[alsa-devel] wm8974 sam9g45 part #2

[Michele Da Rold]

Il 29/06/2011 05:03, Mark Brown ha scritto:
> On Tue, Jun 28, 2011 at 12:22:39PM +0200, Michele Da Rold wrote:
>
>> 3. I use the default configuration of wm8974 registers, I put the
>> volume to 100%, the result on headphone output is noise, only
>> noise....
>> Stopping playback the noise stop so I think that I'm playing a sound
>> but no output!!
>
> This sounds like your clocking configuration is bad and the CODEC isn't
> parsing the data sent by the CPU.
You suggestion is ok, it was a problem with clock (MCLK) not I can do a 
playback without problem.
and now capture a sound...
thank you
Michele

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