add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/leds/leds-cr0014114.c
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@@ -8,7 +8,6 @@
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 #include <linux/of_device.h>
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 #include <linux/spi/spi.h>
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 #include <linux/workqueue.h>
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-#include <uapi/linux/uleds.h>
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 /*
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  *  CR0014114 SPI protocol descrtiption:
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@@ -40,8 +39,9 @@
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 #define CR_FW_DELAY_MSEC	10
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 #define CR_RECOUNT_DELAY	(HZ * 3600)
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+#define CR_DEV_NAME		"cr0014114"
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+
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 struct cr0014114_led {
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-	char			name[LED_MAX_NAME_SIZE];
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 	struct cr0014114	*priv;
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 	struct led_classdev	ldev;
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 	u8			brightness;
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@@ -167,8 +167,7 @@
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 						    struct cr0014114_led,
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 						    ldev);
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-	dev_dbg(led->priv->dev, "Set brightness of %s to %d\n",
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-		led->name, brightness);
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+	dev_dbg(led->priv->dev, "Set brightness to %d\n", brightness);
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 	mutex_lock(&led->priv->lock);
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 	led->brightness = (u8)brightness;
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@@ -183,41 +182,28 @@
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 	size_t			i = 0;
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 	struct cr0014114_led	*led;
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 	struct fwnode_handle	*child;
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-	struct device_node	*np;
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+	struct led_init_data	init_data = {};
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 	int			ret;
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-	const char		*str;
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 	device_for_each_child_node(priv->dev, child) {
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-		np = to_of_node(child);
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 		led = &priv->leds[i];
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-		ret = fwnode_property_read_string(child, "label", &str);
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-		if (ret)
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-			snprintf(led->name, sizeof(led->name),
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-				 "cr0014114::");
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-		else
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-			snprintf(led->name, sizeof(led->name),
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-				 "cr0014114:%s", str);
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-
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-		fwnode_property_read_string(child, "linux,default-trigger",
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-					    &led->ldev.default_trigger);
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-
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 		led->priv			  = priv;
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-		led->ldev.name			  = led->name;
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 		led->ldev.max_brightness	  = CR_MAX_BRIGHTNESS;
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 		led->ldev.brightness_set_blocking = cr0014114_set_sync;
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-		ret = devm_of_led_classdev_register(priv->dev, np,
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-						    &led->ldev);
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+		init_data.fwnode = child;
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+		init_data.devicename = CR_DEV_NAME;
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+		init_data.default_label = ":";
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+
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+		ret = devm_led_classdev_register_ext(priv->dev, &led->ldev,
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+						     &init_data);
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 		if (ret) {
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 			dev_err(priv->dev,
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-				"failed to register LED device %s, err %d",
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-				led->name, ret);
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+				"failed to register LED device, err %d", ret);
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 			fwnode_handle_put(child);
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 			return ret;
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 		}
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-
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-		led->ldev.dev->of_node = np;
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 		i++;
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 	}