add backlight control to media-center overlay

raspberrypi · Jan 2, 2018 · 8b2298b · 8b2298b
1 parent ca592bd
commit 8b2298b
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Showing 2 changed files with 10 additions and 7 deletions.
diff --git 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
@@ -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";