gpiolib: notify user-space when a driver requests its own desc

We notify user-space about lines being requested from user-space or by
drivers calling gpiod_get() but not when drivers request their own lines
so add the missing call to gpiod_line_state_notify().

Reviewed-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20241018-gpio-notify-in-kernel-events-v5-1-c79135e58a1c@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

drivers/gpio/gpiolib.c

@@ -2532,6 +2532,8 @@ struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
 		return ERR_PTR(ret);
 	}
 
+	gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED);
+
 	return desc;
 }
 EXPORT_SYMBOL_GPL(gpiochip_request_own_desc);