summaryrefslogtreecommitdiff
path: root/drivers/led
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/led')
-rw-r--r--drivers/led/led-uclass.c30
-rw-r--r--drivers/led/led_gpio.c17
2 files changed, 30 insertions, 17 deletions
diff --git a/drivers/led/led-uclass.c b/drivers/led/led-uclass.c
index 2f4d69eedd..2859475a6b 100644
--- a/drivers/led/led-uclass.c
+++ b/drivers/led/led-uclass.c
@@ -8,6 +8,7 @@
#include <dm.h>
#include <errno.h>
#include <led.h>
+#include <dm/device-internal.h>
#include <dm/root.h>
#include <dm/uclass-internal.h>
@@ -63,6 +64,35 @@ int led_set_period(struct udevice *dev, int period_ms)
}
#endif
+int led_default_state(void)
+{
+ struct udevice *dev;
+ struct uclass *uc;
+ const char *default_state;
+ int ret;
+
+ ret = uclass_get(UCLASS_LED, &uc);
+ if (ret)
+ return ret;
+ for (uclass_find_first_device(UCLASS_LED, &dev);
+ dev;
+ uclass_find_next_device(&dev)) {
+ default_state = dev_read_string(dev, "default-state");
+ if (!default_state)
+ continue;
+ ret = device_probe(dev);
+ if (ret)
+ return ret;
+ if (!strncmp(default_state, "on", 2))
+ led_set_state(dev, LEDST_ON);
+ else if (!strncmp(default_state, "off", 3))
+ led_set_state(dev, LEDST_OFF);
+ /* default-state = "keep" : device is only probed */
+ }
+
+ return ret;
+}
+
UCLASS_DRIVER(led) = {
.id = UCLASS_LED,
.name = "led",
diff --git a/drivers/led/led_gpio.c b/drivers/led/led_gpio.c
index a36942b934..93f6b913c6 100644
--- a/drivers/led/led_gpio.c
+++ b/drivers/led/led_gpio.c
@@ -10,7 +10,6 @@
#include <led.h>
#include <asm/gpio.h>
#include <dm/lists.h>
-#include <dm/uclass-internal.h>
struct led_gpio_priv {
struct gpio_desc gpio;
@@ -58,7 +57,6 @@ static int led_gpio_probe(struct udevice *dev)
{
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 */
@@ -69,13 +67,6 @@ static int led_gpio_probe(struct udevice *dev)
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;
}
@@ -118,14 +109,6 @@ static int led_gpio_bind(struct udevice *parent)
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;