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leds: lm3692x: Change DT calls to fwnode calls

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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: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
This commit is contained in:
Dan Murphy 2018-07-02 13:12:14 -05:00 committed by Jacek Anaszewski
parent 43d20ff363
commit 9a5c1c64ac
1 changed files with 21 additions and 17 deletions
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38
drivers/leds/leds-lm3692x.c
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@ -267,30 +267,15 @@ out:
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);