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path: root/drivers/leds/leds-lt3593.c
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Diffstat (limited to 'drivers/leds/leds-lt3593.c')
-rw-r--r--drivers/leds/leds-lt3593.c64
1 files changed, 1 insertions, 63 deletions
diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index de3623e0d094..83e8e58d81cb 100644
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -60,67 +60,14 @@ static int lt3593_led_set(struct led_classdev *led_cdev,
return 0;
}
-static struct lt3593_led_data *lt3593_led_probe_pdata(struct device *dev)
-{
- struct gpio_led_platform_data *pdata = dev_get_platdata(dev);
- const struct gpio_led *template = &pdata->leds[0];
- struct lt3593_led_data *led_data;
- int ret, state;
-
- if (pdata->num_leds != 1)
- return ERR_PTR(-EINVAL);
-
- led_data = devm_kzalloc(dev, sizeof(*led_data), GFP_KERNEL);
- if (!led_data)
- return ERR_PTR(-ENOMEM);
-
- led_data->cdev.name = template->name;
- led_data->cdev.default_trigger = template->default_trigger;
- led_data->cdev.brightness_set_blocking = lt3593_led_set;
-
- state = (template->default_state == LEDS_GPIO_DEFSTATE_ON);
- led_data->cdev.brightness = state ? LED_FULL : LED_OFF;
-
- if (!template->retain_state_suspended)
- led_data->cdev.flags |= LED_CORE_SUSPENDRESUME;
-
- ret = devm_gpio_request_one(dev, template->gpio, state ?
- GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
- template->name);
- if (ret < 0)
- return ERR_PTR(ret);
-
- led_data->gpiod = gpio_to_desc(template->gpio);
- if (!led_data->gpiod)
- return ERR_PTR(-EPROBE_DEFER);
-
- ret = devm_led_classdev_register(dev, &led_data->cdev);
- if (ret < 0)
- return ERR_PTR(ret);
-
- dev_info(dev, "registered LT3593 LED '%s' at GPIO %d\n",
- template->name, template->gpio);
-
- return led_data;
-}
-
static int lt3593_led_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct lt3593_led_data *led_data;
struct fwnode_handle *child;
int ret, state = LEDS_GPIO_DEFSTATE_OFF;
- enum gpiod_flags flags = GPIOD_OUT_LOW;
const char *tmp;
- if (dev_get_platdata(dev)) {
- led_data = lt3593_led_probe_pdata(dev);
- if (IS_ERR(led_data))
- return PTR_ERR(led_data);
-
- goto out;
- }
-
if (!dev->of_node)
return -ENODEV;
@@ -151,13 +98,8 @@ static int lt3593_led_probe(struct platform_device *pdev)
&led_data->cdev.default_trigger);
if (!fwnode_property_read_string(child, "default-state", &tmp)) {
- if (!strcmp(tmp, "keep")) {
- state = LEDS_GPIO_DEFSTATE_KEEP;
- flags = GPIOD_ASIS;
- } else if (!strcmp(tmp, "on")) {
+ if (!strcmp(tmp, "on"))
state = LEDS_GPIO_DEFSTATE_ON;
- flags = GPIOD_OUT_HIGH;
- }
}
led_data->cdev.name = led_data->name;
@@ -171,20 +113,16 @@ static int lt3593_led_probe(struct platform_device *pdev)
}
led_data->cdev.dev->of_node = dev->of_node;
-
-out:
platform_set_drvdata(pdev, led_data);
return 0;
}
-#ifdef CONFIG_OF
static const struct of_device_id of_lt3593_leds_match[] = {
{ .compatible = "lltc,lt3593", },
{},
};
MODULE_DEVICE_TABLE(of, of_lt3593_leds_match);
-#endif
static struct platform_driver lt3593_led_driver = {
.probe = lt3593_led_probe,