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Commit 9a5c1c64 authored by Dan Murphy's avatar Dan Murphy Committed by Jacek Anaszewski
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leds: lm3692x: Change DT calls to fwnode calls 



Update the code to use the fwnode calls as opposed
to ARM DT node api's.

This allows the device to be used with either DT
configurations or ACPI definitions.

Signed-off-by: default avatarDan Murphy <dmurphy@ti.com>
Signed-off-by: default avatarJacek Anaszewski <jacek.anaszewski@gmail.com>
parent 43d20ff3

drivers/leds/leds-lm3692x.c

+21 −17
Original line number Diff line number Diff line
@@ -267,30 +267,15 @@ static int lm3692x_init(struct lm3692x_led *led) 
static int lm3692x_probe(struct i2c_client *client,

			const struct i2c_device_id *id)

{

	int ret;

	struct fwnode_handle *child = NULL;

	struct lm3692x_led *led;

	struct device_node *np = client->dev.of_node;

	struct device_node *child_node;

	const char *name;

	int ret;



	led = devm_kzalloc(&client->dev, sizeof(*led), GFP_KERNEL);

	if (!led)

		return -ENOMEM;



	for_each_available_child_of_node(np, child_node) {

		led->led_dev.default_trigger = of_get_property(child_node,

						    "linux,default-trigger",

						    NULL);



		ret = of_property_read_string(child_node, "label", &name);

		if (!ret)

			snprintf(led->label, sizeof(led->label),

				 "%s:%s", id->name, name);

		else

			snprintf(led->label, sizeof(led->label),

				 "%s::backlight_cluster", id->name);

	};



	led->enable_gpio = devm_gpiod_get_optional(&client->dev,

						   "enable", GPIOD_OUT_LOW);

	if (IS_ERR(led->enable_gpio)) {
@@ -323,6 +308,25 @@ static int lm3692x_probe(struct i2c_client *client, 
	if (ret)

		return ret;



	child = device_get_next_child_node(&led->client->dev, child);

	if (!child) {

		dev_err(&led->client->dev, "No LED Child node\n");

		return ret;

	}



	fwnode_property_read_string(child, "linux,default-trigger",

				    &led->led_dev.default_trigger);



	ret = fwnode_property_read_string(child, "label", &name);

	if (ret)

		snprintf(led->label, sizeof(led->label),

			"%s::", led->client->name);

	else

		snprintf(led->label, sizeof(led->label),

			 "%s:%s", led->client->name, name);



	led->led_dev.dev->of_node = to_of_node(child);



	ret = devm_led_classdev_register(&client->dev, &led->led_dev);

	if (ret) {

		dev_err(&client->dev, "led register err: %d\n", ret);