[PATCH v3 09/11] leds: pm8058: Get rid of custom led_init_default_state_get()

Andy Shevchenko
2022-09-06T14:26:21Z

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>
---
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