target/linux/brcm2708/patches-4.14/950-0144-add-backlight-control-to-rpi-display-overlay.patch

   1 From 68ad84eea4f5a100756faf1c393b16fbd1468b55 Mon Sep 17 00:00:00 2001
   2 From: Aaron Shaw <shawaj@gmail.com>
   3 Date: Thu, 28 Dec 2017 17:31:52 +0000
   4 Subject: [PATCH 144/454] add backlight control to rpi-display overlay
   5
   6 ---
   7  arch/arm/boot/dts/overlays/README                  |  1 +
   8  arch/arm/boot/dts/overlays/rpi-display-overlay.dts | 14 ++++++++------
   9  2 files changed, 9 insertions(+), 6 deletions(-)
  10
  11 --- a/arch/arm/boot/dts/overlays/README
  12 +++ b/arch/arm/boot/dts/overlays/README
  13 @@ -1329,6 +1329,7 @@ Params: speed                   Display
  14          debug                   Debug output level {0-7}
  15          xohms                   Touchpanel sensitivity (X-plate resistance)
  16          swapxy                  Swap x and y axis
  17 +        backlight               Change backlight GPIO pin {e.g. 12, 18}
  18
  19
  20  Name:   rpi-ft5406
  21 --- a/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
  22 +++ b/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
  23 @@ -79,11 +79,13 @@
  24                 };
  25         };
  26         __overrides__ {
  27 -               speed =   <&rpidisplay>,"spi-max-frequency:0";
  28 -               rotate =  <&rpidisplay>,"rotate:0";
  29 -               fps =     <&rpidisplay>,"fps:0";
  30 -               debug =   <&rpidisplay>,"debug:0";
  31 -               xohms =   <&rpidisplay_ts>,"ti,x-plate-ohms;0";
  32 -               swapxy =  <&rpidisplay_ts>,"ti,swap-xy?";
  33 +               speed =     <&rpidisplay>,"spi-max-frequency:0";
  34 +               rotate =    <&rpidisplay>,"rotate:0";
  35 +               fps =       <&rpidisplay>,"fps:0";
  36 +               debug =     <&rpidisplay>,"debug:0";
  37 +               xohms =     <&rpidisplay_ts>,"ti,x-plate-ohms;0";
  38 +               swapxy =    <&rpidisplay_ts>,"ti,swap-xy?";
  39 +               backlight = <&rpidisplay>,"led-gpios:4",
  40 +                           <&rpi_display_pins>,"brcm,pins:0";
  41         };
  42  };