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-gpio.c | 20 ++++++++++----------
1 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/kernel/drivers/leds/trigger/ledtrig-gpio.c b/kernel/drivers/leds/trigger/ledtrig-gpio.c
index ed0db8e..0120faa 100644
--- a/kernel/drivers/leds/trigger/ledtrig-gpio.c
+++ b/kernel/drivers/leds/trigger/ledtrig-gpio.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ledtrig-gio.c - LED Trigger Based on GPIO events
*
* Copyright 2009 Felipe Balbi <me@felipebalbi.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>
@@ -102,7 +99,8 @@
gpio_data->inverted = inverted;
/* After inverting, we need to update the LED. */
- gpio_trig_irq(0, led);
+ if (gpio_is_valid(gpio_data->gpio))
+ gpio_trig_irq(0, led);
return n;
}
@@ -134,10 +132,10 @@
if (gpio_data->gpio == gpio)
return n;
- if (!gpio) {
- if (gpio_data->gpio != 0)
+ if (!gpio_is_valid(gpio)) {
+ if (gpio_is_valid(gpio_data->gpio))
free_irq(gpio_to_irq(gpio_data->gpio), led);
- gpio_data->gpio = 0;
+ gpio_data->gpio = gpio;
return n;
}
@@ -147,7 +145,7 @@
if (ret) {
dev_err(dev, "request_irq failed with error %d\n", ret);
} else {
- if (gpio_data->gpio != 0)
+ if (gpio_is_valid(gpio_data->gpio))
free_irq(gpio_to_irq(gpio_data->gpio), led);
gpio_data->gpio = gpio;
/* After changing the GPIO, we need to update the LED. */
@@ -175,6 +173,8 @@
return -ENOMEM;
gpio_data->led = led;
+ gpio_data->gpio = -ENOENT;
+
led_set_trigger_data(led, gpio_data);
return 0;
@@ -184,7 +184,7 @@
{
struct gpio_trig_data *gpio_data = led_get_trigger_data(led);
- if (gpio_data->gpio != 0)
+ if (gpio_is_valid(gpio_data->gpio))
free_irq(gpio_to_irq(gpio_data->gpio), led);
kfree(gpio_data);
}
--
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