Messages in this thread | | | Date | Mon, 13 Jul 2015 23:57:45 -0700 | From | Tony Lindgren <> | Subject | Re: [PATCH 1/3] ARM: dts: Correct audio input route & set mic bias |
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* Arun Bharadwaj <arun@gumstix.com> [150604 11:10]: > From: Adam YH Lee <adam.yh.lee@gmail.com> > > 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: Ash Charles <ashcharles@gmail.com>
Can you please repost this with after checking From and Signed-off-by?
Regards,
Tony
> --- > 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 0d35ab6..473d8ee 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 { > @@ -153,7 +154,7 @@ > ti,audio-routing = > "Headphone Jack", "HPLOUT", > "Headphone Jack", "HPROUT", > - "LINE1L", "Line In"; > + "MIC3L", "Mic3L Switch"; > }; > > &mcasp0 { > -- > 2.1.4 >
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