The new GPIO may have a different state than the old one. Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> --- drivers/leds/trigger/ledtrig-gpio.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/leds/trigger/ledtrig-gpio.c b/drivers/leds/trigger/ledtrig-gpio.c index 51288a45fbcb..93d6b82e6437 100644 --- a/drivers/leds/trigger/ledtrig-gpio.c +++ b/drivers/leds/trigger/ledtrig-gpio.c @@ -170,6 +170,8 @@ static ssize_t gpio_trig_gpio_store(struct device *dev, if (gpio_data->gpio != 0) free_irq(gpio_to_irq(gpio_data->gpio), led); gpio_data->gpio = gpio; + /* After changing the GPIO, we need to update the LED. */ + schedule_work(&gpio_data->work); } return ret ? ret : n; -- 2.12.0
