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openmptcprouter/root/target/linux/brcm2708/patches-4.14/0162-add-backlight-control-to-media-center-overlay.patch
2018-03-23 21:58:08 +01:00

52 lines
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From 5531abcbd901b819c9c375a9c95635cd9cbe648f Mon Sep 17 00:00:00 2001
From: Aaron Shaw <shawaj@gmail.com>
Date: Thu, 28 Dec 2017 17:34:54 +0000
Subject: [PATCH 162/277] add backlight control to media-center overlay
---
arch/arm/boot/dts/overlays/README | 1 +
arch/arm/boot/dts/overlays/media-center-overlay.dts | 16 +++++++++-------
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index e0f29ec6627a..2024a28e9bbf 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1002,6 +1002,7 @@ Params: speed Display SPI bus speed
fps Delay between frame updates
xohms Touchpanel sensitivity (X-plate resistance)
swapxy Swap x and y axis
+ backlight Change backlight GPIO pin {e.g. 12, 18}
gpio_out_pin GPIO for output (default "17")
gpio_in_pin GPIO for input (default "18")
gpio_in_pull Pull up/down/off on the input pin
diff --git a/arch/arm/boot/dts/overlays/media-center-overlay.dts b/arch/arm/boot/dts/overlays/media-center-overlay.dts
index a42b8e2a846c..ce4db35228e9 100644
--- a/arch/arm/boot/dts/overlays/media-center-overlay.dts
+++ b/arch/arm/boot/dts/overlays/media-center-overlay.dts
@@ -113,13 +113,15 @@
};
__overrides__ {
- speed = <&rpidisplay>,"spi-max-frequency:0";
- rotate = <&rpidisplay>,"rotate:0";
- fps = <&rpidisplay>,"fps:0";
- debug = <&rpidisplay>,"debug:0",
- <&lirc_rpi>,"rpi,debug:0";
- xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
- swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
+ speed = <&rpidisplay>,"spi-max-frequency:0";
+ rotate = <&rpidisplay>,"rotate:0";
+ fps = <&rpidisplay>,"fps:0";
+ debug = <&rpidisplay>,"debug:0",
+ <&lirc_rpi>,"rpi,debug:0";
+ xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
+ swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
+ backlight = <&rpidisplay>,"led-gpios:4",
+ <&rpi_display_pins>,"brcm,pins:0";
gpio_out_pin = <&lirc_pins>,"brcm,pins:0";
gpio_in_pin = <&lirc_pins>,"brcm,pins:4";
--
2.16.1