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[kernel/WeTek_Play] - add a network link led trigger which allows to bind leds to the link status of either eth (ethlink) or wifi (wifilink) via /sys/class/leds/<ledname>/trigger

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This commit is contained in:
Memphiz 2015-03-08 22:49:35 +01:00
parent 4f2f6d26d0
commit 5f11db6557
2 changed files with 128 additions and 0 deletions
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1
projects/WeTek_Play/linux/linux.arm.conf
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@ -3063,6 +3063,7 @@ CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_ONESHOT=y
CONFIG_LEDS_TRIGGER_REMOTE_CONTROL=y
CONFIG_LEDS_TRIGGER_NETWORK=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
CONFIG_LEDS_TRIGGER_CPU=y

127
projects/WeTek_Play/patches/linux/112-add-networklink-ledtrigger.patch Normal file
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@ -0,0 +1,127 @@
From 9d998299c324d107cfb663f5e1e1bdf435f1cc66 Mon Sep 17 00:00:00 2001
From: Memphiz <memphis@machzwo.de>
Date: Sun, 8 Mar 2015 22:11:34 +0100
Subject: [PATCH 3/6] [WeTek_Play] - add network link status ledtrigger -
allows to assign leds to weteks network link status (either eth or wifi)
---
drivers/leds/trigger/Kconfig | 7 +++
drivers/leds/trigger/Makefile | 1 +
drivers/leds/trigger/ledtrig-network.c | 79 ++++++++++++++++++++++++++++++++++
3 files changed, 87 insertions(+)
create mode 100644 drivers/leds/trigger/ledtrig-network.c
diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig
index e911914..4d889bb 100644
--- a/drivers/leds/trigger/Kconfig
+++ b/drivers/leds/trigger/Kconfig
@@ -48,6 +48,13 @@ config LEDS_TRIGGER_REMOTE_CONTROL
This allows LEDs to be controlled by Remote Control activity.
If unsure, say Y.
+config LEDS_TRIGGER_NETWORK
+ bool "LED network link trigger"
+ depends on LEDS_TRIGGERS
+ help
+ This allows LEDs to be controlled by network link status.
+ If unsure, say Y.
+
config LEDS_TRIGGER_HEARTBEAT
tristate "LED Heartbeat Trigger"
depends on LEDS_TRIGGERS
diff --git a/drivers/leds/trigger/Makefile b/drivers/leds/trigger/Makefile
index 868976b..4bbe38f 100644
--- a/drivers/leds/trigger/Makefile
+++ b/drivers/leds/trigger/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON) += ledtrig-default-on.o
obj-$(CONFIG_LEDS_TRIGGER_TRANSIENT) += ledtrig-transient.o
obj-$(CONFIG_LEDS_TRIGGER_CAMERA) += ledtrig-camera.o
obj-$(CONFIG_LEDS_TRIGGER_REMOTE_CONTROL) += ledtrig-remote-control.o
+obj-$(CONFIG_LEDS_TRIGGER_NETWORK) += ledtrig-network.o
diff --git a/drivers/leds/trigger/ledtrig-network.c b/drivers/leds/trigger/ledtrig-network.c
new file mode 100644
index 0000000..790aa10
--- /dev/null
+++ b/drivers/leds/trigger/ledtrig-network.c
@@ -0,0 +1,79 @@
+/*
+ * LED Network Trigger
+ *
+ * Copyright 2015 Memphiz (memphiz@kodi.tv)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/timer.h>
+#include <linux/leds.h>
+
+void ledtrig_eth_linkup(struct led_classdev *led_cdev);
+void ledtrig_eth_linkdown(struct led_classdev *led_cdev);
+void ledtrig_wifi_linkup(struct led_classdev *led_cdev);
+void ledtrig_wifi_linkdown(struct led_classdev *led_cdev);
+
+static struct led_trigger ledtrig_eth = {
+ .name = "ethlink",
+ .activate = ledtrig_eth_linkup,
+ .deactivate = ledtrig_eth_linkdown,
+};
+
+static struct led_trigger ledtrig_wifi = {
+ .name = "wifilink",
+ .activate = ledtrig_wifi_linkup,
+ .deactivate = ledtrig_wifi_linkdown,
+};
+
+void ledtrig_eth_linkup(struct led_classdev *led_cdev)
+{
+ led_trigger_event(&ledtrig_eth, INT_MAX);
+}
+EXPORT_SYMBOL(ledtrig_eth_linkup);
+
+void ledtrig_eth_linkdown(struct led_classdev *led_cdev)
+{
+ led_trigger_event(&ledtrig_eth, LED_OFF);
+}
+EXPORT_SYMBOL(ledtrig_eth_linkdown);
+
+void ledtrig_wifi_linkup(struct led_classdev *led_cdev)
+{
+ led_trigger_event(&ledtrig_wifi, INT_MAX);
+}
+EXPORT_SYMBOL(ledtrig_wifi_linkup);
+
+void ledtrig_wifi_linkdown(struct led_classdev *led_cdev)
+{
+ led_trigger_event(&ledtrig_wifi, LED_OFF);
+}
+EXPORT_SYMBOL(ledtrig_wifi_linkdown);
+
+static int __init ledtrig_network_init(void)
+{
+ led_trigger_register(&ledtrig_eth);
+ led_trigger_register(&ledtrig_wifi);
+ return 0;
+}
+
+static void __exit ledtrig_network_exit(void)
+{
+ led_trigger_unregister(&ledtrig_eth);
+ led_trigger_unregister(&ledtrig_wifi);
+}
+
+module_init(ledtrig_network_init);
+module_exit(ledtrig_network_exit);
+
+MODULE_AUTHOR("Memphiz <memphiz@kodi.tv>");
+MODULE_DESCRIPTION("LED Network link trigger");
+MODULE_LICENSE("GPL");
+
--
1.9.3 (Apple Git-50)