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dm: led: Adjust the LED uclass

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At present this is very simple, supporting only on and off. We want to
also support toggling and blinking. As a first step, change the name of
the main method and use an enum to indicate the state.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ziping Chen <techping.chan@gmail.com>
This commit is contained in:
Simon Glass
2017-04-10 11:34:54 -06:00
parent 56e19871dc
commit ddae9fcddc
4 changed files with 22 additions and 14 deletions
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6
drivers/led/led-uclass.c
View File

@@ -32,14 +32,14 @@ int led_get_by_label(const char *label, struct udevice **devp)
return -ENODEV;
}
int led_set_on(struct udevice *dev, int on)
int led_set_state(struct udevice *dev, enum led_state_t state)
{
struct led_ops *ops = led_get_ops(dev);
if (!ops->set_on)
if (!ops->set_state)
return -ENOSYS;
return ops->set_on(dev, on);
return ops->set_state(dev, state);
}
UCLASS_DRIVER(led) = {

6
drivers/led/led_gpio.c
View File

@@ -18,14 +18,14 @@ struct led_gpio_priv {
struct gpio_desc gpio;
};
static int gpio_led_set_on(struct udevice *dev, int on)
static int gpio_led_set_state(struct udevice *dev, enum led_state_t state)
{
struct led_gpio_priv *priv = dev_get_priv(dev);
if (!dm_gpio_is_valid(&priv->gpio))
return -EREMOTEIO;
return dm_gpio_set_value(&priv->gpio, on);
return dm_gpio_set_value(&priv->gpio, state);
}
static int led_gpio_probe(struct udevice *dev)
@@ -87,7 +87,7 @@ static int led_gpio_bind(struct udevice *parent)
}
static const struct led_ops gpio_led_ops = {
.set_on = gpio_led_set_on,
.set_state = gpio_led_set_state,
};
static const struct udevice_id led_gpio_ids[] = {