platform/x86: asus-wmi: Add param to turn fn-lock mode on by default

* On recent ZenBooks the fn-lock is disabled
  by default on boot while running Windows.

* Add a module param ( fnlock_default ) that allows
  changing the default at probe time

Signed-off-by: Luca Stefani <luca.stefani.ge1@gmail.com>
Link: https://lore.kernel.org/r/20210323210126.145286-1-luca.stefani.ge1@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 9ca15f7..ebaeb7b 100644 (file)
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -47,6 +47,9 @@ MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>, "
 MODULE_DESCRIPTION("Asus Generic WMI Driver");
 MODULE_LICENSE("GPL");
 
+static bool fnlock_default = true;
+module_param(fnlock_default, bool, 0444);
+
 #define to_asus_wmi_driver(pdrv)                                       \
        (container_of((pdrv), struct asus_wmi_driver, platform_driver))
 
@@ -2673,7 +2676,7 @@ static int asus_wmi_add(struct platform_device *pdev)
                err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
 
        if (asus_wmi_has_fnlock_key(asus)) {
-               asus->fnlock_locked = true;
+               asus->fnlock_locked = fnlock_default;
                asus_wmi_fnlock_update(asus);
        }