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hps_led: enable brightness change notification.

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This commit is contained in:
Sorgelig
2019-06-09 18:25:04 +08:00
parent 722e03aa82
commit e26fa487da
1 changed files with 6 additions and 0 deletions
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6
drivers/leds/leds-gpio.c
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@@ -22,6 +22,7 @@ struct gpio_led_data {
struct gpio_desc *gpiod;
u8 can_sleep;
u8 blinking;
enum led_brightness prev_value;
gpio_blink_set_t platform_gpio_blink_set;
};
@@ -52,6 +53,9 @@ static void gpio_led_set(struct led_classdev *led_cdev,
else
gpiod_set_value(led_dat->gpiod, level);
}
if(led_dat->prev_value != value) led_classdev_notify_brightness_hw_changed(led_cdev, value);
led_dat->prev_value = value;
}
static int gpio_led_set_blocking(struct led_classdev *led_cdev,
@@ -105,6 +109,8 @@ static int create_gpio_led(const struct gpio_led *template,
if (template->retain_state_shutdown)
led_dat->cdev.flags |= LED_RETAIN_AT_SHUTDOWN;
led_dat->cdev.flags |= LED_BRIGHT_HW_CHANGED;
ret = gpiod_direction_output(led_dat->gpiod, state);
if (ret < 0)
return ret;