linux/drivers/leds/leds-gpio.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * LEDs driver for GPIOs
 *
 * Copyright (C) 2007 8D Technologies inc.
 * Raphael Assenat <[email protected]>
 * Copyright (C) 2008 Freescale Semiconductor, Inc.
 */
#include <linux/container_of.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/leds.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/overflow.h>
#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/types.h>

#include "leds.h"

struct gpio_led_data { … };

static inline struct gpio_led_data *
			cdev_to_gpio_led_data(struct led_classdev *led_cdev)
{ … }

static void gpio_led_set(struct led_classdev *led_cdev,
	enum led_brightness value)
{ … }

static int gpio_led_set_blocking(struct led_classdev *led_cdev,
	enum led_brightness value)
{ … }

static int gpio_blink_set(struct led_classdev *led_cdev,
	unsigned long *delay_on, unsigned long *delay_off)
{ … }

static int create_gpio_led(const struct gpio_led *template,
	struct gpio_led_data *led_dat, struct device *parent,
	struct fwnode_handle *fwnode, gpio_blink_set_t blink_set)
{ … }

struct gpio_leds_priv { … };

static struct gpio_leds_priv *gpio_leds_create(struct device *dev)
{ … }

static const struct of_device_id of_gpio_leds_match[] = …;

MODULE_DEVICE_TABLE(of, of_gpio_leds_match);

static struct gpio_desc *gpio_led_get_gpiod(struct device *dev, int idx,
					    const struct gpio_led *template)
{ … }

static int gpio_led_probe(struct platform_device *pdev)
{ … }

static void gpio_led_shutdown(struct platform_device *pdev)
{ … }

static struct platform_driver gpio_led_driver = …;

module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;