From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/leds/leds-tlc591xx.c | 112 ++++++++++++++++++--------------------------------------
1 files changed, 36 insertions(+), 76 deletions(-)
diff --git a/kernel/drivers/leds/leds-tlc591xx.c b/kernel/drivers/leds/leds-tlc591xx.c
index f5357f6..cb7bd13 100644
--- a/kernel/drivers/leds/leds-tlc591xx.c
+++ b/kernel/drivers/leds/leds-tlc591xx.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014 Belkin Inc.
* Copyright 2015 Andrew Lunn <andrew@lunn.ch>
- *
- * 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; version 2 of the License.
*/
#include <linux/i2c.h>
@@ -16,6 +13,7 @@
#include <linux/slab.h>
#define TLC591XX_MAX_LEDS 16
+#define TLC591XX_MAX_BRIGHTNESS 256
#define TLC591XX_REG_MODE1 0x00
#define MODE1_RESPON_ADDR_MASK 0xF0
@@ -115,11 +113,11 @@
struct tlc591xx_priv *priv = led->priv;
int err;
- switch (brightness) {
+ switch ((int)brightness) {
case 0:
err = tlc591xx_set_ledout(priv, led, LEDOUT_OFF);
break;
- case LED_FULL:
+ case TLC591XX_MAX_BRIGHTNESS:
err = tlc591xx_set_ledout(priv, led, LEDOUT_ON);
break;
default:
@@ -128,51 +126,6 @@
err = tlc591xx_set_pwm(priv, led, brightness);
}
- return err;
-}
-
-static void
-tlc591xx_destroy_devices(struct tlc591xx_priv *priv, unsigned int j)
-{
- int i = j;
-
- while (--i >= 0) {
- if (priv->leds[i].active)
- led_classdev_unregister(&priv->leds[i].ldev);
- }
-}
-
-static int
-tlc591xx_configure(struct device *dev,
- struct tlc591xx_priv *priv,
- const struct tlc591xx *tlc591xx)
-{
- unsigned int i;
- int err = 0;
-
- tlc591xx_set_mode(priv->regmap, MODE2_DIM);
- for (i = 0; i < TLC591XX_MAX_LEDS; i++) {
- struct tlc591xx_led *led = &priv->leds[i];
-
- if (!led->active)
- continue;
-
- led->priv = priv;
- led->led_no = i;
- led->ldev.brightness_set_blocking = tlc591xx_brightness_set;
- led->ldev.max_brightness = LED_FULL;
- err = led_classdev_register(dev, &led->ldev);
- if (err < 0) {
- dev_err(dev, "couldn't register LED %s\n",
- led->ldev.name);
- goto exit;
- }
- }
-
- return 0;
-
-exit:
- tlc591xx_destroy_devices(priv, i);
return err;
}
@@ -195,22 +148,21 @@
tlc591xx_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- struct device_node *np = client->dev.of_node, *child;
+ struct device_node *np, *child;
struct device *dev = &client->dev;
- const struct of_device_id *match;
const struct tlc591xx *tlc591xx;
struct tlc591xx_priv *priv;
int err, count, reg;
- match = of_match_device(of_tlc591xx_leds_match, dev);
- if (!match)
- return -ENODEV;
-
- tlc591xx = match->data;
+ np = dev_of_node(dev);
if (!np)
return -ENODEV;
- count = of_get_child_count(np);
+ tlc591xx = device_get_match_data(dev);
+ if (!tlc591xx)
+ return -ENODEV;
+
+ count = of_get_available_child_count(np);
if (!count || count > tlc591xx->max_leds)
return -EINVAL;
@@ -228,7 +180,16 @@
i2c_set_clientdata(client, priv);
- for_each_child_of_node(np, child) {
+ err = tlc591xx_set_mode(priv->regmap, MODE2_DIM);
+ if (err < 0)
+ return err;
+
+ for_each_available_child_of_node(np, child) {
+ struct tlc591xx_led *led;
+ struct led_init_data init_data = {};
+
+ init_data.fwnode = of_fwnode_handle(child);
+
err = of_property_read_u32(child, "reg", ®);
if (err) {
of_node_put(child);
@@ -239,22 +200,22 @@
of_node_put(child);
return -EINVAL;
}
- priv->leds[reg].active = true;
- priv->leds[reg].ldev.name =
- of_get_property(child, "label", NULL) ? : child->name;
- priv->leds[reg].ldev.default_trigger =
- of_get_property(child, "linux,default-trigger", NULL);
+ led = &priv->leds[reg];
+
+ led->active = true;
+ led->priv = priv;
+ led->led_no = reg;
+ led->ldev.brightness_set_blocking = tlc591xx_brightness_set;
+ led->ldev.max_brightness = TLC591XX_MAX_BRIGHTNESS;
+ err = devm_led_classdev_register_ext(dev, &led->ldev,
+ &init_data);
+ if (err < 0) {
+ of_node_put(child);
+ return dev_err_probe(dev, err,
+ "couldn't register LED %s\n",
+ led->ldev.name);
+ }
}
- return tlc591xx_configure(dev, priv, tlc591xx);
-}
-
-static int
-tlc591xx_remove(struct i2c_client *client)
-{
- struct tlc591xx_priv *priv = i2c_get_clientdata(client);
-
- tlc591xx_destroy_devices(priv, TLC591XX_MAX_LEDS);
-
return 0;
}
@@ -271,7 +232,6 @@
.of_match_table = of_match_ptr(of_tlc591xx_leds_match),
},
.probe = tlc591xx_probe,
- .remove = tlc591xx_remove,
.id_table = tlc591xx_id,
};
--
Gitblit v1.6.2