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leds: bcm6328: 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@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230103131256.33894-5-andriy.shevchenko@linux.intel.com
This commit is contained in:
Andy Shevchenko 2023-01-03 15:12:49 +02:00 committed by Lee Jones
parent 5ff422a77d
commit 67d162e8bf
1 changed files with 24 additions and 25 deletions
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49
drivers/leds/leds-bcm6328.c
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@ -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)