on patch "DVB: add firesat driver" in staging.git

Ben Backx ben at bbackx.com
Sun Jun 22 14:00:53 UTC 2008

> -----Original Message-----
> From: Manu Abraham [mailto:manu at linuxtv.org]
> Sent: 16 June 2008 00:06
> To: Ben Backx
> Cc: 'Manu Abraham'; 'Stefan Richter'; devel at driverdev.osuosl.org;
> 'Mauro Carvalho Chehab'; 'Christian Dolzer'; 'Andreas Monitzer'; 'Fabio
> De Lorenzo'; 'Robert Berger'
> Subject: Re: on patch "DVB: add firesat driver" in staging.git
> Ben Backx wrote:
> >> -----Original Message-----
> >> From: Manu Abraham [mailto:manu at linuxtv.org]
> >> Sent: 15 June 2008 23:24
> >> To: Stefan Richter
> >> Cc: devel at linuxdriverproject.org; Mauro Carvalho Chehab; Ben Backx;
> >> Christian Dolzer; Andreas Monitzer; Manu Abraham; Fabio De Lorenzo;
> >> Robert Berger
> >> Subject: Re: on patch "DVB: add firesat driver" in staging.git
> >>
> >> Stefan Richter wrote:
> >>> Stefan Richter wrote:
> >>>> This means that firesat needs to be ported to the new stack
> >>>> eventually. The question remains if that should be done before
> >>>> mainline submission or after.  I tend to the latter,
> >>> http://forum.digital-everywhere.com/viewforum.php?f=34 shows that
> >> people
> >>> are eager to test the driver.  One user even posted an own small
> >> fixup
> >>> patch there.  I.e. we should get it into mainline sooner rather
> than
> >>> later.  A conversion to the new firewire stack would be easier
> after
> >>> mainline merge anyway, from the development POV.
> >> Currently as it stands, the driver is usable, AFAICS. Albeit the
> >> conversion to the new Firewire stack would be a nice thing to be
> done.
> >>
> >
> > There is a patch on the way for the DVB-S2 devices (not recognized
> > correctly). I can submit this patch now, but I would rather add some
> code so
> > the DVB-S2 receivers can use the DVB-S functionality (DVB-S2 is only
> > possible with the change to multiproto). I'll try to do this before
> the end
> > of the month.
> I've had some changes to add multi delivery system capability, but the
> demodulator used, needs explicit definition of FEC and other
> parameters.
> Currently, all existing DVB applications expect FEC to be AUTO, This
> brings in the larger problem that i have been trying to tackle.
> If you prefer to send a patch, would wait for that instead, as i can
> channelize the time for other stuff that i have been up with.
> That said, we would soon see multiproto in staging for some wider
> tests.
> Regards,
> Manu

The patch that fixes device recognition can be found at
It only makes sure that a DVB-S2 device is really recognized as a S2,
nothing else is added yet. It's using the string containing the model that
is stored in the configuration rom, the older version was using some
hardware-revision-dependent (is this English? ;-) ) part of the rom.


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