From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/leds/leds-mt6323.c | 49 +++++++++++++++++++------------------------------
1 files changed, 19 insertions(+), 30 deletions(-)
diff --git a/kernel/drivers/leds/leds-mt6323.c b/kernel/drivers/leds/leds-mt6323.c
index 8893c74..f59e0e8 100644
--- a/kernel/drivers/leds/leds-mt6323.c
+++ b/kernel/drivers/leds/leds-mt6323.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* LED driver for Mediatek MT6323 PMIC
*
* Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/leds.h>
@@ -258,15 +249,6 @@
int ret;
/*
- * Units are in ms, if over the hardware able
- * to support, fallback into software blink
- */
- period = *delay_on + *delay_off;
-
- if (period > MT6323_MAX_PERIOD)
- return -EINVAL;
-
- /*
* LED subsystem requires a default user
* friendly blink pattern for the LED so using
* 1Hz duty cycle 50% here if without specific
@@ -276,6 +258,15 @@
*delay_on = 500;
*delay_off = 500;
}
+
+ /*
+ * Units are in ms, if over the hardware able
+ * to support, fallback into software blink
+ */
+ period = *delay_on + *delay_off;
+
+ if (period > MT6323_MAX_PERIOD)
+ return -EINVAL;
/*
* Calculate duty_hw based on the percentage of period during
@@ -351,11 +342,6 @@
const char *state;
int ret = 0;
- led->cdev.name = of_get_property(np, "label", NULL) ? : np->name;
- led->cdev.default_trigger = of_get_property(np,
- "linux,default-trigger",
- NULL);
-
state = of_get_property(np, "default-state", NULL);
if (state) {
if (!strcmp(state, "keep")) {
@@ -378,9 +364,9 @@
static int mt6323_led_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct device_node *np = pdev->dev.of_node;
+ struct device_node *np = dev_of_node(dev);
struct device_node *child;
- struct mt6397_chip *hw = dev_get_drvdata(pdev->dev.parent);
+ struct mt6397_chip *hw = dev_get_drvdata(dev->parent);
struct mt6323_leds *leds;
struct mt6323_led *led;
int ret;
@@ -411,6 +397,8 @@
}
for_each_available_child_of_node(np, child) {
+ struct led_init_data init_data = {};
+
ret = of_property_read_u32(child, "reg", ®);
if (ret) {
dev_err(dev, "Failed to read led 'reg' property\n");
@@ -446,13 +434,14 @@
goto put_child_node;
}
- ret = devm_led_classdev_register(dev, &leds->led[reg]->cdev);
+ init_data.fwnode = of_fwnode_handle(child);
+
+ ret = devm_led_classdev_register_ext(dev, &leds->led[reg]->cdev,
+ &init_data);
if (ret) {
- dev_err(&pdev->dev, "Failed to register LED: %d\n",
- ret);
+ dev_err(dev, "Failed to register LED: %d\n", ret);
goto put_child_node;
}
- leds->led[reg]->cdev.dev->of_node = child;
}
return 0;
--
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