drivers/leds/leds-lm3692x.c

147 	int ret;
150 	ret = regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf);
151 	if (ret)
152 		return ret;
171 	int ret, reg_ret;
177 		ret = regulator_enable(led->regulator);
178 		if (ret) {
180 				"Failed to enable regulator: %d\n", ret);
181 			return ret;
188 	ret = lm3692x_fault_check(led);
189 	if (ret) {
191 			ret);
195 	ret = regmap_write(led->regmap, LM3692X_BRT_CTRL, 0x00);
196 	if (ret)
205 	ret = regmap_write(led->regmap, LM3692X_EN, LM3692X_DEVICE_EN);
206 	if (ret)
212 	ret = regmap_write(led->regmap, LM3692X_BRT_MSB, 0);
213 	if (ret)
216 	ret = regmap_write(led->regmap, LM3692X_BRT_LSB, 0);
217 	if (ret)
220 	ret = regmap_write(led->regmap, LM3692X_PWM_CTRL,
222 	if (ret)
225 	ret = regmap_write(led->regmap, LM3692X_BOOST_CTRL, led->boost_ctrl);
226 	if (ret)
229 	ret = regmap_write(led->regmap, LM3692X_AUTO_FREQ_HI, 0x00);
230 	if (ret)
233 	ret = regmap_write(led->regmap, LM3692X_AUTO_FREQ_LO, 0x00);
234 	if (ret)
237 	ret = regmap_write(led->regmap, LM3692X_BL_ADJ_THRESH, 0x00);
238 	if (ret)
241 	ret = regmap_write(led->regmap, LM3692X_BRT_CTRL,
243 	if (ret)
269 		ret = -EINVAL;
275 	ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_ENABLE_MASK,
279 	return ret;
293 	return ret;
298 	int ret;
303 	ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_DEVICE_EN, 0);
304 	if (ret) {
306 			ret);
307 		return ret;
314 		ret = regulator_disable(led->regulator);
315 		if (ret)
317 				"Failed to disable regulator: %d\n", ret);
321 	return ret;
329 	int ret;
335 		ret = lm3692x_leds_disable(led);
341 	ret = lm3692x_fault_check(led);
342 	if (ret) {
344 			ret);
348 	ret = regmap_write(led->regmap, LM3692X_BRT_MSB, brt_val);
349 	if (ret) {
350 		dev_err(&led->client->dev, "Cannot write MSB: %d\n", ret);
354 	ret = regmap_write(led->regmap, LM3692X_BRT_LSB, led_brightness_lsb);
355 	if (ret) {
356 		dev_err(&led->client->dev, "Cannot write LSB: %d\n", ret);
361 	return ret;
382 	int ret;
387 		ret = PTR_ERR(led->enable_gpio);
389 			ret);
390 		return ret;
395 		ret = PTR_ERR(led->regulator);
396 		if (ret != -ENODEV)
397 			return dev_err_probe(&led->client->dev, ret,
406 	ret = device_property_read_u32(&led->client->dev,
408 	if (ret) {
435 	ret = fwnode_property_read_u32(child, "reg", &led->led_enable);
436 	if (ret) {
439 		return ret;
442 	ret = fwnode_property_read_u32(child, "led-max-microamp", &max_cur);
443 	led->led_dev.max_brightness = ret ? LED_FULL :
450 	ret = devm_led_classdev_register_ext(&led->client->dev, &led->led_dev,
452 	if (ret)
453 		dev_err(&led->client->dev, "led register err: %d\n", ret);
456 	return ret;
463 	int ret;
477 		ret = PTR_ERR(led->regmap);
479 			ret);
480 		return ret;
483 	ret = lm3692x_probe_dt(led);
484 	if (ret)
485 		return ret;
487 	ret = lm3692x_leds_enable(led);
488 	if (ret)
489 		return ret;