diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0489-overlays-Add-swap_lr-and-enable_jack-to-audremap.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0489-overlays-Add-swap_lr-and-enable_jack-to-audremap.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0489-overlays-Add-swap_lr-and-enable_jack-to-audremap.patch b/target/linux/brcm2708/patches-4.4/0489-overlays-Add-swap_lr-and-enable_jack-to-audremap.patch new file mode 100644 index 0000000000..41f23c06ff --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0489-overlays-Add-swap_lr-and-enable_jack-to-audremap.patch @@ -0,0 +1,50 @@ +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?"; ++ }; + }; |