commit af965e973276b015d1b7d9ee78ed8d8df9d6bc98
author Corentin Chary <corentin.chary@gmail.com> Fri Jul 01 11:34:34 2011 +0200
committer Matthew Garrett <mjg@redhat.com> Fri Aug 05 14:45:57 2011 -0400
tree 003fc5dcee22107752d45dad370c76ff9c0b3faf
parent 8fe8c25ef92ffc773a49c4b0dab2938a6fd64489

asus-wmi: fix keyboard backlight detection

Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

drivers/platform/x86/asus-wmi.c

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 41a96f2..4b0384e 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -395,8 +395,9 @@
 	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)