drivers/leds/leds-lm3697.c

125 	struct lm3697_led *led = container_of(led_cdev, struct lm3697_led,
127 	int ctrl_en_val = (1 << led->control_bank);
128 	struct device *dev = led->priv->dev;
131 	mutex_lock(&led->priv->lock);
134 		ret = regmap_update_bits(led->priv->regmap, LM3697_CTRL_ENABLE,
141 		led->enabled = LED_OFF;
143 		ret = ti_lmu_common_set_brightness(&led->lmu_data, brt_val);
149 		if (!led->enabled) {
150 			ret = regmap_update_bits(led->priv->regmap,
158 			led->enabled = brt_val;
163 	mutex_unlock(&led->priv->lock);
170 	struct lm3697_led *led;
194 		led = &priv->leds[i];
195 		ret = ti_lmu_common_set_ramp(&led->lmu_data);
207 	struct lm3697_led *led;
238 		led = &priv->leds[i];
240 		ret = ti_lmu_common_get_brt_res(dev, child, &led->lmu_data);
245 		led->control_bank = control_bank;
246 		led->lmu_data.regmap = priv->regmap;
247 		led->lmu_data.runtime_ramp_reg = LM3697_CTRL_A_RAMP +
249 		led->lmu_data.msb_brightness_reg = LM3697_CTRL_A_BRT_MSB +
250 						   led->control_bank * 2;
251 		led->lmu_data.lsb_brightness_reg = LM3697_CTRL_A_BRT_LSB +
252 						   led->control_bank * 2;
254 		led->num_leds = fwnode_property_count_u32(child, "led-sources");
255 		if (led->num_leds > LM3697_MAX_LED_STRINGS) {
260 		ret = fwnode_property_read_u32_array(child, "led-sources",
261 						    led->hvled_strings,
262 						    led->num_leds);
264 			dev_err(dev, "led-sources property missing\n");
268 		for (j = 0; j < led->num_leds; j++)
270 				(led->control_bank << led->hvled_strings[j]);
272 		ret = ti_lmu_common_get_ramp_params(dev, child, &led->lmu_data);
281 		led->priv = priv;
282 		led->led_dev.max_brightness = led->lmu_data.max_brightness;
283 		led->led_dev.brightness_set_blocking = lm3697_brightness_set;
285 		ret = devm_led_classdev_register_ext(dev, &led->led_dev,
288 			dev_err(dev, "led register err: %d\n", ret);
305 	struct lm3697 *led;
315 	led = devm_kzalloc(dev, struct_size(led, leds, count), GFP_KERNEL);
316 	if (!led)
319 	mutex_init(&led->lock);
320 	i2c_set_clientdata(client, led);
322 	led->client = client;
323 	led->dev = dev;
324 	led->num_banks = count;
325 	led->regmap = devm_regmap_init_i2c(client, &lm3697_regmap_config);
326 	if (IS_ERR(led->regmap)) {
327 		ret = PTR_ERR(led->regmap);
332 	ret = lm3697_probe_dt(led);
336 	return lm3697_init(led);
341 	struct lm3697 *led = i2c_get_clientdata(client);
342 	struct device *dev = &led->client->dev;
345 	ret = regmap_update_bits(led->regmap, LM3697_CTRL_ENABLE,
350 	if (led->enable_gpio)
351 		gpiod_direction_output(led->enable_gpio, 0);
353 	if (led->regulator) {
354 		ret = regulator_disable(led->regulator);
359 	mutex_destroy(&led->lock);