190 static int lm3530_led_enable(struct lm3530_data *drvdata)  in lm3530_led_enable()  argument
194 	if (drvdata->enable)  in lm3530_led_enable()
197 	ret = regulator_enable(drvdata->regulator);  in lm3530_led_enable()
199 		dev_err(drvdata->led_dev.dev, "Failed to enable vin:%d\n", ret);  in lm3530_led_enable()
203 	drvdata->enable = true;  in lm3530_led_enable()
207 static void lm3530_led_disable(struct lm3530_data *drvdata)  in lm3530_led_disable()  argument
211 	if (!drvdata->enable)  in lm3530_led_disable()
214 	ret = regulator_disable(drvdata->regulator);  in lm3530_led_disable()
216 		dev_err(drvdata->led_dev.dev, "Failed to disable vin:%d\n",  in lm3530_led_disable()
221 	drvdata->enable = false;  in lm3530_led_disable()
224 static int lm3530_init_registers(struct lm3530_data *drvdata)  in lm3530_init_registers()  argument
232 	struct lm3530_platform_data *pdata = drvdata->pdata;  in lm3530_init_registers()
233 	struct i2c_client *client = drvdata->client;  in lm3530_init_registers()
242 	switch (drvdata->mode) {  in lm3530_init_registers()
259 	if (drvdata->brightness)  in lm3530_init_registers()
260 		brightness = drvdata->brightness;  in lm3530_init_registers()
262 		brightness = drvdata->brightness = pdata->brt_val;  in lm3530_init_registers()
264 	if (brightness > drvdata->led_dev.max_brightness)  in lm3530_init_registers()
265 		brightness = drvdata->led_dev.max_brightness;  in lm3530_init_registers()
282 	ret = lm3530_led_enable(drvdata);  in lm3530_init_registers()
289 		    drvdata->mode == LM3530_BL_MODE_PWM) {  in lm3530_init_registers()
292 					drvdata->led_dev.max_brightness);  in lm3530_init_registers()
309 	struct lm3530_data *drvdata =  in lm3530_brightness_set()  local
311 	struct lm3530_platform_data *pdata = drvdata->pdata;  in lm3530_brightness_set()
315 	switch (drvdata->mode) {  in lm3530_brightness_set()
318 		if (!drvdata->enable) {  in lm3530_brightness_set()
319 			err = lm3530_init_registers(drvdata);  in lm3530_brightness_set()
321 				dev_err(&drvdata->client->dev,  in lm3530_brightness_set()
328 		err = i2c_smbus_write_byte_data(drvdata->client,  in lm3530_brightness_set()
331 			dev_err(&drvdata->client->dev,  in lm3530_brightness_set()
334 			drvdata->brightness = brt_val;  in lm3530_brightness_set()
337 			lm3530_led_disable(drvdata);  in lm3530_brightness_set()
354 	struct lm3530_data *drvdata;  in lm3530_mode_get()  local
357 	drvdata = container_of(led_cdev, struct lm3530_data, led_dev);  in lm3530_mode_get()
359 		if (drvdata->mode == mode_map[i].mode_val)  in lm3530_mode_get()
373 	struct lm3530_data *drvdata;  in lm3530_mode_set()  local
378 	drvdata = container_of(led_cdev, struct lm3530_data, led_dev);  in lm3530_mode_set()
379 	pwm = &drvdata->pdata->pwm_data;  in lm3530_mode_set()
387 	drvdata->mode = mode;  in lm3530_mode_set()
393 	err = lm3530_init_registers(drvdata);  in lm3530_mode_set()
399 	return sizeof(drvdata->mode);  in lm3530_mode_set()
413 	struct lm3530_data *drvdata;  in lm3530_probe()  local
432 	drvdata = devm_kzalloc(&client->dev, sizeof(struct lm3530_data),  in lm3530_probe()
434 	if (drvdata == NULL)  in lm3530_probe()
437 	drvdata->mode = pdata->mode;  in lm3530_probe()
438 	drvdata->client = client;  in lm3530_probe()
439 	drvdata->pdata = pdata;  in lm3530_probe()
440 	drvdata->brightness = LED_OFF;  in lm3530_probe()
441 	drvdata->enable = false;  in lm3530_probe()
442 	drvdata->led_dev.name = LM3530_LED_DEV;  in lm3530_probe()
443 	drvdata->led_dev.brightness_set = lm3530_brightness_set;  in lm3530_probe()
444 	drvdata->led_dev.max_brightness = MAX_BRIGHTNESS;  in lm3530_probe()
445 	drvdata->led_dev.groups = lm3530_groups;  in lm3530_probe()
447 	i2c_set_clientdata(client, drvdata);  in lm3530_probe()
449 	drvdata->regulator = devm_regulator_get(&client->dev, "vin");  in lm3530_probe()
450 	if (IS_ERR(drvdata->regulator)) {  in lm3530_probe()
452 		err = PTR_ERR(drvdata->regulator);  in lm3530_probe()
453 		drvdata->regulator = NULL;  in lm3530_probe()
457 	if (drvdata->pdata->brt_val) {  in lm3530_probe()
458 		err = lm3530_init_registers(drvdata);  in lm3530_probe()
465 	err = led_classdev_register(&client->dev, &drvdata->led_dev);  in lm3530_probe()
476 	struct lm3530_data *drvdata = i2c_get_clientdata(client);  in lm3530_remove()  local
478 	lm3530_led_disable(drvdata);  in lm3530_remove()
479 	led_classdev_unregister(&drvdata->led_dev);  in lm3530_remove()