From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> The sysfs active_low attribute doesn't go through the usual paths so it doesn't emit the line-state event. Add the missing call to gpiod_line_state_notify() to gpio_sysfs_set_active_low(). Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> --- drivers/gpio/gpiolib-sysfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index de3ed75b097e..cc5c51ca9478 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -306,6 +306,8 @@ static int gpio_sysfs_set_active_low(struct device *dev, int value) status = gpio_sysfs_request_irq(dev, flags); } + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_CONFIG); + return status; } -- 2.45.2