linux/drivers/leds/leds-da9052.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * LED Driver for Dialog DA9052 PMICs.
 *
 * Copyright(c) 2012 Dialog Semiconductor Ltd.
 *
 * Author: David Dajun Chen <[email protected]>
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/slab.h>

#include <linux/mfd/da9052/reg.h>
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/pdata.h>

#define DA9052_OPENDRAIN_OUTPUT …
#define DA9052_SET_HIGH_LVL_OUTPUT …
#define DA9052_MASK_UPPER_NIBBLE …
#define DA9052_MASK_LOWER_NIBBLE …
#define DA9052_NIBBLE_SHIFT …
#define DA9052_MAX_BRIGHTNESS …

struct da9052_led { … };

static unsigned char led_reg[] = …;

static int da9052_set_led_brightness(struct da9052_led *led,
				     enum led_brightness brightness)
{ … }

static int da9052_led_set(struct led_classdev *led_cdev,
			   enum led_brightness value)
{ … }

static int da9052_configure_leds(struct da9052 *da9052)
{ … }

static int da9052_led_probe(struct platform_device *pdev)
{ … }

static void da9052_led_remove(struct platform_device *pdev)
{ … }

static struct platform_driver da9052_led_driver = …;

module_platform_driver(…) …;

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