summaryrefslogtreecommitdiff
path: root/drivers/leds/leds-bcm6328.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/leds/leds-bcm6328.c')
-rw-r--r--drivers/leds/leds-bcm6328.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
index 2d4d87957a30..246f1296ab09 100644
--- a/drivers/leds/leds-bcm6328.c
+++ b/drivers/leds/leds-bcm6328.c
@@ -330,7 +330,9 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg,
{
struct led_init_data init_data = {};
struct bcm6328_led *led;
- const char *state;
+ enum led_default_state state;
+ unsigned long val, shift;
+ void __iomem *mode;
int rc;
led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
@@ -346,31 +348,29 @@ static int bcm6328_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:
+ shift = bcm6328_pin2shift(led->pin);
+ if (shift / 16)
+ mode = mem + BCM6328_REG_MODE_HI;
+ else
+ mode = mem + BCM6328_REG_MODE_LO;
+
+ val = bcm6328_led_read(mode) >> BCM6328_LED_SHIFT(shift % 16);
+ val &= BCM6328_LED_MODE_MASK;
+ if ((led->active_low && val == BCM6328_LED_MODE_OFF) ||
+ (!led->active_low && val == BCM6328_LED_MODE_ON))
led->cdev.brightness = LED_FULL;
- } else if (!strcmp(state, "keep")) {
- void __iomem *mode;
- unsigned long val, shift;
-
- shift = bcm6328_pin2shift(led->pin);
- if (shift / 16)
- mode = mem + BCM6328_REG_MODE_HI;
- else
- mode = mem + BCM6328_REG_MODE_LO;
-
- val = bcm6328_led_read(mode) >>
- BCM6328_LED_SHIFT(shift % 16);
- val &= BCM6328_LED_MODE_MASK;
- if ((led->active_low && val == BCM6328_LED_MODE_OFF) ||
- (!led->active_low && val == BCM6328_LED_MODE_ON))
- 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;
}
@@ -378,7 +378,6 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg,
led->cdev.brightness_set = bcm6328_led_set;
led->cdev.blink_set = bcm6328_blink_set;
- init_data.fwnode = of_fwnode_handle(nc);
rc = devm_led_classdev_register_ext(dev, &led->cdev, &init_data);
if (rc < 0)