drivers/leds/leds-lp3952.c

26 	struct lp3952_led_array *priv = i2c_get_clientdata(client);
28 	ret = regmap_write(priv->regmap, reg, val);
36 static void lp3952_on_off(struct lp3952_led_array *priv,
41 	dev_dbg(&priv->client->dev, "%s LED %d to %d\n", __func__, led_id, on);
47 	ret = regmap_update_bits(priv->regmap, LP3952_REG_LED_CTRL, val,
50 		dev_err(&priv->client->dev, "%s, Error %d\n", __func__, ret);
65 	struct lp3952_led_array *priv = (struct lp3952_led_array *)led->priv;
71 		lp3952_on_off(priv, led->channel, false);
89 	lp3952_on_off(priv, led->channel, true);
91 	return regmap_update_bits(priv->regmap, reg, 3 << shift_val,
108 static int lp3952_register_led_classdev(struct lp3952_led_array *priv)
121 		acpi_ret = lp3952_get_label(&priv->client->dev, led_name_hdl[i],
122 					    priv->leds[i].name);
126 		priv->leds[i].cdev.name = priv->leds[i].name;
127 		priv->leds[i].cdev.brightness = LED_OFF;
128 		priv->leds[i].cdev.max_brightness = LP3952_BRIGHT_MAX;
129 		priv->leds[i].cdev.brightness_set_blocking =
131 		priv->leds[i].channel = i;
132 		priv->leds[i].priv = priv;
134 		ret = devm_led_classdev_register(&priv->client->dev,
135 						 &priv->leds[i].cdev);
137 			dev_err(&priv->client->dev,
139 				priv->leds[i].cdev.name);
146 static int lp3952_set_pattern_gen_cmd(struct lp3952_led_array *priv,
166 	ret = lp3952_register_write(priv->client,
172 	return lp3952_register_write(priv->client,
177 static int lp3952_configure(struct lp3952_led_array *priv)
182 	ret = lp3952_register_write(priv->client, LP3952_REG_LED_CTRL, 0);
187 	ret = lp3952_register_write(priv->client, LP3952_REG_PAT_GEN_CTRL,
193 	ret = lp3952_register_write(priv->client, LP3952_REG_ENABLES,
199 	return lp3952_set_pattern_gen_cmd(priv, 0, I46, I71, I100, TT0,
213 	struct lp3952_led_array *priv;
215 	priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
216 	if (!priv)
219 	priv->client = client;
221 	priv->enable_gpio = devm_gpiod_get(&client->dev, "nrst",
223 	if (IS_ERR(priv->enable_gpio)) {
224 		status = PTR_ERR(priv->enable_gpio);
229 	priv->regmap = devm_regmap_init_i2c(client, &lp3952_regmap);
230 	if (IS_ERR(priv->regmap)) {
231 		int err = PTR_ERR(priv->regmap);
238 	i2c_set_clientdata(client, priv);
240 	status = lp3952_configure(priv);
247 	status = lp3952_register_led_classdev(priv);
259 	struct lp3952_led_array *priv;
261 	priv = i2c_get_clientdata(client);
262 	lp3952_on_off(priv, LP3952_LED_ALL, false);
263 	gpiod_set_value(priv->enable_gpio, 0);