[linux-dvb] Re: Full featured card summary

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Sunday 14 March 2004 22:58, Andreas Oberritter wrote:
> Hi,
>
> On Sun, 2004-03-14 at 23:46, Andrew de Quincey wrote:
> > I suppose its a matter of how tolerant we want to be of userspace
> > programs.. I mean, we already turn OFF the LNB power automatically, why
> > not turn it on as well?
>
> I don't care much, but please don't change the voltage setting in the
> inittab, because it breaks support for the ves1893 and ves1993 on the
> other (non-pci) boards, where the gpio pins toggled by this register
> have a different meaning.
>
> If you decide to set the voltage of all frontends to 13V at open(), then
> checking for O_RDWR should be sufficient to decide, because only one
> writer is allowed.
>
> However, I don't like that idea. It makes it impossible to stay at 0V,
> when the frontend is connected to a loop through output of another
> receiver, which shall not be disturbed. Userspace apps can choose the
> desired voltage anyway after opening the device.

OK, lets leave it as it is then. Apps will just have to follow the DISEQC spec 
exactly, whether they like it or not.


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