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authorDan Murphy <dmurphy@ti.com>2018-07-02 18:12:14 (GMT)
committerJacek Anaszewski <jacek.anaszewski@gmail.com>2018-07-03 20:26:51 (GMT)
commit9a5c1c64ac0a4d01c78328283dac7a9dc33ff0f9 (patch)
treea5fac50ff77240d335c9cb598fdde11bd11d0848 /drivers/leds
parent43d20ff3633112322de38c18b4b35bbbf04438d7 (diff)
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>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-lm3692x.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
index e518ae3..9e6432b 100644
--- a/drivers/leds/leds-lm3692x.c
+++ b/drivers/leds/leds-lm3692x.c
@@ -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);

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