linux/drivers/leds/leds-lm355x.c

// SPDX-License-Identifier: GPL-2.0-only
/*
* Simple driver for Texas Instruments LM355x LED Flash driver chip
* Copyright (C) 2012 Texas Instruments
*/

#include <linux/module.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/fs.h>
#include <linux/regmap.h>
#include <linux/platform_data/leds-lm355x.h>

enum lm355x_type { … };

enum lm355x_regs { … };

/* operation mode */
enum lm355x_mode { … };

/* register map info. */
struct lm355x_reg_data { … };

struct lm355x_chip_data { … };

/* specific indicator function for lm3556 */
enum lm3556_indic_pulse_time { … };

enum lm3556_indic_n_blank { … };

enum lm3556_indic_period { … };

#define INDIC_PATTERN_SIZE …

struct indicator { … };

/* indicator pattern data only for lm3556 */
static struct indicator indicator_pattern[INDIC_PATTERN_SIZE] = …;

static struct lm355x_reg_data lm3554_regs[REG_MAX] = …;

static struct lm355x_reg_data lm3556_regs[REG_MAX] = …;

static char lm355x_name[][I2C_NAME_SIZE] = …;

/* chip initialize */
static int lm355x_chip_init(struct lm355x_chip_data *chip)
{ … }

/* chip control */
static int lm355x_control(struct lm355x_chip_data *chip,
			   u8 brightness, enum lm355x_mode opmode)
{ … }

/* torch */

static int lm355x_torch_brightness_set(struct led_classdev *cdev,
					enum led_brightness brightness)
{ … }

/* flash */

static int lm355x_strobe_brightness_set(struct led_classdev *cdev,
					 enum led_brightness brightness)
{ … }

/* indicator */

static int lm355x_indicator_brightness_set(struct led_classdev *cdev,
					    enum led_brightness brightness)
{ … }

/* indicator pattern only for lm3556*/
static ssize_t pattern_store(struct device *dev,
			     struct device_attribute *attr,
			     const char *buf, size_t size)
{ … }

static DEVICE_ATTR_WO(pattern);

static struct attribute *lm355x_indicator_attrs[] = …;
ATTRIBUTE_GROUPS(…);

static const struct regmap_config lm355x_regmap = …;

/* module initialize */
static int lm355x_probe(struct i2c_client *client)
{ … }

static void lm355x_remove(struct i2c_client *client)
{ … }

static const struct i2c_device_id lm355x_id[] = …;

MODULE_DEVICE_TABLE(i2c, lm355x_id);

static struct i2c_driver lm355x_i2c_driver = …;

module_i2c_driver(…) …;

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