Re: Terratec Grabby hwrev 2

[Mauro Carvalho Chehab <mchehab@redhat.com>]

Em Thu, 28 Mar 2013 10:52:01 +0200
Timo Teras <timo.teras@iki.fi> escreveu:

> On Wed, 27 Mar 2013 16:10:49 +0200
> Timo Teras <timo.teras@iki.fi> wrote:
> 
> > On Tue, 26 Mar 2013 10:20:56 +0200
> > Timo Teras <timo.teras@iki.fi> wrote:
> > 
> > > I did manage to get decent traces with USBlyzer evaluation version.
> > 
> > Nothing _that_ exciting there. Though, there's quite a bit of
> > differences on certain register writes. I tried copying the changed
> > parts, but did not really help.
> > 
> > Turning on saa7115 debug gave:
> > 
> > saa7115 1-0025: chip found @ 0x4a (ID 000000000000000) does not match
> > a known saa711x chip.
> 
> Well, I just made saa7115.c ignore this ID check, and defeault to
> saa7113 which is apparently the chip used.
> 
> And now it looks like things start to work a lot better.
> 
> Weird that the saa7113 chip is missing the ID string. Will continue
> testing.

That could happen if saa7113 is behind some I2C bridge and when
saa7113 is not found when the detection code is called.

> 
> - Timo


-- 

Cheers,
Mauro