leds: trigger: gpio: Refresh LED state after GPIO change

The new GPIO may have a different state than the old one.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>

1 files changed, 2 insertions, 0 deletions

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;