asus-wmi: fix keyboard backlight detection

Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Corentin Chary 2011-07-01 11:34:34 +02:00 committed by Matthew Garrett
parent 8fe8c25ef9
commit af965e9732
1 changed files with 2 additions and 1 deletions

View File

@ -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)