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