From: Corentin Chary <corentin.chary@gmail.com>
Date: Fri, 1 Jul 2011 09:34:34 +0000 (+0200)
Subject: asus-wmi: fix keyboard backlight detection
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=af965e973276b015d1b7d9ee78ed8d8df9d6bc98;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

asus-wmi: fix keyboard backlight detection

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 41a96f2b136e..4b0384e140f8 100644
--- 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)