linux-kernel - [PATCH v1 1/1] leds: an30259a: Get rid of custom led_init_default_state

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Message-Id: <20220802212554.7216-1-andriy.shevchenko@linux.intel.com>
Date:   Wed,  3 Aug 2022 00:25:54 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Pavel Machek <pavel@....cz>
Subject: [PATCH v1 1/1] leds: an30259a: 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@...ux.intel.com>
---
 drivers/leds/leds-an30259a.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/leds/leds-an30259a.c b/drivers/leds/leds-an30259a.c
index a0df1fb28774..d368df776153 100644
--- a/drivers/leds/leds-an30259a.c
+++ b/drivers/leds/leds-an30259a.c
@@ -55,10 +55,6 @@
 
 #define AN30259A_NAME "an30259a"
 
-#define STATE_OFF 0
-#define STATE_KEEP 1
-#define STATE_ON 2
-
 struct an30259a;
 
 struct an30259a_led {
@@ -66,7 +62,7 @@ struct an30259a_led {
 	struct fwnode_handle *fwnode;
 	struct led_classdev cdev;
 	u32 num;
-	u32 default_state;
+	enum led_default_state default_state;
 	bool sloping;
 };
 
@@ -228,15 +224,7 @@ static int an30259a_dt_init(struct i2c_client *client,
 		led->num = source;
 		led->chip = chip;
 		led->fwnode = of_fwnode_handle(child);
-
-		if (!of_property_read_string(child, "default-state", &str)) {
-			if (!strcmp(str, "on"))
-				led->default_state = STATE_ON;
-			else if (!strcmp(str, "keep"))
-				led->default_state = STATE_KEEP;
-			else
-				led->default_state = STATE_OFF;
-		}
+		led->default_state = led_init_default_state_get(led->fwnode);
 
 		i++;
 	}
@@ -261,10 +249,10 @@ static void an30259a_init_default_state(struct an30259a_led *led)
 	int led_on, err;
 
 	switch (led->default_state) {
-	case STATE_ON:
+	case LEDS_DEFSTATE_ON:
 		led->cdev.brightness = LED_FULL;
 		break;
-	case STATE_KEEP:
+	case LEDS_DEFSTATE_KEEP:
 		err = regmap_read(chip->regmap, AN30259A_REG_LED_ON, &led_on);
 		if (err)
 			break;
-- 
2.35.1