From: Pavel Machek Date: Sun, 1 Mar 2015 19:07:08 +0000 (+0200) Subject: ARM: dts: OMAP3-N900: Add microphone bias voltages X-Git-Tag: v3.18.15~151 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eeb31bc8b3458687ca0a3123a89f3f0fc1a714c5;p=thirdparty%2Fkernel%2Fstable.git ARM: dts: OMAP3-N900: Add microphone bias voltages [ Upstream commit 1819e3034ee26ffadc71880064ed8b8e7d74f52c ] N900 audio recording needs that codec provides bias voltage for integrated digital microphone and headset microphone depending which one is used. Digital microphone uses 2 V bias and it comes from the codec A part. Codec B part drives the headset microphone bias and that is set to 2.5 V. Cc: stable@vger.kernel.org # v3.16+ Signed-off-by: Pavel Machek [Jarkko: Headset mic bias changed to 2 (2.5 V) as it was before commit e2e8bfdf6157 ("ASoC: tlv320aic3x: Convert mic bias to a supply widget")] Signed-off-by: Jarkko Nikula Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index bc82a12d4c2c3..ae630a928acd9 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -445,6 +445,8 @@ DRVDD-supply = <&vmmc2>; IOVDD-supply = <&vio>; DVDD-supply = <&vio>; + + ai3x-micbias-vg = <1>; }; tlv320aic3x_aux: tlv320aic3x@19 { @@ -456,6 +458,8 @@ DRVDD-supply = <&vmmc2>; IOVDD-supply = <&vio>; DVDD-supply = <&vio>; + + ai3x-micbias-vg = <2>; }; tsl2563: tsl2563@29 {