[linux-dvb] Hauppauge WinTV regreession from 2.6.24 to 2.6.25

Mauro Carvalho Chehab mchehab at infradead.org
Mon Apr 28 16:21:50 CEST 2008


> > I notice some unwanted behavior when testing md7134 FMD1216ME hybrid
> > boards.
> >
> Aha! I modified my board that it no longer runs with the current driver. But i observed
> something similar
> 
> > Unchanged is that the tda9887 is not up for analog after boot.
> > Previously one did reload "tuner" just once and was done.
> > 
> <snip>
> Don't have the time today, but lets roll back history: Not absolutely sure but if
> i remember correcly, the initialization sequence can be critical with hybrid tuners /
> NIM modules. The tda9887 may only be visible on I2C after a certain bit in the MOPLL
> is set (in byte4?)

If this is the case, we need to initialize the bit at init1, otherwise, this won't work.

Another option is to migrate saa7134 to the newer i2c probing methods, and let
tuner be probed after init2.

Cheers,
Mauro



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