Re: [PATCH] saa7134: Fix IR support of some ASUS TV-FM 7135 variants

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Am Montag, den 15.02.2010, 06:31 +0100 schrieb hermann pitton:
> Am Donnerstag, den 11.02.2010, 01:58 +0100 schrieb hermann pitton:
> > Hi,
> > 
> > Am Mittwoch, den 10.02.2010, 20:36 +0100 schrieb Jean Delvare:
> > > On Wed, 10 Feb 2010 16:40:03 -0200, Mauro Carvalho Chehab wrote:
> > > > Jean Delvare wrote:
> > > > > Under the assumption that saa7134_hwinit1() only touches GPIOs
> > > > > connected to IR receivers (and it certainly looks like this to me) I
> > > > > fail to see how these pins not being initialized could have any effect
> > > > > on non-IR code.
> > > > 
> > > > Now, i suspect that you're messing things again: are you referring to saa7134_hwinit1() or
> > > > to saa7134_input_init1()?
> > > > 
> > > > I suspect that you're talking about moving saa7134_input_init1(), since saa7134_hwinit1()
> > > > has the muted and spinlock inits. It also has the setups for video, vbi and mpeg. 
> > > > So, moving it require more care.
> > > 
> > > Err, you're right, I meant saa7134_input_init1() and not
> > > saa7134_hwinit1(), copy-and-paste error. Sorry for adding more
> > > confusion where it really wasn't needed...
> > > 
> > 
> > both attempts of Jean will work.
> > 
> > If we are only talking about moving input_init, only that Jean did
> > suggest initially, it should work, since only some GPIOs for enabling
> > remote chips are affected.
> > 
> > I can give the crappy tester, but don't have such a remote, but should
> > not be a problem to trigger the GPIOs later.
> > 
> > Cheers,
> > Hermann
> > 
> 
> Hi Jean,
> 
> I did test your patch, only following Roman's initial patch already
> known, on eight different cards for now, also with three slightly
> different remotes and it does not have any negative impact.
> 
> Please consider, that it is only about that single card for now and a
> per card solution is enough.
> 
> I strongly remind, that we should not rely on unknown eeprom bytes, as
> told previously and should not expand such into any direction.
> 
> If we make progress there, we should change it for all cards, but again,
> what had happened on the m$ drivers previously is not encouraging to do
> it without any need.
> 
> To do it per card in need for now seems enough "service" to me.
> 
> If more such should come, unlikely on that driver, I would at first deny
> auto detection support, since they are breaking rules.
> 
> The problem likely will time out very soon.
> 
> Cheers,
> Hermann

Jean, a slight ping.

Are you still waiting for Daro's report?

As said, I would prefer to see all OEMs _not_ following Philips/NXP
eeprom rules running into their own trash on GNU/Linux too.

Then we have facts.

That is much better than to provide a golden cloud for them. At least I
won't help to debug such later ...

If you did not manage to decipher all OEM eeprom content already,
just let's go with the per card solution for now.

Are you aware, that my intention is _not_ to spread the use of random
and potentially invalid eeprom content for some sort of such auto
detection?

The other solution is not lost and in mind, if we should need to come
back to it and are in details. Preferably the OEMs should take the
responsibility for such.

We can see, that even those always doing best on it, can't provide the
missing informations for different LNA stuff after the
Hauppauge/Pinnacle merge until now.

If you claim to know it better, please share with us.

Cheers,
Hermann


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