the ranges and not the design.
> 
> Now I'm beginning to have doubts about Oliver's original patch:
> 
> dvb_frontend: Range check of frequency and symbol rate
> http://linuxtv.org/hg/v4l-dvb/rev/8186a34dd0a6
> 
> Should we be checking fe->ops.tuner_ops.info.frequency_min|max , instead of
> fe->ops.info.frequency_min|max ???

Hm, I was not aware that there is another info.frequency_min|max
in tuner_ops. :-(

Do we need both of them?

CU
Oliver

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