asus-wmi: fix keyboard backlight detection

Signed-off-by: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
git-mirror · Aug 5, 2011 · af965e9 · af965e9
1 parent 8fe8c25
commit af965e9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
@@ -395,8 +395,9 @@ static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
 	retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
 					    0xFFFF);
 
+	/* Unknown status is considered as off */
 	if (retval == 0x8000)
-		retval = -ENODEV;
+		retval = 0;
 
 	if (retval >= 0) {
 		if (level)