* Ash Charles <ashcharles@xxxxxxxxx> [150714 11:41]:
> On Tue, Jul 14, 2015 at 11:17 AM, Adam YH Lee <adam.yh.lee@xxxxxxxxx> wrote:
> > Audio-in was incorrectly routed to Line In. It should be Mic3L as per
> > schematic.
> >
> > Using mic-bias voltage at 2.0v (<0x1>) does not work for some reason. There
> > is no voltage seen on micbias (R127). Mic-bias voltage of 2.5v (<0x2>) works.
> > I see voltage of 2.475v across GND and micbias.
> >
> > With these changes, I can record audio with a pair of proliferate TRRS earbuds.
> >
> > Signed-off-by: Adam YH Lee <adam.yh.lee@xxxxxxxxx>
> > ---
> > arch/arm/boot/dts/am335x-pepper.dts | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts
> > index d627dc6..73b4cc3 100644
> > --- a/arch/arm/boot/dts/am335x-pepper.dts
> > +++ b/arch/arm/boot/dts/am335x-pepper.dts
> > @@ -74,6 +74,7 @@
> > audio_codec: tlv320aic3106@1b {
> > compatible = "ti,tlv320aic3106";
> > reg = <0x1b>;
> > + ai3x-micbias-vg = <0x2>;
> > };
> >
> > accel: lis331dlh@1d {
> > @@ -152,7 +153,7 @@
> > ti,audio-routing =
> > "Headphone Jack", "HPLOUT",
> > "Headphone Jack", "HPROUT",
> > - "LINE1L", "Line In";
> > + "MIC3L", "Mic3L Switch";
> > };
> >
> > &mcasp0 {
> Note, this is getting resent to correct the sign-offs as requested
> https://lkml.org/lkml/2015/7/14/56
> Acked-by: Ash Charles <ashcharles@xxxxxxxxx>
Thanks applying into omap-for-v4.2/fixes.
Tony
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