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46 lines
1.9 KiB
46 lines
1.9 KiB
6 years ago
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From 857e7afb6b7b60adb1f9ed9e05c3ced0c5ef7370 Mon Sep 17 00:00:00 2001
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From: Aaron Shaw <shawaj@gmail.com>
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Date: Thu, 28 Dec 2017 17:34:54 +0000
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Subject: [PATCH 145/454] add backlight control to media-center overlay
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---
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arch/arm/boot/dts/overlays/README | 1 +
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.../boot/dts/overlays/media-center-overlay.dts | 16 +++++++++-------
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2 files changed, 10 insertions(+), 7 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -1002,6 +1002,7 @@ Params: speed Display
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fps Delay between frame updates
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xohms Touchpanel sensitivity (X-plate resistance)
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swapxy Swap x and y axis
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+ backlight Change backlight GPIO pin {e.g. 12, 18}
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gpio_out_pin GPIO for output (default "17")
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gpio_in_pin GPIO for input (default "18")
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gpio_in_pull Pull up/down/off on the input pin
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--- a/arch/arm/boot/dts/overlays/media-center-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/media-center-overlay.dts
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@@ -113,13 +113,15 @@
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};
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__overrides__ {
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- speed = <&rpidisplay>,"spi-max-frequency:0";
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- rotate = <&rpidisplay>,"rotate:0";
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- fps = <&rpidisplay>,"fps:0";
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- debug = <&rpidisplay>,"debug:0",
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- <&lirc_rpi>,"rpi,debug:0";
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- xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
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- swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
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+ speed = <&rpidisplay>,"spi-max-frequency:0";
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+ rotate = <&rpidisplay>,"rotate:0";
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+ fps = <&rpidisplay>,"fps:0";
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+ debug = <&rpidisplay>,"debug:0",
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+ <&lirc_rpi>,"rpi,debug:0";
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+ xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
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+ swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
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+ backlight = <&rpidisplay>,"led-gpios:4",
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+ <&rpi_display_pins>,"brcm,pins:0";
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gpio_out_pin = <&lirc_pins>,"brcm,pins:0";
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gpio_in_pin = <&lirc_pins>,"brcm,pins:4";
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