[alsa-devel] [PATCHv2 5/6] ASoC: OMAP4: Add support for McPDM

Candelaria Villareal, Jorge jorge.candelaria at ti.com
Tue Jan 26 18:55:58 CET 2010

Mark Brown wrote:
> On Mon, Jan 25, 2010 at 03:06:27PM -0600, Candelaria 
> Villareal, Jorge wrote:
> > Liam Girdwood wrote:
> > > What does this do and why is it not static ?
> > It enables and configures offset cancelation for the analog 
> headset path. It is supposed to be called by the codec 
> driver, so it should'nt be static. But, offset cancelation is 
> probably not going to be used at first.
> So this is a DC offset in the output?

Yes, its purpose is to get rid of the DC offset in the output

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