On 10/07/2011 01:31 PM, ext Mark Brown wrote:
On Fri, Oct 07, 2011 at 10:24:40AM +0300, Matti J. Aaltonen wrote:
But then I don't get why the radio should be able to say when the
[analog] "stream" starts and stops (and what do you actually mean by
that?). Isn't it possible in the above scenario to simply turn on
the cross wired amp if the analog radio needs it etc. and not the
other way round?
I'm sorry, I can't parse what you're saying here. What do you mean by
"the other way around"? A complete audio path needs both an input and
an output.
I was just thinking about our example system with a DAC and the radio both
connected to an amplifier. In that system - as it was - the amplifier
was controlled
by the DAC codec. Now to have on output for the analog radio the amplifier
should be handled as a separate audio card, right? And then the analog
radio and the
analog amplifier could form a proper audio path.
And the DAC would act as an output for the rest of the (digital) system
and as analog input for
the amplifier. Still correct?
Are there any good examples that some of "us" should look into?
All ASoC drivers do this, it's a really basic part of the framework.
You can see examples of automatic management in the way the DACs and
ADCs are handled, and in the way the jack detection is integrated with
power management.
Yes, but what I was in a way driving at was to find an example of a
codec written
for a purely analog device like the amplifier above. It would surely be
different from
normal codecs (or am I wrong)?
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