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51 lines
1.7 KiB
Diff
51 lines
1.7 KiB
Diff
From 88e9625826d782595ae6b2acf7b8214f5d05726b Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 19 Aug 2016 15:39:01 +0100
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Subject: [PATCH] overlays: Add swap_lr and enable_jack to audremap
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swap_lr causes the channels to be reversed, and enable_jack prevents the
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headphone output from being disabled.
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See: https://github.com/raspberrypi/linux/issues/1473
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---
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arch/arm/boot/dts/overlays/README | 9 ++++++---
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arch/arm/boot/dts/overlays/audremap-overlay.dts | 7 ++++++-
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2 files changed, 12 insertions(+), 4 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -254,9 +254,12 @@ Params: <None>
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Name: audremap
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-Info: Switches PWM sound output to pins 12 & 13
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-Load: dtoverlay=audremap
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-Params: <None>
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+Info: Switches PWM sound output to pins 12 (Right) & 13 (Left)
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+Load: dtoverlay=audremap,<param>=<val>
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+Params: swap_lr Reverse the channel allocation, which will also
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+ swap the audio jack outputs (default off)
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+ enable_jack Don't switch off the audio jack output
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+ (default off)
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Name: bmp085_i2c-sensor
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--- a/arch/arm/boot/dts/overlays/audremap-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/audremap-overlay.dts
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@@ -6,9 +6,14 @@
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fragment@0 {
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target = <&audio_pins>;
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- __overlay__ {
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+ frag0: __overlay__ {
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brcm,pins = < 12 13 >;
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brcm,function = < 4 >; /* alt0 alt0 */
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};
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};
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+
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+ __overrides__ {
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+ swap_lr = <&frag0>, "swap_lr?";
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+ enable_jack = <&frag0>, "enable_jack?";
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+ };
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};
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