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Date: Mon, 13 Jul 2015 23:57:45 -0700 From: Tony Lindgren <tony@...mide.com> To: Arun Bharadwaj <arun@...stix.com> Cc: BenoƮt Cousson <bcousson@...libre.com>, Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Russell King <linux@....linux.org.uk>, linux-omap@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Adam YH Lee <adam.yh.lee@...il.com>, Ash Charles <ashcharles@...il.com> Subject: Re: [PATCH 1/3] ARM: dts: Correct audio input route & set mic bias * Arun Bharadwaj <arun@...stix.com> [150604 11:10]: > From: Adam YH Lee <adam.yh.lee@...il.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@...il.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 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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