#include <led.h>
#include <asm/gpio.h>
#include <dm/lists.h>
+#include <dm/uclass-internal.h>
struct led_gpio_priv {
struct gpio_desc gpio;
{
struct led_uc_plat *uc_plat = dev_get_uclass_platdata(dev);
struct led_gpio_priv *priv = dev_get_priv(dev);
+ const char *default_state;
+ int ret;
/* Ignore the top-level LED node */
if (!uc_plat->label)
return 0;
- return gpio_request_by_name(dev, "gpios", 0, &priv->gpio, GPIOD_IS_OUT);
+
+ ret = gpio_request_by_name(dev, "gpios", 0, &priv->gpio, GPIOD_IS_OUT);
+ if (ret)
+ return ret;
+
+ default_state = dev_read_string(dev, "default-state");
+ if (default_state) {
+ if (!strncmp(default_state, "on", 2))
+ gpio_led_set_state(dev, LEDST_ON);
+ else if (!strncmp(default_state, "off", 3))
+ gpio_led_set_state(dev, LEDST_OFF);
+ }
+ return 0;
}
static int led_gpio_remove(struct udevice *dev)
return ret;
uc_plat = dev_get_uclass_platdata(dev);
uc_plat->label = label;
+
+ if (ofnode_read_bool(node, "default-state")) {
+ struct udevice *devp;
+
+ ret = uclass_get_device_tail(dev, 0, &devp);
+ if (ret)
+ return ret;
+ }
}
return 0;