1 files changed, 0 insertions, 236 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0916-leds-Add-the-actpwr-trigger.patch b/target/linux/bcm27xx/patches-5.4/950-0916-leds-Add-the-actpwr-trigger.patch
deleted file mode 100644
index 2f0aaa0006..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0916-leds-Add-the-actpwr-trigger.patch
+++ /dev/null
@@ -1,236 +0,0 @@
-From 6586d75915287dd336b71e17826f037be7926ebe Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.com>
-Date: Mon, 13 Jul 2020 10:33:19 +0100
-Subject: [PATCH] leds: Add the actpwr trigger
-
-The actpwr trigger is a meta trigger that cycles between an inverted
-mmc0 and default-on. It is written in a way that could fairly easily
-be generalised to support alternative sets of source triggers.
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.com>
----
- drivers/leds/trigger/Kconfig          |  11 ++
- drivers/leds/trigger/Makefile         |   1 +
- drivers/leds/trigger/ledtrig-actpwr.c | 191 ++++++++++++++++++++++++++
- 3 files changed, 203 insertions(+)
- create mode 100644 drivers/leds/trigger/ledtrig-actpwr.c
-
---- a/drivers/leds/trigger/Kconfig
-+++ b/drivers/leds/trigger/Kconfig
-@@ -151,4 +151,15 @@ config LEDS_TRIGGER_AUDIO
- 	  the audio mute and mic-mute changes.
- 	  If unsure, say N
- 
-+config LEDS_TRIGGER_ACTPWR
-+	tristate "ACT/PWR Input Trigger"
-+	depends on LEDS_TRIGGERS
-+	help
-+	  This trigger is intended for platforms that have one software-
-+	  controllable LED and no dedicated activity or power LEDs, hence the
-+	  need to make the one LED perform both functions. It cycles between
-+	  default-on and an inverted mmc0 every 500ms, guaranteeing that it is
-+	  on for at least half of the time.
-+	  If unsure, say N.
-+
- endif # LEDS_TRIGGERS
---- a/drivers/leds/trigger/Makefile
-+++ b/drivers/leds/trigger/Makefile
-@@ -16,3 +16,4 @@ obj-$(CONFIG_LEDS_TRIGGER_PANIC)	+= ledt
- obj-$(CONFIG_LEDS_TRIGGER_NETDEV)	+= ledtrig-netdev.o
- obj-$(CONFIG_LEDS_TRIGGER_PATTERN)	+= ledtrig-pattern.o
- obj-$(CONFIG_LEDS_TRIGGER_AUDIO)	+= ledtrig-audio.o
-+obj-$(CONFIG_LEDS_TRIGGER_ACTPWR)	+= ledtrig-actpwr.o
---- /dev/null
-+++ b/drivers/leds/trigger/ledtrig-actpwr.c
-@@ -0,0 +1,191 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Activity/power trigger
-+ *
-+ * Copyright (C) 2020 Raspberry Pi (Trading) Ltd.
-+ *
-+ * Based on Atsushi Nemoto's ledtrig-heartbeat.c, although there may be
-+ * nothing left of the original now.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/timer.h>
-+#include <linux/leds.h>
-+#include "../leds.h"
-+
-+enum {
-+	TRIG_ACT,
-+	TRIG_PWR,
-+
-+	TRIG_COUNT
-+};
-+
-+struct actpwr_trig_src {
-+	const char *name;
-+	int interval;
-+	bool invert;
-+};
-+
-+struct actpwr_vled {
-+	struct led_classdev cdev;
-+	struct actpwr_trig_data *parent;
-+	enum led_brightness value;
-+	unsigned int interval;
-+	bool invert;
-+};
-+
-+struct actpwr_trig_data {
-+	struct led_trigger trig;
-+	struct actpwr_vled virt_leds[TRIG_COUNT];
-+	struct actpwr_vled *active;
-+	struct timer_list timer;
-+	int next_active;
-+};
-+
-+static int actpwr_trig_activate(struct led_classdev *led_cdev);
-+static void actpwr_trig_deactivate(struct led_classdev *led_cdev);
-+
-+static const struct actpwr_trig_src actpwr_trig_sources[TRIG_COUNT] = {
-+	[TRIG_ACT] = { "mmc0", 500, true },
-+	[TRIG_PWR] = { "default-on", 500, false },
-+};
-+
-+static struct actpwr_trig_data actpwr_data = {
-+	{
-+		.name     = "actpwr",
-+		.activate = actpwr_trig_activate,
-+		.deactivate = actpwr_trig_deactivate,
-+	}
-+};
-+
-+static void actpwr_brightness_set(struct led_classdev *led_cdev,
-+				  enum led_brightness value)
-+{
-+	struct actpwr_vled *vled = container_of(led_cdev, struct actpwr_vled,
-+					       cdev);
-+	struct actpwr_trig_data *trig = vled->parent;
-+
-+	if (vled->invert)
-+		value = !value;
-+	vled->value = value;
-+
-+	if (vled == trig->active)
-+		led_trigger_event(&trig->trig, value);
-+}
-+
-+static int actpwr_brightness_set_blocking(struct led_classdev *led_cdev,
-+					  enum led_brightness value)
-+{
-+	actpwr_brightness_set(led_cdev, value);
-+	return 0;
-+}
-+
-+static enum led_brightness actpwr_brightness_get(struct led_classdev *led_cdev)
-+{
-+	struct actpwr_vled *vled = container_of(led_cdev, struct actpwr_vled,
-+					      cdev);
-+
-+	return vled->value;
-+}
-+
-+static void actpwr_trig_cycle(struct timer_list *t)
-+{
-+	struct actpwr_trig_data *trig  = &actpwr_data;
-+	struct actpwr_vled *active;
-+	enum led_brightness value;
-+
-+	active = &trig->virt_leds[trig->next_active];
-+	trig->active = active;
-+	trig->next_active = (trig->next_active + 1) % TRIG_COUNT;
-+
-+	led_trigger_event(&trig->trig, active->value);
-+
-+	mod_timer(&trig->timer, jiffies + msecs_to_jiffies(active->interval));
-+}
-+
-+static int actpwr_trig_activate(struct led_classdev *led_cdev)
-+{
-+	struct actpwr_trig_data *trig  = &actpwr_data;
-+
-+	/* Start the timer if this is the first LED */
-+	if (!trig->active)
-+		actpwr_trig_cycle(&trig->timer);
-+	else
-+		led_set_brightness_nosleep(led_cdev, trig->active->value);
-+
-+	return 0;
-+}
-+
-+static void actpwr_trig_deactivate(struct led_classdev *led_cdev)
-+{
-+	struct actpwr_trig_data *trig  = &actpwr_data;
-+
-+	if (list_empty(&trig->trig.led_cdevs)) {
-+		del_timer_sync(&trig->timer);
-+		trig->active = NULL;
-+	}
-+}
-+
-+static int __init actpwr_trig_init(void)
-+{
-+	struct actpwr_trig_data *trig  = &actpwr_data;
-+	int ret = 0;
-+	int i;
-+
-+	timer_setup(&trig->timer, actpwr_trig_cycle, 0);
-+
-+	/* Register one "LED" for each source trigger */
-+	for (i = 0; i < TRIG_COUNT; i++)
-+	{
-+		struct actpwr_vled *vled = &trig->virt_leds[i];
-+		struct led_classdev *cdev = &vled->cdev;
-+		const struct actpwr_trig_src *src = &actpwr_trig_sources[i];
-+
-+		vled->parent = trig;
-+		vled->interval = src->interval;
-+		vled->invert = src->invert;
-+		cdev->name = src->name;
-+		cdev->brightness_set = actpwr_brightness_set;
-+		cdev->brightness_set_blocking = actpwr_brightness_set_blocking;
-+		cdev->brightness_get = actpwr_brightness_get;
-+		cdev->default_trigger = src->name;
-+		ret = led_classdev_register(NULL, cdev);
-+		if (ret)
-+			goto error_classdev;
-+	}
-+
-+	ret = led_trigger_register(&trig->trig);
-+	if (ret)
-+		goto error_classdev;
-+
-+	return 0;
-+
-+error_classdev:
-+	while (i > 0)
-+	{
-+		i--;
-+		led_classdev_unregister(&trig->virt_leds[i].cdev);
-+	}
-+
-+	return ret;
-+}
-+
-+static void __exit actpwr_trig_exit(void)
-+{
-+	int i;
-+
-+	led_trigger_unregister(&actpwr_data.trig);
-+	for (i = 0; i < TRIG_COUNT; i++)
-+	{
-+		led_classdev_unregister(&actpwr_data.virt_leds[i].cdev);
-+	}
-+}
-+
-+module_init(actpwr_trig_init);
-+module_exit(actpwr_trig_exit);
-+
-+MODULE_AUTHOR("Phil Elwell <phil@raspberrypi.com>");
-+MODULE_DESCRIPTION("ACT/PWR LED trigger");
-+MODULE_LICENSE("GPL v2");