--- zzzz-none-000/linux-3.10.107/drivers/leds/leds-lp5562.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/leds/leds-lp5562.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,10 +13,10 @@
 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/i2c.h>
-#include <linux/init.h>
 #include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
 
@@ -346,9 +346,9 @@
 /* check the size of program count */
 static inline bool _is_pc_overflow(struct lp55xx_predef_pattern *ptn)
 {
-	return (ptn->size_r >= LP5562_PROGRAM_LENGTH ||
-		ptn->size_g >= LP5562_PROGRAM_LENGTH ||
-		ptn->size_b >= LP5562_PROGRAM_LENGTH);
+	return ptn->size_r >= LP5562_PROGRAM_LENGTH ||
+	       ptn->size_g >= LP5562_PROGRAM_LENGTH ||
+	       ptn->size_b >= LP5562_PROGRAM_LENGTH;
 }
 
 static int lp5562_run_predef_led_pattern(struct lp55xx_chip *chip, int mode)
@@ -477,8 +477,8 @@
 	return len;
 }
 
-static DEVICE_ATTR(led_pattern, S_IWUSR, NULL, lp5562_store_pattern);
-static DEVICE_ATTR(engine_mux, S_IWUSR, NULL, lp5562_store_engine_mux);
+static LP55XX_DEV_ATTR_WO(led_pattern, lp5562_store_pattern);
+static LP55XX_DEV_ATTR_WO(engine_mux, lp5562_store_engine_mux);
 
 static struct attribute *lp5562_attributes[] = {
 	&dev_attr_led_pattern.attr,
@@ -515,11 +515,18 @@
 	int ret;
 	struct lp55xx_chip *chip;
 	struct lp55xx_led *led;
-	struct lp55xx_platform_data *pdata = client->dev.platform_data;
+	struct lp55xx_platform_data *pdata = dev_get_platdata(&client->dev);
+	struct device_node *np = client->dev.of_node;
 
 	if (!pdata) {
-		dev_err(&client->dev, "no platform data\n");
-		return -EINVAL;
+		if (np) {
+			pdata = lp55xx_of_populate_pdata(&client->dev, np);
+			if (IS_ERR(pdata))
+				return PTR_ERR(pdata);
+		} else {
+			dev_err(&client->dev, "no platform data\n");
+			return -EINVAL;
+		}
 	}
 
 	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
@@ -583,9 +590,19 @@
 };
 MODULE_DEVICE_TABLE(i2c, lp5562_id);
 
+#ifdef CONFIG_OF
+static const struct of_device_id of_lp5562_leds_match[] = {
+	{ .compatible = "ti,lp5562", },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, of_lp5562_leds_match);
+#endif
+
 static struct i2c_driver lp5562_driver = {
 	.driver = {
 		.name	= "lp5562",
+		.of_match_table = of_match_ptr(of_lp5562_leds_match),
 	},
 	.probe		= lp5562_probe,
 	.remove		= lp5562_remove,