[alsa-devel] wm8974 sam9g45 part #2

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Jun 29 05:03:07 CEST 2011

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.

More information about the Alsa-devel mailing list