[linux-dvb] Informations/Problems about Asus P7131 Hybrid

hermann pitton hermann-pitton at arcor.de
Wed Aug 8 23:21:22 CEST 2007


Hi Soeren,

Am Mittwoch, den 08.08.2007, 11:42 +0200 schrieb Soeren Sonnenburg:
> On Tue, 2007-08-07 at 23:40 +0200, hermann pitton wrote:
> > Hi,
> 
> Hi Hermann,
> 
> > Am Dienstag, den 07.08.2007, 09:03 +0200 schrieb Soeren Sonnenburg:
> > > On Mon, 2007-08-06 at 00:21 +0200, hermann pitton wrote:
> > > > Hi Paolo,
> > > > 
> > > > Am Sonntag, den 05.08.2007, 09:56 +0200 schrieb Paolo Dell'Aquila:
> > > > > Hallo, I'm writing here becuase I need some  informations about the
> > > > > Asus P7131 Hybrid (1043:4876, board: ASUSTeK P7131 Hybrid 
> > > > > [card=112,autodetected]).
> > > > > 
> > > > > 1.
> > > > > Which is the newest firmware for this board? I downloaded the
> > > > > "revision 29" from lifeview, is this the right one?
> > > > 
> > > > latest available for download, as far as I know.
> > > 
> > > how does one find out which firmware revision one is using? I am asking
> > > as I have severe stability issues (the card works for a couple of hours
> > > then at some point cold freezes the system). Note that with the other
> > > budget card this setup works fine (uptime months...).
> > 
> > see your dmesg. The tda1004x reports revision 20. Try to get 29.
> > At least I'm not aware of other such reports yet. Especially not for
> > DVB-T usage.
> 
> strange, I could not convince tda1004x to load the lifeview firmware
> (obtained via the get_dvb_firmware script
> Documentation/dvb/get_dvb_firmware ) although placed
> in /lib/firmware/dvb-fe-tda10046.fw .
> 
> Looking at tda10046_fwupload() in
> linux/drivers/media/dvb/frontends/tda1004x.c I found a couple of
> 
> if (tda1004x_check_upload_ok(state) == 0)
>  return 0;
> 
> checks, which occur before firmware load (and were always triggered).
> That is why I got stuck at firmware 20. It now correctly says:
> 
> tda1004x: found firmware revision 29 -- ok

sorry, I forgot to tell, that you need a _cold_ boot.

If ever possible a firmware reload is avoided, because firmware runs
independent from kernel. Could be even a complete OS without having
licensing issues this way.

[snip]
> 
> > You should not need any saa7134 options, but you might try with saa7134
> > driver latency=32 or 64, maybe also in the BIOS I guess, since you have
> > 16MHz PCI speed currently.
> 
> Latency is already 64, but I don't understand why I should have only
> 16Mhz PCI speed? 

Look at your dmesg, PCI latency 16 was reported.

Good Luck,
Hermann






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