asus-wmi: don't update power and brightness when using scalar
But we can still do it on other boards, as this might happen
if the backlight driver change when update_bl is called.
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index ff9cfd8..7d1684b 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -1152,15 +1152,21 @@
ctrl_param, NULL);
if (asus->driver->quirks->store_backlight_power)
asus->driver->panel_power = bd->props.power;
- } else {
- if (asus->driver->quirks->scalar_panel_brightness)
- ctrl_param = get_scalar_command(bd);
- else
- ctrl_param = bd->props.brightness;
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
- ctrl_param, NULL);
+ /* When using scalar brightness, updating the brightness
+ * will mess with the backlight power */
+ if (asus->driver->quirks->scalar_panel_brightness)
+ return err;
}
+
+ if (asus->driver->quirks->scalar_panel_brightness)
+ ctrl_param = get_scalar_command(bd);
+ else
+ ctrl_param = bd->props.brightness;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
+ ctrl_param, NULL);
+
return err;
}