[PATCH v3 05/11] leds: bcm6358: Get rid of custom led_init_default_state_get()

Andy Shevchenko
2022-09-06T14:18:43Z

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-bcm6358.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/leds/leds-bcm6358.c b/drivers/leds/leds-bcm6358.c
index 9d2e487fa08a..86e51d44a5a7 100644
--- a/drivers/leds/leds-bcm6358.c
+++ b/drivers/leds/leds-bcm6358.c
@@ -96,7 +96,8 @@ static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg,
{
struct led_init_data init_data = {};
struct bcm6358_led *led;
- const char *state;
+ enum led_default_state state;
+ unsigned long val;
int rc;

led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
@@ -110,29 +111,28 @@ static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg,
if (of_property_read_bool(nc, "active-low"))
led->active_low = true;

- if (!of_property_read_string(nc, "default-state", &state)) {
- if (!strcmp(state, "on")) {
+ init_data.fwnode = of_fwnode_handle(nc);
+
+ state = led_init_default_state_get(init_data.fwnode);
+ switch (state) {
+ case LEDS_DEFSTATE_ON:
+ led->cdev.brightness = LED_FULL;
+ break;
+ case LEDS_DEFSTATE_KEEP:
+ val = bcm6358_led_read(led->mem + BCM6358_REG_MODE);
+ val &= BIT(led->pin);
+ if ((led->active_low && !val) || (!led->active_low && val))
led->cdev.brightness = LED_FULL;
- } else if (!strcmp(state, "keep")) {
- unsigned long val;
- val = bcm6358_led_read(led->mem + BCM6358_REG_MODE);
- val &= BIT(led->pin);
- if ((led->active_low && !val) ||
- (!led->active_low && val))
- led->cdev.brightness = LED_FULL;
- else
- led->cdev.brightness = LED_OFF;
- } else {
+ else
led->cdev.brightness = LED_OFF;
- }
- } else {
+ break;
+ default:
led->cdev.brightness = LED_OFF;
}

bcm6358_led_set(&led->cdev, led->cdev.brightness);

led->cdev.brightness_set = bcm6358_led_set;
- init_data.fwnode = of_fwnode_handle(nc);

rc = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
if (rc < 0)
--
2.35.1