[mirror_ubuntu-jammy-kernel.git] / drivers / leds / leds-an30259a.c

// SPDX-License-Identifier: GPL-2.0+
//
// Driver for Panasonic AN30259A 3-channel LED driver
//
// Copyright (c) 2018 Simon Shields <simon@lineageos.org>
//
// Datasheet:
// https://www.alliedelec.com/m/d/a9d2b3ee87c2d1a535a41dd747b1c247.pdf

#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/regmap.h>

#define AN30259A_MAX_LEDS 3

#define AN30259A_REG_SRESET 0x00
#define AN30259A_LED_SRESET BIT(0)

/* LED power registers */
#define AN30259A_REG_LED_ON 0x01
#define AN30259A_LED_EN(x) BIT((x) - 1)
#define AN30259A_LED_SLOPE(x) BIT(((x) - 1) + 4)

#define AN30259A_REG_LEDCC(x) (0x03 + ((x) - 1))

/* slope control registers */
#define AN30259A_REG_SLOPE(x) (0x06 + ((x) - 1))
#define AN30259A_LED_SLOPETIME1(x) (x)
#define AN30259A_LED_SLOPETIME2(x) ((x) << 4)

#define AN30259A_REG_LEDCNT1(x) (0x09 + (4 * ((x) - 1)))
#define AN30259A_LED_DUTYMAX(x) ((x) << 4)
#define AN30259A_LED_DUTYMID(x) (x)

#define AN30259A_REG_LEDCNT2(x) (0x0A + (4 * ((x) - 1)))
#define AN30259A_LED_DELAY(x) ((x) << 4)
#define AN30259A_LED_DUTYMIN(x) (x)

/* detention time control (length of each slope step) */
#define AN30259A_REG_LEDCNT3(x) (0x0B + (4 * ((x) - 1)))
#define AN30259A_LED_DT1(x) (x)
#define AN30259A_LED_DT2(x) ((x) << 4)

#define AN30259A_REG_LEDCNT4(x) (0x0C + (4 * ((x) - 1)))
#define AN30259A_LED_DT3(x) (x)
#define AN30259A_LED_DT4(x) ((x) << 4)

#define AN30259A_REG_MAX 0x14

#define AN30259A_BLINK_MAX_TIME 7500 /* ms */
#define AN30259A_SLOPE_RESOLUTION 500 /* ms */

#define AN30259A_NAME "an30259a"

#define STATE_OFF 0
#define STATE_KEEP 1
#define STATE_ON 2

struct an30259a;

struct an30259a_led {
	struct an30259a *chip;
	struct fwnode_handle *fwnode;
	struct led_classdev cdev;
	u32 num;
	u32 default_state;
	bool sloping;
};

struct an30259a {
	struct mutex mutex; /* held when writing to registers */
	struct i2c_client *client;
	struct an30259a_led leds[AN30259A_MAX_LEDS];
	struct regmap *regmap;
	int num_leds;
};

static int an30259a_brightness_set(struct led_classdev *cdev,
				   enum led_brightness brightness)
{
	struct an30259a_led *led;
	int ret;
	unsigned int led_on;

	led = container_of(cdev, struct an30259a_led, cdev);
	mutex_lock(&led->chip->mutex);

	ret = regmap_read(led->chip->regmap, AN30259A_REG_LED_ON, &led_on);
	if (ret)
		goto error;

	switch (brightness) {
	case LED_OFF:
		led_on &= ~AN30259A_LED_EN(led->num);
		led_on &= ~AN30259A_LED_SLOPE(led->num);
		led->sloping = false;
		break;
	default:
		led_on |= AN30259A_LED_EN(led->num);
		if (led->sloping)
			led_on |= AN30259A_LED_SLOPE(led->num);
		ret = regmap_write(led->chip->regmap,
				   AN30259A_REG_LEDCNT1(led->num),
				   AN30259A_LED_DUTYMAX(0xf) |
				   AN30259A_LED_DUTYMID(0xf));
		if (ret)
			goto error;
		break;
	}

	ret = regmap_write(led->chip->regmap, AN30259A_REG_LED_ON, led_on);
	if (ret)
		goto error;

	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCC(led->num),
			   brightness);

error:
	mutex_unlock(&led->chip->mutex);

	return ret;
}

static int an30259a_blink_set(struct led_classdev *cdev,
			      unsigned long *delay_off, unsigned long *delay_on)
{
	struct an30259a_led *led;
	int ret, num;
	unsigned int led_on;
	unsigned long off = *delay_off, on = *delay_on;

	led = container_of(cdev, struct an30259a_led, cdev);

	mutex_lock(&led->chip->mutex);
	num = led->num;

	/* slope time can only be a multiple of 500ms. */
	if (off % AN30259A_SLOPE_RESOLUTION || on % AN30259A_SLOPE_RESOLUTION) {
		ret = -EINVAL;
		goto error;
	}

	/* up to a maximum of 7500ms. */
	if (off > AN30259A_BLINK_MAX_TIME || on > AN30259A_BLINK_MAX_TIME) {
		ret = -EINVAL;
		goto error;
	}

	/* if no blink specified, default to 1 Hz. */
	if (!off && !on) {
		*delay_off = off = 500;
		*delay_on = on = 500;
	}

	/* convert into values the HW will understand. */
	off /= AN30259A_SLOPE_RESOLUTION;
	on /= AN30259A_SLOPE_RESOLUTION;

	/* duty min should be zero (=off), delay should be zero. */
	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCNT2(num),
			   AN30259A_LED_DELAY(0) | AN30259A_LED_DUTYMIN(0));
	if (ret)
		goto error;

	/* reset detention time (no "breathing" effect). */
	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCNT3(num),
			   AN30259A_LED_DT1(0) | AN30259A_LED_DT2(0));
	if (ret)
		goto error;
	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCNT4(num),
			   AN30259A_LED_DT3(0) | AN30259A_LED_DT4(0));
	if (ret)
		goto error;

	/* slope time controls on/off cycle length. */
	ret = regmap_write(led->chip->regmap, AN30259A_REG_SLOPE(num),
			   AN30259A_LED_SLOPETIME1(off) |
			   AN30259A_LED_SLOPETIME2(on));
	if (ret)
		goto error;

	/* Finally, enable slope mode. */
	ret = regmap_read(led->chip->regmap, AN30259A_REG_LED_ON, &led_on);
	if (ret)
		goto error;

	led_on |= AN30259A_LED_SLOPE(num) | AN30259A_LED_EN(led->num);

	ret = regmap_write(led->chip->regmap, AN30259A_REG_LED_ON, led_on);

	if (!ret)
		led->sloping = true;
error:
	mutex_unlock(&led->chip->mutex);

	return ret;
}

static int an30259a_dt_init(struct i2c_client *client,
			    struct an30259a *chip)
{
	struct device_node *np = dev_of_node(&client->dev), *child;
	int count, ret;
	int i = 0;
	const char *str;
	struct an30259a_led *led;

	count = of_get_available_child_count(np);
	if (!count || count > AN30259A_MAX_LEDS)
		return -EINVAL;

	for_each_available_child_of_node(np, child) {
		u32 source;

		ret = of_property_read_u32(child, "reg", &source);
		if (ret != 0 || !source || source > AN30259A_MAX_LEDS) {
			dev_err(&client->dev, "Couldn't read LED address: %d\n",
				ret);
			count--;
			continue;
		}

		led = &chip->leds[i];

		led->num = source;
		led->chip = chip;
		led->fwnode = of_fwnode_handle(child);

		if (!of_property_read_string(child, "default-state", &str)) {
			if (!strcmp(str, "on"))
				led->default_state = STATE_ON;
			else if (!strcmp(str, "keep"))
				led->default_state = STATE_KEEP;
			else
				led->default_state = STATE_OFF;
		}

		i++;
	}

	if (!count)
		return -EINVAL;

	chip->num_leds = i;

	return 0;
}

static const struct regmap_config an30259a_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,
	.max_register = AN30259A_REG_MAX,
};

static void an30259a_init_default_state(struct an30259a_led *led)
{
	struct an30259a *chip = led->chip;
	int led_on, err;

	switch (led->default_state) {
	case STATE_ON:
		led->cdev.brightness = LED_FULL;
		break;
	case STATE_KEEP:
		err = regmap_read(chip->regmap, AN30259A_REG_LED_ON, &led_on);
		if (err)
			break;

		if (!(led_on & AN30259A_LED_EN(led->num))) {
			led->cdev.brightness = LED_OFF;
			break;
		}
		regmap_read(chip->regmap, AN30259A_REG_LEDCC(led->num),
			    &led->cdev.brightness);
		break;
	default:
		led->cdev.brightness = LED_OFF;
	}

	an30259a_brightness_set(&led->cdev, led->cdev.brightness);
}

static int an30259a_probe(struct i2c_client *client)
{
	struct an30259a *chip;
	int i, err;

	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
	if (!chip)
		return -ENOMEM;

	err = an30259a_dt_init(client, chip);
	if (err < 0)
		return err;

	mutex_init(&chip->mutex);
	chip->client = client;
	i2c_set_clientdata(client, chip);

	chip->regmap = devm_regmap_init_i2c(client, &an30259a_regmap_config);

	if (IS_ERR(chip->regmap)) {
		err = PTR_ERR(chip->regmap);
		dev_err(&client->dev, "Failed to allocate register map: %d\n",
			err);
		goto exit;
	}

	for (i = 0; i < chip->num_leds; i++) {
		struct led_init_data init_data = {};

		an30259a_init_default_state(&chip->leds[i]);
		chip->leds[i].cdev.brightness_set_blocking =
			an30259a_brightness_set;
		chip->leds[i].cdev.blink_set = an30259a_blink_set;

		init_data.fwnode = chip->leds[i].fwnode;
		init_data.devicename = AN30259A_NAME;
		init_data.default_label = ":";

		err = devm_led_classdev_register_ext(&client->dev,
						 &chip->leds[i].cdev,
						 &init_data);
		if (err < 0)
			goto exit;
	}
	return 0;

exit:
	mutex_destroy(&chip->mutex);
	return err;
}

static int an30259a_remove(struct i2c_client *client)
{
	struct an30259a *chip = i2c_get_clientdata(client);

	mutex_destroy(&chip->mutex);

	return 0;
}

static const struct of_device_id an30259a_match_table[] = {
	{ .compatible = "panasonic,an30259a", },
	{ /* sentinel */ },
};

MODULE_DEVICE_TABLE(of, an30259a_match_table);

static const struct i2c_device_id an30259a_id[] = {
	{ "an30259a", 0 },
	{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(i2c, an30259a_id);

static struct i2c_driver an30259a_driver = {
	.driver = {
		.name = "leds-an30259a",
		.of_match_table = of_match_ptr(an30259a_match_table),
	},
	.probe_new = an30259a_probe,
	.remove = an30259a_remove,
	.id_table = an30259a_id,
};

module_i2c_driver(an30259a_driver);

MODULE_AUTHOR("Simon Shields <simon@lineageos.org>");
MODULE_DESCRIPTION("AN30259A LED driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
2d00f35c SS	1	// SPDX-License-Identifier: GPL-2.0+
	2	//
	3	// Driver for Panasonic AN30259A 3-channel LED driver
	4	//
	5	// Copyright (c) 2018 Simon Shields <simon@lineageos.org>
	6	//
	7	// Datasheet:
	8	// https://www.alliedelec.com/m/d/a9d2b3ee87c2d1a535a41dd747b1c247.pdf
	9
	10	#include <linux/i2c.h>
	11	#include <linux/leds.h>
	12	#include <linux/module.h>
	13	#include <linux/mutex.h>
	14	#include <linux/of.h>
	15	#include <linux/regmap.h>
2d00f35c SS	16
	17	#define AN30259A_MAX_LEDS 3
	18
	19	#define AN30259A_REG_SRESET 0x00
	20	#define AN30259A_LED_SRESET BIT(0)
	21
	22	/* LED power registers */
	23	#define AN30259A_REG_LED_ON 0x01
	24	#define AN30259A_LED_EN(x) BIT((x) - 1)
	25	#define AN30259A_LED_SLOPE(x) BIT(((x) - 1) + 4)
	26
	27	#define AN30259A_REG_LEDCC(x) (0x03 + ((x) - 1))
	28
	29	/* slope control registers */
	30	#define AN30259A_REG_SLOPE(x) (0x06 + ((x) - 1))
	31	#define AN30259A_LED_SLOPETIME1(x) (x)
	32	#define AN30259A_LED_SLOPETIME2(x) ((x) << 4)
	33
	34	#define AN30259A_REG_LEDCNT1(x) (0x09 + (4 * ((x) - 1)))
	35	#define AN30259A_LED_DUTYMAX(x) ((x) << 4)
	36	#define AN30259A_LED_DUTYMID(x) (x)
	37
	38	#define AN30259A_REG_LEDCNT2(x) (0x0A + (4 * ((x) - 1)))
	39	#define AN30259A_LED_DELAY(x) ((x) << 4)
	40	#define AN30259A_LED_DUTYMIN(x) (x)
	41
	42	/* detention time control (length of each slope step) */
	43	#define AN30259A_REG_LEDCNT3(x) (0x0B + (4 * ((x) - 1)))
	44	#define AN30259A_LED_DT1(x) (x)
	45	#define AN30259A_LED_DT2(x) ((x) << 4)
	46
	47	#define AN30259A_REG_LEDCNT4(x) (0x0C + (4 * ((x) - 1)))
	48	#define AN30259A_LED_DT3(x) (x)
	49	#define AN30259A_LED_DT4(x) ((x) << 4)
	50
	51	#define AN30259A_REG_MAX 0x14
	52
	53	#define AN30259A_BLINK_MAX_TIME 7500 /* ms */
	54	#define AN30259A_SLOPE_RESOLUTION 500 /* ms */
	55
1817208e JA	56	#define AN30259A_NAME "an30259a"
1817208e JA	57
2d00f35c SS	58	#define STATE_OFF 0
	59	#define STATE_KEEP 1
	60	#define STATE_ON 2
	61
	62	struct an30259a;
	63
	64	struct an30259a_led {
	65	struct an30259a *chip;
1817208e	66	struct fwnode_handle *fwnode;
2d00f35c SS	67	struct led_classdev cdev;
	68	u32 num;
	69	u32 default_state;
	70	bool sloping;
2d00f35c SS	71	};
	72
	73	struct an30259a {
	74	struct mutex mutex; /* held when writing to registers */
	75	struct i2c_client *client;
	76	struct an30259a_led leds[AN30259A_MAX_LEDS];
	77	struct regmap *regmap;
	78	int num_leds;
	79	};
	80
	81	static int an30259a_brightness_set(struct led_classdev *cdev,
	82	enum led_brightness brightness)
	83	{
	84	struct an30259a_led *led;
	85	int ret;
	86	unsigned int led_on;
	87
	88	led = container_of(cdev, struct an30259a_led, cdev);
	89	mutex_lock(&led->chip->mutex);
	90
	91	ret = regmap_read(led->chip->regmap, AN30259A_REG_LED_ON, &led_on);
	92	if (ret)
	93	goto error;
	94
	95	switch (brightness) {
	96	case LED_OFF:
	97	led_on &= ~AN30259A_LED_EN(led->num);
	98	led_on &= ~AN30259A_LED_SLOPE(led->num);
	99	led->sloping = false;
	100	break;
	101	default:
	102	led_on \|= AN30259A_LED_EN(led->num);
	103	if (led->sloping)
	104	led_on \|= AN30259A_LED_SLOPE(led->num);
	105	ret = regmap_write(led->chip->regmap,
	106	AN30259A_REG_LEDCNT1(led->num),
	107	AN30259A_LED_DUTYMAX(0xf) \|
	108	AN30259A_LED_DUTYMID(0xf));
	109	if (ret)
	110	goto error;
	111	break;
	112	}
	113
	114	ret = regmap_write(led->chip->regmap, AN30259A_REG_LED_ON, led_on);
	115	if (ret)
	116	goto error;
	117
	118	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCC(led->num),
	119	brightness);
	120
	121	error:
	122	mutex_unlock(&led->chip->mutex);
	123
	124	return ret;
	125	}
	126
	127	static int an30259a_blink_set(struct led_classdev *cdev,
	128	unsigned long delay_off, unsigned long delay_on)
	129	{
	130	struct an30259a_led *led;
	131	int ret, num;
	132	unsigned int led_on;
	133	unsigned long off = delay_off, on = delay_on;
	134
135	led = container_of(cdev, struct an30259a_led, cdev);
136
137	mutex_lock(&led->chip->mutex);
138	num = led->num;
139
140	/* slope time can only be a multiple of 500ms. */
141	if (off % AN30259A_SLOPE_RESOLUTION \|\| on % AN30259A_SLOPE_RESOLUTION) {
142	ret = -EINVAL;
143	goto error;
144	}
145
146	/* up to a maximum of 7500ms. */
147	if (off > AN30259A_BLINK_MAX_TIME \|\| on > AN30259A_BLINK_MAX_TIME) {
148	ret = -EINVAL;
149	goto error;
150	}
151
152	/* if no blink specified, default to 1 Hz. */
153	if (!off && !on) {
154	*delay_off = off = 500;
155	*delay_on = on = 500;
156	}
157
158	/* convert into values the HW will understand. */
159	off /= AN30259A_SLOPE_RESOLUTION;
160	on /= AN30259A_SLOPE_RESOLUTION;
161
162	/* duty min should be zero (=off), delay should be zero. */
163	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCNT2(num),
164	AN30259A_LED_DELAY(0) \| AN30259A_LED_DUTYMIN(0));
165	if (ret)
166	goto error;
167
168	/* reset detention time (no "breathing" effect). */
169	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCNT3(num),
170	AN30259A_LED_DT1(0) \| AN30259A_LED_DT2(0));
171	if (ret)
172	goto error;
173	ret = regmap_write(led->chip->regmap, AN30259A_REG_LEDCNT4(num),
174	AN30259A_LED_DT3(0) \| AN30259A_LED_DT4(0));
175	if (ret)
176	goto error;
177
178	/* slope time controls on/off cycle length. */
179	ret = regmap_write(led->chip->regmap, AN30259A_REG_SLOPE(num),
180	AN30259A_LED_SLOPETIME1(off) \|
181	AN30259A_LED_SLOPETIME2(on));
182	if (ret)
183	goto error;
184
185	/* Finally, enable slope mode. */
186	ret = regmap_read(led->chip->regmap, AN30259A_REG_LED_ON, &led_on);
187	if (ret)
188	goto error;
189
190	led_on \|= AN30259A_LED_SLOPE(num) \| AN30259A_LED_EN(led->num);
191
192	ret = regmap_write(led->chip->regmap, AN30259A_REG_LED_ON, led_on);
193
194	if (!ret)
195	led->sloping = true;
196	error:
197	mutex_unlock(&led->chip->mutex);
198
199	return ret;
200	}
201
202	static int an30259a_dt_init(struct i2c_client *client,
203	struct an30259a *chip)
204	{
8853c95e	205	struct device_node np = dev_of_node(&client->dev), child;
2d00f35c SS	206	int count, ret;
	207	int i = 0;
	208	const char *str;
	209	struct an30259a_led *led;
	210
99a013c8	211	count = of_get_available_child_count(np);
2d00f35c SS	212	if (!count \|\| count > AN30259A_MAX_LEDS)
	213	return -EINVAL;
	214
	215	for_each_available_child_of_node(np, child) {
	216	u32 source;
	217
	218	ret = of_property_read_u32(child, "reg", &source);
	219	if (ret != 0 \|\| !source \|\| source > AN30259A_MAX_LEDS) {
	220	dev_err(&client->dev, "Couldn't read LED address: %d\n",
	221	ret);
	222	count--;
	223	continue;
	224	}
	225
	226	led = &chip->leds[i];
	227
	228	led->num = source;
	229	led->chip = chip;
1817208e	230	led->fwnode = of_fwnode_handle(child);
2d00f35c SS	231
	232	if (!of_property_read_string(child, "default-state", &str)) {
	233	if (!strcmp(str, "on"))
	234	led->default_state = STATE_ON;
	235	else if (!strcmp(str, "keep"))
	236	led->default_state = STATE_KEEP;
	237	else
	238	led->default_state = STATE_OFF;
	239	}
	240
2d00f35c SS	241	i++;
	242	}
	243
	244	if (!count)
	245	return -EINVAL;
	246
	247	chip->num_leds = i;
	248
	249	return 0;
	250	}
	251
	252	static const struct regmap_config an30259a_regmap_config = {
	253	.reg_bits = 8,
	254	.val_bits = 8,
	255	.max_register = AN30259A_REG_MAX,
	256	};
	257
	258	static void an30259a_init_default_state(struct an30259a_led *led)
	259	{
	260	struct an30259a *chip = led->chip;
	261	int led_on, err;
	262
	263	switch (led->default_state) {
	264	case STATE_ON:
	265	led->cdev.brightness = LED_FULL;
	266	break;
	267	case STATE_KEEP:
	268	err = regmap_read(chip->regmap, AN30259A_REG_LED_ON, &led_on);
	269	if (err)
	270	break;
	271
	272	if (!(led_on & AN30259A_LED_EN(led->num))) {
	273	led->cdev.brightness = LED_OFF;
	274	break;
	275	}
	276	regmap_read(chip->regmap, AN30259A_REG_LEDCC(led->num),
	277	&led->cdev.brightness);
	278	break;
	279	default:
	280	led->cdev.brightness = LED_OFF;
	281	}
	282
	283	an30259a_brightness_set(&led->cdev, led->cdev.brightness);
	284	}
	285
	286	static int an30259a_probe(struct i2c_client *client)
	287	{
	288	struct an30259a *chip;
	289	int i, err;
	290
	291	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
	292	if (!chip)
	293	return -ENOMEM;
	294
	295	err = an30259a_dt_init(client, chip);
	296	if (err < 0)
	297	return err;
	298
	299	mutex_init(&chip->mutex);
	300	chip->client = client;
	301	i2c_set_clientdata(client, chip);
	302
	303	chip->regmap = devm_regmap_init_i2c(client, &an30259a_regmap_config);
	304
fc7b5028 CY	305	if (IS_ERR(chip->regmap)) {
	306	err = PTR_ERR(chip->regmap);
	307	dev_err(&client->dev, "Failed to allocate register map: %d\n",
	308	err);
	309	goto exit;
	310	}
	311
2d00f35c	312	for (i = 0; i < chip->num_leds; i++) {
1817208e JA	313	struct led_init_data init_data = {};
1817208e JA	314
2d00f35c SS	315	an30259a_init_default_state(&chip->leds[i]);
	316	chip->leds[i].cdev.brightness_set_blocking =
	317	an30259a_brightness_set;
	318	chip->leds[i].cdev.blink_set = an30259a_blink_set;
	319
1817208e JA	320	init_data.fwnode = chip->leds[i].fwnode;
	321	init_data.devicename = AN30259A_NAME;
	322	init_data.default_label = ":";
	323
	324	err = devm_led_classdev_register_ext(&client->dev,
	325	&chip->leds[i].cdev,
	326	&init_data);
2d00f35c SS	327	if (err < 0)
	328	goto exit;
	329	}
	330	return 0;
	331
	332	exit:
	333	mutex_destroy(&chip->mutex);
	334	return err;
	335	}
	336
	337	static int an30259a_remove(struct i2c_client *client)
	338	{
	339	struct an30259a *chip = i2c_get_clientdata(client);
	340
	341	mutex_destroy(&chip->mutex);
	342
	343	return 0;
	344	}
	345
	346	static const struct of_device_id an30259a_match_table[] = {
	347	{ .compatible = "panasonic,an30259a", },
	348	{ /* sentinel */ },
	349	};
	350
	351	MODULE_DEVICE_TABLE(of, an30259a_match_table);
	352
	353	static const struct i2c_device_id an30259a_id[] = {
	354	{ "an30259a", 0 },
	355	{ /* sentinel */ },
	356	};
	357	MODULE_DEVICE_TABLE(i2c, an30259a_id);
	358
	359	static struct i2c_driver an30259a_driver = {
	360	.driver = {
f3b357c2	361	.name = "leds-an30259a",
2d00f35c SS	362	.of_match_table = of_match_ptr(an30259a_match_table),
	363	},
	364	.probe_new = an30259a_probe,
	365	.remove = an30259a_remove,
	366	.id_table = an30259a_id,
	367	};
	368
	369	module_i2c_driver(an30259a_driver);
	370
	371	MODULE_AUTHOR("Simon Shields <simon@lineageos.org>");
f3b357c2	372	MODULE_DESCRIPTION("AN30259A LED driver");
2d00f35c	373	MODULE_LICENSE("GPL v2");