zuckerberg/pinecube-nixos
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Fix IR LED ACTIVE_HIGH

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This commit is contained in:
Daniel Fullmer 2020-10-23 16:26:33 -07:00
parent 1daea67bbd
commit 642f9ee90e
4 changed files with 34 additions and 3 deletions
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2
README.md
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@ -33,8 +33,6 @@ $ mpv "rtmp://192.168.1.200/live/pinecube" --profile=low-latency --cache-secs=1
$ echo 1 > /sys/class/leds/pine64\:ir\:led1/brightness $ echo 1 > /sys/class/leds/pine64\:ir\:led1/brightness
$ echo 1 > /sys/class/leds/pine64\:ir\:led2/brightness $ echo 1 > /sys/class/leds/pine64\:ir\:led2/brightness
``` ```
(Except they seem to be reversed. Setting 0 brightness turns them on, setting 1 turns them off)
Change it to `ACTIVE_HIGH` in dtb?
## GPIO: ## GPIO:
https://linux-sunxi.org/GPIO https://linux-sunxi.org/GPIO

3
configuration.nix
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@ -33,7 +33,7 @@ in
boot.kernelPackages = pkgs.linuxPackages_5_9; boot.kernelPackages = pkgs.linuxPackages_5_9;
boot.kernelPatches = [ boot.kernelPatches = [
{ name = "pine64-pinecube"; { name = "pine64-pinecube";
patch = ./Pine64-PineCube-support.patch; patch = ./kernel/Pine64-PineCube-support.patch;
# sunxi_defconfig is missing wireless support # sunxi_defconfig is missing wireless support
# TODO: Are all of these options needed here? # TODO: Are all of these options needed here?
extraConfig = '' extraConfig = ''
@ -45,6 +45,7 @@ in
RFKILL_GPIO y RFKILL_GPIO y
''; '';
} }
{ name = "pinecube-ir-leds"; patch = ./kernel/0001-ARM-dts-sun8i-s3l-fix-Pinecube-IR-LEDs.patch; }
]; ];
boot.extraModulePackages = [ config.boot.kernelPackages.rtl8189es ]; boot.extraModulePackages = [ config.boot.kernelPackages.rtl8189es ];

32
kernel/0001-ARM-dts-sun8i-s3l-fix-Pinecube-IR-LEDs.patch Normal file
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@ -0,0 +1,32 @@
From 7ad2976267f04f3b29327e470c9698bd689775d8 Mon Sep 17 00:00:00 2001
From: Daniel Fullmer <danielrf12@gmail.com>
Date: Fri, 23 Oct 2020 16:04:15 -0700
Subject: [PATCH 1/2] ARM: dts: sun8i: s3l: fix Pinecube IR LEDs
Signed-off-by: Daniel Fullmer <danielrf12@gmail.com>
---
arch/arm/boot/dts/sun8i-s3-pinecube.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-s3-pinecube.dts b/arch/arm/boot/dts/sun8i-s3-pinecube.dts
index 9bab6b7f4014..a4adf52ef406 100644
--- a/arch/arm/boot/dts/sun8i-s3-pinecube.dts
+++ b/arch/arm/boot/dts/sun8i-s3-pinecube.dts
@@ -25,12 +25,12 @@ leds {
led1 {
label = "pine64:ir:led1";
- gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
+ gpios = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
};
led2 {
label = "pine64:ir:led2";
- gpios = <&pio 1 12 GPIO_ACTIVE_LOW>; /* PB12 */
+ gpios = <&pio 1 12 GPIO_ACTIVE_HIGH>; /* PB12 */
};
};
--
2.28.0

0
Pine64-PineCube-support.patch → kernel/Pine64-PineCube-support.patch
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