linux-kernel - [PATCH v1 1/1] leds: pm8058: Get rid of custom led_init_default_state

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Message-Id: <20220802212513.7029-1-andriy.shevchenko@linux.intel.com>
Date:   Wed,  3 Aug 2022 00:25:13 +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: pm8058: 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-pm8058.c | 29 +++++++++++++++--------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
index fb2ab72c0c40..b9233f14b646 100644
--- a/drivers/leds/leds-pm8058.c
+++ b/drivers/leds/leds-pm8058.c
@@ -93,8 +93,8 @@ static int pm8058_led_probe(struct platform_device *pdev)
 	struct device_node *np;
 	int ret;
 	struct regmap *map;
-	const char *state;
 	enum led_brightness maxbright;
+	enum led_default_state state;
 
 	led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
 	if (!led)
@@ -125,25 +125,26 @@ static int pm8058_led_probe(struct platform_device *pdev)
 		maxbright = 15; /* 4 bits */
 	led->cdev.max_brightness = maxbright;
 
-	state = of_get_property(np, "default-state", NULL);
-	if (state) {
-		if (!strcmp(state, "keep")) {
-			led->cdev.brightness = pm8058_led_get(&led->cdev);
-		} else if (!strcmp(state, "on")) {
-			led->cdev.brightness = maxbright;
-			pm8058_led_set(&led->cdev, maxbright);
-		} else {
-			led->cdev.brightness = LED_OFF;
-			pm8058_led_set(&led->cdev, LED_OFF);
-		}
+	init_data.fwnode = of_fwnode_handle(np);
+
+	state = led_init_default_state_get(init_data.fwnode);
+	switch (state) {
+	case LEDS_DEFSTATE_ON:
+		led->cdev.brightness = maxbright;
+		pm8058_led_set(&led->cdev, maxbright);
+		break;
+	case LEDS_DEFSTATE_KEEP:
+		led->cdev.brightness = pm8058_led_get(&led->cdev);
+		break;
+	default:
+		led->cdev.brightness = LED_OFF;
+		pm8058_led_set(&led->cdev, LED_OFF);
 	}
 
 	if (led->ledtype == PM8058_LED_TYPE_KEYPAD ||
 	    led->ledtype == PM8058_LED_TYPE_FLASH)
 		led->cdev.flags	= LED_CORE_SUSPENDRESUME;
 
-	init_data.fwnode = of_fwnode_handle(np);
-
 	ret = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
 	if (ret)
 		dev_err(dev, "Failed to register LED for %pOF\n", np);
-- 
2.35.1