115 	struct is31fl319x_chip *is31 = led->chip;  in is31fl319x_brightness_set()  local
116 	int chan = led - is31->leds;  in is31fl319x_brightness_set()
121 	dev_dbg(&is31->client->dev, "%s %d: %d\n", __func__, chan, brightness);  in is31fl319x_brightness_set()
123 	mutex_lock(&is31->lock);  in is31fl319x_brightness_set()
126 	ret = regmap_write(is31->regmap, IS31FL319X_PWM(chan), brightness);  in is31fl319x_brightness_set()
131 	for (i = 0; i < is31->cdef->num_leds; i++) {  in is31fl319x_brightness_set()
140 		ret = regmap_read(is31->regmap, IS31FL319X_PWM(i), &pwm_value);  in is31fl319x_brightness_set()
141 		dev_dbg(&is31->client->dev, "%s read %d: ret=%d: %d\n",  in is31fl319x_brightness_set()
154 		dev_dbg(&is31->client->dev, "power up %02x %02x\n",  in is31fl319x_brightness_set()
156 		regmap_write(is31->regmap, IS31FL319X_CTRL1, ctrl1);  in is31fl319x_brightness_set()
157 		regmap_write(is31->regmap, IS31FL319X_CTRL2, ctrl2);  in is31fl319x_brightness_set()
159 		regmap_write(is31->regmap, IS31FL319X_DATA_UPDATE, 0x00);  in is31fl319x_brightness_set()
161 		ret = regmap_write(is31->regmap, IS31FL319X_SHUTDOWN, 0x01);  in is31fl319x_brightness_set()
163 		dev_dbg(&is31->client->dev, "power down\n");  in is31fl319x_brightness_set()
165 		ret = regmap_write(is31->regmap, IS31FL319X_SHUTDOWN, 0x00);  in is31fl319x_brightness_set()
169 	mutex_unlock(&is31->lock);  in is31fl319x_brightness_set()
203 			       struct is31fl319x_chip *is31)  in is31fl319x_parse_dt()  argument
212 	is31->shutdown_gpio = devm_gpiod_get_optional(dev,  in is31fl319x_parse_dt()
215 	if (IS_ERR(is31->shutdown_gpio)) {  in is31fl319x_parse_dt()
216 		ret = PTR_ERR(is31->shutdown_gpio);  in is31fl319x_parse_dt()
221 	is31->cdef = device_get_match_data(dev);  in is31fl319x_parse_dt()
227 	if (!count || count > is31->cdef->num_leds) {  in is31fl319x_parse_dt()
229 			is31->cdef->num_leds);  in is31fl319x_parse_dt()
243 		if (reg < 1 || reg > is31->cdef->num_leds) {  in is31fl319x_parse_dt()
249 		led = &is31->leds[reg - 1];  in is31fl319x_parse_dt()
266 	is31->audio_gain_db = 0;  in is31fl319x_parse_dt()
267 	ret = of_property_read_u32(np, "audio-gain-db", &is31->audio_gain_db);  in is31fl319x_parse_dt()
269 		is31->audio_gain_db = min(is31->audio_gain_db,  in is31fl319x_parse_dt()
338 	struct is31fl319x_chip *is31;  in is31fl319x_probe()  local
347 	is31 = devm_kzalloc(&client->dev, sizeof(*is31), GFP_KERNEL);  in is31fl319x_probe()
348 	if (!is31)  in is31fl319x_probe()
351 	mutex_init(&is31->lock);  in is31fl319x_probe()
353 	err = is31fl319x_parse_dt(&client->dev, is31);  in is31fl319x_probe()
357 	if (is31->shutdown_gpio) {  in is31fl319x_probe()
358 		gpiod_direction_output(is31->shutdown_gpio, 0);  in is31fl319x_probe()
360 		gpiod_direction_output(is31->shutdown_gpio, 1);  in is31fl319x_probe()
363 	is31->client = client;  in is31fl319x_probe()
364 	is31->regmap = devm_regmap_init_i2c(client, &regmap_config);  in is31fl319x_probe()
365 	if (IS_ERR(is31->regmap)) {  in is31fl319x_probe()
367 		err = PTR_ERR(is31->regmap);  in is31fl319x_probe()
371 	i2c_set_clientdata(client, is31);  in is31fl319x_probe()
374 	err = regmap_write(is31->regmap, IS31FL319X_RESET, 0x00);  in is31fl319x_probe()
387 	for (i = 0; i < is31->cdef->num_leds; i++)  in is31fl319x_probe()
388 		if (is31->leds[i].configured &&  in is31fl319x_probe()
389 		    is31->leds[i].max_microamp < aggregated_led_microamp)  in is31fl319x_probe()
390 			aggregated_led_microamp = is31->leds[i].max_microamp;  in is31fl319x_probe()
392 	regmap_write(is31->regmap, IS31FL319X_CONFIG2,  in is31fl319x_probe()
394 		     is31fl319x_db_to_gain(is31->audio_gain_db));  in is31fl319x_probe()
396 	for (i = 0; i < is31->cdef->num_leds; i++) {  in is31fl319x_probe()
397 		struct is31fl319x_led *led = &is31->leds[i];  in is31fl319x_probe()
402 		led->chip = is31;  in is31fl319x_probe()
413 	mutex_destroy(&is31->lock);  in is31fl319x_probe()
419 	struct is31fl319x_chip *is31 = i2c_get_clientdata(client);  in is31fl319x_remove()  local
421 	mutex_destroy(&is31->lock);  in is31fl319x_remove()