[linux-dvb] [PATCH] Fix for Air2PC HD5000

Trent Piepho xyzzy at speakeasy.org
Thu Aug 9 03:50:15 CEST 2007

On Wed, 8 Aug 2007, Michael Krufky wrote:
> >On Wed, 8 Aug 2007, Geoffrey Hausheer wrote:
> >
> >
> >>On 8/8/07, Michael Krufky mkrufky-at-linuxtv.org wrote:
> >>
> >>
> >>>On 8/7/07, Geoffrey Hausheer wrote:
> >>>Although your patch may appear to fix your problem, I suspect that it
> >>>is really curing a symptom of the problem, and not the cause.
> >>>
> >>>
> >>This is possible.  I don't know anything at all about i2c.  I just
> >>tried to reverted the negative consequences of the patch which broke
> >>my system.
> >>
> >>
> >
> >The real problem is with the flexcop i2c support.  It only allows a very
> >limited set of a i2c commands, and a one byte read command like the pll
> >probe uses isn't supported.
> >
> Trent,
> If that is the case, then why do you think Geoffrey is having this
> problem while others are not?

The HD-5000 is the only flexcop card that uses dvb-pll with a pll directly
attached to the I2C bus.

The flexcop driver doesn't check the return value of dvb_pll_attach, so
there is no error message.  It will just not work correctly.

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