The keyboard backlight is disabled when module is unloaded as it is
exposed as LED device. Change this behavior to ignore setting 0 brightness
when the ledclass device is unloading.
Signed-off-by: Yurii Pavlovskyi <yurii.pavlovskyi@xxxxxxxxx>
---
drivers/platform/x86/asus-wmi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 941c628945ac..a0ffdd99eae2 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -475,6 +475,10 @@ static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
static void kbd_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
+ /* Prevent disabling keyboard backlight on module unregister */
+ if (led_cdev->flags & LED_UNREGISTERING)
+ return;
+
do_kbd_led_set(led_cdev, value);
}
--
2.17.1
