On Sat, 31 Aug 2013 12:24:31 +0100
Russell King - ARM Linux <li...@arm.linux.org.uk> wrote:
> > According to the Dove specification, the audio controller works with
> > the samples rates 44.1, 48 and 96 kHz, so, I don't see the usage of the
> > external clock, except when using the two audio controllers with
> > different sample rates.
[snip]
> > But, BTW, as the kirkwood-i2 driver is written, this last case does not
> > work: for 44.1, 48 and 96 kHz, the external clock is never used and
> > there is only one DCO.
>
> This doesn't make sense. "this last case" - what "case" are you referring
> to? "there is only one DCO" ? Yes, there is only one DCO, what is its
> relevance to the statement you're making? And yes, in mainline we
> currently use the DCO for the standard 44.1, 48 and 96kHz sample rates.
> That's fine. Confused.
Sorry, it was clear in my head :)
The last case was "when using the two audio controllers with different
sample rates" (I should have added "in the set [44.1, 48, 96 kHz]").
Then, with or without the availability of external clocks, both
controllers will set the unique DCO to two different rates.
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
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