leds: lt3593: Use generic support for composing LED names (68e19207) · Commits · 戴 / test

drivers/leds/leds-lt3593.c

+8 −12

Original line number	Diff line number	Diff line
		@@ -10,10 +10,10 @@
		#include <linux/slab.h>
		#include <linux/module.h>
		#include <linux/of.h>
		#include <uapi/linux/uleds.h>

		#define LED_LT3593_NAME "lt3593"

		struct lt3593_led_data {
		char name[LED_MAX_NAME_SIZE];
		struct led_classdev cdev;
		struct gpio_desc *gpiod;
		};
		@@ -66,6 +66,7 @@ static int lt3593_led_probe(struct platform_device *pdev)
		struct lt3593_led_data *led_data;
		struct fwnode_handle *child;
		int ret, state = LEDS_GPIO_DEFSTATE_OFF;
		struct led_init_data init_data = {};
		const char *tmp;

		if (!dev->of_node)
		@@ -86,14 +87,6 @@ static int lt3593_led_probe(struct platform_device *pdev)

		child = device_get_next_child_node(dev, NULL);

		ret = fwnode_property_read_string(child, "label", &tmp);
		if (ret < 0)
		snprintf(led_data->name, sizeof(led_data->name),
		"lt3593::");
		else
		snprintf(led_data->name, sizeof(led_data->name),
		"lt3593:%s", tmp);

		fwnode_property_read_string(child, "linux,default-trigger",
		&led_data->cdev.default_trigger);

		@@ -102,11 +95,14 @@ static int lt3593_led_probe(struct platform_device *pdev)
		state = LEDS_GPIO_DEFSTATE_ON;
		}

		led_data->cdev.name = led_data->name;
		led_data->cdev.brightness_set_blocking = lt3593_led_set;
		led_data->cdev.brightness = state ? LED_FULL : LED_OFF;

		ret = devm_led_classdev_register(dev, &led_data->cdev);
		init_data.fwnode = child;
		init_data.devicename = LED_LT3593_NAME;
		init_data.default_label = ":";

		ret = devm_led_classdev_register_ext(dev, &led_data->cdev, &init_data);
		if (ret < 0) {
		fwnode_handle_put(child);
		return ret;