leds: mt6323: Get rid of custom led_init_default_state_get()

LED core provides a helper to parse default state from firmware node.
Use it instead of custom implementation.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230103131256.33894-7-andriy.shevchenko@linux.intel.com

diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c
index f59e0e8bda8bb2c9541b3b2bd6d4ffa2f6e8d5df..17ee88043f5296ca1fb774197c58651d455f70b9 100644 (file)
--- a/drivers/leds/leds-mt6323.c
+++ b/drivers/leds/leds-mt6323.c
@@ -339,23 +339,23 @@ static int mt6323_led_set_dt_default(struct led_classdev *cdev,
                                     struct device_node *np)
 {
        struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev);
-       const char *state;
+       enum led_default_state state;
        int ret = 0;
 
-       state = of_get_property(np, "default-state", NULL);
-       if (state) {
-               if (!strcmp(state, "keep")) {
-                       ret = mt6323_get_led_hw_brightness(cdev);
-                       if (ret < 0)
-                               return ret;
-                       led->current_brightness = ret;
-                       ret = 0;
-               } else if (!strcmp(state, "on")) {
-                       ret =
-                       mt6323_led_set_brightness(cdev, cdev->max_brightness);
-               } else  {
-                       ret = mt6323_led_set_brightness(cdev, LED_OFF);
-               }
+       state = led_init_default_state_get(of_fwnode_handle(np));
+       switch (state) {
+       case LEDS_DEFSTATE_ON:
+               ret = mt6323_led_set_brightness(cdev, cdev->max_brightness);
+               break;
+       case LEDS_DEFSTATE_KEEP:
+               ret = mt6323_get_led_hw_brightness(cdev);
+               if (ret < 0)
+                       return ret;
+               led->current_brightness = ret;
+               ret = 0;
+               break;
+       default:
+               ret = mt6323_led_set_brightness(cdev, LED_OFF);
        }
 
        return ret;