> no
> 
> anyway, problem is solved, there is bad gpiomask in bttv-cards.c

Ah.  That explains why debugging i2c did not help ...

> should be:
> 
> name:           "AVerMedia TVPhone 98",

>         gpiomask:       12,
>                         --

> BTW there is:
> 
> avermedia_tvphone_audio(struct bttv *btv, struct video_audio *v, int set)
> {
>         /* TODO */
> }
> 
> for "AVerMedia TVPhone 98"!
> I thought we play with I2C, so why is it here?

Depends.  Most cards use i2c chips.  Some do not and use gpio ports instead.
Looks like I've missed the "AVerMedia TVPhone" in your first message.

  Gerd

-- 
Wirtschaftsinformatiker == Leute, die zwar die aktuellen Aktienkurse
jedes Softwareherstellers kennen, aber keines der Produkte auch nur
ansatzweise bedienen k�nnen.            -- Benedict Mangelsdorff



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