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authorYurii Pavlovskyi2019-05-14 21:07:46 +0200
committerAndy Shevchenko2019-06-17 15:22:47 +0300
commit3e58167ac3703c9b15a8600ab559d239f3d4dd97 (patch)
tree48eb0154e3cf5f5a79e26ed94446908e46b10a12 /drivers/platform
parentb096f626a6827ad2ced5ebdbdc04e62422d463f6 (diff)
platform/x86: asus-wmi: Do not disable keyboard backlight on unloading
The keyboard backlight is automatically disabled when the module is unloaded as it is exposed as a ledclass device. Change this behavior to ignore setting brightness when the device is in unloading state. Signed-off-by: Yurii Pavlovskyi <yurii.pavlovskyi@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/asus-wmi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 5712bc56fa10..508e6ad47793 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -471,6 +471,10 @@ 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);
}