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leds: lt3593: Use generic support for composing LED names 

Switch to using generic LED support for composing LED class
device name.

Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: Daniel Mack <daniel@zonque.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Jacek Anaszewski 2019-06-09 20:19:04 +02:00
parent e12e91a412
commit 68e192078e
1 changed files with 8 additions and 12 deletions
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20
drivers/leds/leds-lt3593.c
View File

@ -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;