change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/leds/leds-s3c24xx.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* drivers/leds/leds-s3c24xx.c
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  *
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  * (c) 2006 Simtec Electronics
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@@ -5,28 +6,22 @@
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  *	Ben Dooks <ben@simtec.co.uk>
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  *
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  * S3C24XX - LEDs GPIO driver
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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 */
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 #include <linux/kernel.h>
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 #include <linux/platform_device.h>
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 #include <linux/leds.h>
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-#include <linux/gpio.h>
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+#include <linux/gpio/consumer.h>
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 #include <linux/slab.h>
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 #include <linux/module.h>
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 #include <linux/platform_data/leds-s3c24xx.h>
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-
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-#include <mach/regs-gpio.h>
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-#include <plat/gpio-cfg.h>
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 /* our context */
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 struct s3c24xx_gpio_led {
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 	struct led_classdev		 cdev;
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 	struct s3c24xx_led_platdata	*pdata;
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+	struct gpio_desc		*gpiod;
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 };
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 static inline struct s3c24xx_gpio_led *to_gpio(struct led_classdev *led_cdev)
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@@ -38,20 +33,8 @@
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 			    enum led_brightness value)
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 {
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 	struct s3c24xx_gpio_led *led = to_gpio(led_cdev);
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-	struct s3c24xx_led_platdata *pd = led->pdata;
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-	int state = (value ? 1 : 0) ^ (pd->flags & S3C24XX_LEDF_ACTLOW);
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-	/* there will be a short delay between setting the output and
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-	 * going from output to input when using tristate. */
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-
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-	gpio_set_value(pd->gpio, state);
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-
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-	if (pd->flags & S3C24XX_LEDF_TRISTATE) {
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-		if (value)
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-			gpio_direction_output(pd->gpio, state);
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-		else
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-			gpio_direction_input(pd->gpio);
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-	}
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+	gpiod_set_value(led->gpiod, !!value);
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 }
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 static int s3c24xx_led_probe(struct platform_device *dev)
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@@ -72,22 +55,12 @@
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 	led->pdata = pdata;
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-	ret = devm_gpio_request(&dev->dev, pdata->gpio, "S3C24XX_LED");
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-	if (ret < 0)
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-		return ret;
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-
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-	/* no point in having a pull-up if we are always driving */
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-
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-	s3c_gpio_setpull(pdata->gpio, S3C_GPIO_PULL_NONE);
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-
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-	if (pdata->flags & S3C24XX_LEDF_TRISTATE)
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-		gpio_direction_input(pdata->gpio);
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-	else
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-		gpio_direction_output(pdata->gpio,
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-			pdata->flags & S3C24XX_LEDF_ACTLOW ? 1 : 0);
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+	/* Default to off */
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+	led->gpiod = devm_gpiod_get(&dev->dev, NULL, GPIOD_OUT_LOW);
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+	if (IS_ERR(led->gpiod))
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+		return PTR_ERR(led->gpiod);
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 	/* register our new led device */
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-
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 	ret = devm_led_classdev_register(&dev->dev, &led->cdev);
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 	if (ret < 0)
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 		dev_err(&dev->dev, "led_classdev_register failed\n");