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[WeTek_Play] - add remote control ledtrigger - allows to flash the led whenever input is registered (f.e. from the remote)

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This commit is contained in:
Memphiz 2015-01-19 11:59:01 +01:00
parent e7e1d221d7
commit 67a853d759
2 changed files with 166 additions and 0 deletions
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1
projects/WeTek_Play/linux/linux.arm.conf
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@ -2972,6 +2972,7 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_CPU=y CONFIG_LEDS_TRIGGER_CPU=y
CONFIG_LEDS_TRIGGER_GPIO=y CONFIG_LEDS_TRIGGER_GPIO=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_LEDS_TRIGGER_REMOTE_CONTROL=y
# #
# iptables trigger is under Netfilter config (LED target) # iptables trigger is under Netfilter config (LED target)

165
projects/WeTek_Play/patches/linux/111-add-remote-control-ledtrigger.patch Normal file
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@ -0,0 +1,165 @@
From 4ac75e4f0aa7b1be61fe4a495248a11f49d3f204 Mon Sep 17 00:00:00 2001
From: Memphiz <memphis@machzwo.de>
Date: Mon, 19 Jan 2015 20:27:36 +0100
Subject: [PATCH] [LED] - add remote control ledtrigger
---
drivers/input/input.c | 13 ++++-
drivers/leds/trigger/Kconfig | 7 +++
drivers/leds/trigger/Makefile | 1 +
drivers/leds/trigger/ledtrig-remote-control.c | 76 +++++++++++++++++++++++++++
4 files changed, 96 insertions(+), 1 deletion(-)
create mode 100644 drivers/leds/trigger/ledtrig-remote-control.c
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a161021..08829e3 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -28,6 +28,11 @@
#include <linux/mutex.h>
#include <linux/rcupdate.h>
#include "input-compat.h"
+// Led Trigger Support.
+#ifdef CONFIG_LEDS_TRIGGER_REMOTE_CONTROL
+#include <linux/leds.h>
+extern void ledtrig_rc_activity(struct led_classdev *led_cdev);
+#endif
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("Input core");
@@ -179,9 +184,12 @@ static void input_repeat_key(unsigned long data)
{
struct input_dev *dev = (void *) data;
unsigned long flags;
-
+#ifdef CONFIG_LEDS_TRIGGER_REMOTE_CONTROL
+ ledtrig_rc_activity(NULL);
+#endif
spin_lock_irqsave(&dev->event_lock, flags);
+
if (test_bit(dev->repeat_key, dev->key) &&
is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
struct input_value vals[] = {
@@ -427,6 +435,9 @@ void input_event(struct input_dev *dev,
if (is_event_supported(type, dev->evbit, EV_MAX)) {
+#ifdef CONFIG_LEDS_TRIGGER_REMOTE_CONTROL
+ledtrig_rc_activity(NULL);
+#endif
spin_lock_irqsave(&dev->event_lock, flags);
input_handle_event(dev, type, code, value);
spin_unlock_irqrestore(&dev->event_lock, flags);
diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig
index 49794b4..e911914 100644
--- a/drivers/leds/trigger/Kconfig
+++ b/drivers/leds/trigger/Kconfig
@@ -41,6 +41,13 @@ config LEDS_TRIGGER_IDE_DISK
This allows LEDs to be controlled by IDE disk activity.
If unsure, say Y.
+config LEDS_TRIGGER_REMOTE_CONTROL
+ bool "LED Remote Control Trigger"
+ depends on AM_REMOTE
+ help
+ This allows LEDs to be controlled by Remote Control activity.
+ 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 1abf48d..868976b 100644
--- a/drivers/leds/trigger/Makefile
+++ b/drivers/leds/trigger/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_LEDS_TRIGGER_CPU) += ledtrig-cpu.o
obj-$(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
diff --git a/drivers/leds/trigger/ledtrig-remote-control.c b/drivers/leds/trigger/ledtrig-remote-control.c
new file mode 100644
index 0000000..96dc71a
--- /dev/null
+++ b/drivers/leds/trigger/ledtrig-remote-control.c
@@ -0,0 +1,76 @@
+/*
+ * LED Remote Control Activity Trigger
+ *
+ * Copyright 2015 Memphiz (memphiz@kodi.tv)
+ * Copyright 2013 Rene van Dorst
+ * Copyright 2006 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * 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>
+
+/* Delay on in mSec */
+ #define delay_on 20
+
+static void ledtrig_rc_timerfunc(unsigned long data);
+
+
+static DEFINE_TIMER(ledtrig_rc_timer, ledtrig_rc_timerfunc, 0, 0);
+static int rc_activity;
+static int rc_lastactivity;
+
+void ledtrig_rc_activity(struct led_classdev *led_cdev)
+{
+ rc_activity++;
+ if (!timer_pending(&ledtrig_rc_timer))
+ mod_timer(&ledtrig_rc_timer, jiffies + msecs_to_jiffies(delay_on));
+}
+EXPORT_SYMBOL(ledtrig_rc_activity);
+
+static struct led_trigger ledtrig_rc = {
+ .name = "rc",
+ .activate = ledtrig_rc_activity,
+};
+
+
+static void ledtrig_rc_timerfunc(unsigned long data)
+{
+ if (rc_lastactivity != rc_activity) {
+ rc_lastactivity = rc_activity;
+ /* INT_MAX will set each LED to its maximum brightness */
+ led_trigger_event(&ledtrig_rc, LED_OFF);
+ mod_timer(&ledtrig_rc_timer, jiffies + msecs_to_jiffies(delay_on));
+ } else {
+ led_trigger_event(&ledtrig_rc, INT_MAX);
+ }
+}
+
+static int __init ledtrig_rc_init(void)
+{
+ led_trigger_register(&ledtrig_rc);
+ return 0;
+}
+
+static void __exit ledtrig_rc_exit(void)
+{
+ led_trigger_unregister(&ledtrig_rc);
+}
+
+module_init(ledtrig_rc_init);
+module_exit(ledtrig_rc_exit);
+
+MODULE_AUTHOR("Memphiz <memphiz@kodi.tv>");
+MODULE_DESCRIPTION("LED Remote Control Activity Trigger");
+MODULE_LICENSE("GPL");
+
--
1.9.3 (Apple Git-50)