linux/drivers/leds/leds-wm831x-status.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * LED driver for WM831x status LEDs
 *
 * Copyright(C) 2009 Wolfson Microelectronics PLC.
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <linux/err.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/status.h>
#include <linux/module.h>


struct wm831x_status { … };

#define to_wm831x_status(led_cdev) …

static void wm831x_status_set(struct wm831x_status *led)
{ … }

static int wm831x_status_brightness_set(struct led_classdev *led_cdev,
					 enum led_brightness value)
{ … }

static int wm831x_status_blink_set(struct led_classdev *led_cdev,
				   unsigned long *delay_on,
				   unsigned long *delay_off)
{ … }

static const char * const led_src_texts[] = …;

static ssize_t src_show(struct device *dev,
			struct device_attribute *attr, char *buf)
{ … }

static ssize_t src_store(struct device *dev,
			 struct device_attribute *attr,
			 const char *buf, size_t size)
{ … }

static DEVICE_ATTR_RW(src);

static struct attribute *wm831x_status_attrs[] = …;
ATTRIBUTE_GROUPS(…);

static int wm831x_status_probe(struct platform_device *pdev)
{ … }

static void wm831x_status_remove(struct platform_device *pdev)
{ … }

static struct platform_driver wm831x_status_driver = …;

module_platform_driver(…) …;

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