1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
From 857e7afb6b7b60adb1f9ed9e05c3ced0c5ef7370 Mon Sep 17 00:00:00 2001
From: Aaron Shaw <shawaj@gmail.com>
Date: Thu, 28 Dec 2017 17:34:54 +0000
Subject: [PATCH 145/454] add backlight control to media-center overlay
---
arch/arm/boot/dts/overlays/README | 1 +
.../boot/dts/overlays/media-center-overlay.dts | 16 +++++++++-------
2 files changed, 10 insertions(+), 7 deletions(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1002,6 +1002,7 @@ Params: speed Display
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
--- 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";
|
