Commit 71afe3cb authored May 26, 2017 by Jan Kiszka Committed by Jacek Anaszewski May 29, 2017

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>

parent 7678da8e

drivers/leds/trigger/ledtrig-gpio.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;

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