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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: 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
View File

@ -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);