From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/leds/trigger/ledtrig-oneshot.c | 43 +++++++++++++++++++++++++++++++++++++------
1 files changed, 37 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/leds/trigger/ledtrig-oneshot.c b/kernel/drivers/leds/trigger/ledtrig-oneshot.c
index 95c9be4..bee3bd4 100644
--- a/kernel/drivers/leds/trigger/ledtrig-oneshot.c
+++ b/kernel/drivers/leds/trigger/ledtrig-oneshot.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* One-shot LED Trigger
*
* Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com>
*
* Based on ledtrig-timer.c by 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>
@@ -130,6 +127,34 @@
};
ATTRIBUTE_GROUPS(oneshot_trig);
+static void pattern_init(struct led_classdev *led_cdev)
+{
+ u32 *pattern;
+ unsigned int size = 0;
+
+ pattern = led_get_default_pattern(led_cdev, &size);
+ if (!pattern)
+ goto out_default;
+
+ if (size != 2) {
+ dev_warn(led_cdev->dev,
+ "Expected 2 but got %u values for delays pattern\n",
+ size);
+ goto out_default;
+ }
+
+ led_cdev->blink_delay_on = pattern[0];
+ led_cdev->blink_delay_off = pattern[1];
+ kfree(pattern);
+
+ return;
+
+out_default:
+ kfree(pattern);
+ led_cdev->blink_delay_on = DEFAULT_DELAY;
+ led_cdev->blink_delay_off = DEFAULT_DELAY;
+}
+
static int oneshot_trig_activate(struct led_classdev *led_cdev)
{
struct oneshot_trig_data *oneshot_data;
@@ -140,8 +165,14 @@
led_set_trigger_data(led_cdev, oneshot_data);
- led_cdev->blink_delay_on = DEFAULT_DELAY;
- led_cdev->blink_delay_off = DEFAULT_DELAY;
+ if (led_cdev->flags & LED_INIT_DEFAULT_TRIGGER) {
+ pattern_init(led_cdev);
+ /*
+ * Mark as initialized even on pattern_init() error because
+ * any consecutive call to it would produce the same error.
+ */
+ led_cdev->flags &= ~LED_INIT_DEFAULT_TRIGGER;
+ }
return 0;
}
--
Gitblit v1.6.2