@@ -57,6 +57,7 @@ static struct quirk_entry *quirks;
static struct quirk_entry quirk_asus_unknown = {
.wapf = 0,
+ .wmi_backlight_set_devstate = true,
};
/*
@@ -67,15 +68,18 @@ static struct quirk_entry quirk_asus_unknown = {
static struct quirk_entry quirk_asus_x55u = {
.wapf = 4,
.wmi_backlight_power = true,
+ .wmi_backlight_set_devstate = true,
.no_display_toggle = true,
};
static struct quirk_entry quirk_asus_wapf4 = {
.wapf = 4,
+ .wmi_backlight_set_devstate = true,
};
static struct quirk_entry quirk_asus_x200ca = {
.wapf = 2,
+ .wmi_backlight_set_devstate = true,
};
static int dmi_matched(const struct dmi_system_id *dmi)
@@ -2093,7 +2093,7 @@ static int asus_wmi_add(struct platform_device *pdev)
err = asus_wmi_backlight_init(asus);
if (err && err != -ENODEV)
goto fail_backlight;
- } else
+ } else if (asus->driver->quirks->wmi_backlight_set_devstate)
err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
status = wmi_install_notify_handler(asus->driver->event_guid,
@@ -42,6 +42,7 @@ struct quirk_entry {
bool scalar_panel_brightness;
bool store_backlight_power;
bool wmi_backlight_power;
+ bool wmi_backlight_set_devstate;
int wapf;
/*
* For machines with AMD graphic chips, it will send out WMI event