diff options
Diffstat (limited to 'drivers/leds/leds-lt3593.c')
-rw-r--r-- | drivers/leds/leds-lt3593.c | 64 |
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, |