From ab9bb11ccbaa9e84be2534b677fe5350c2cc2014 Mon Sep 17 00:00:00 2001
From: Alex Hung <alex.hung@canonical.com>
Date: Fri, 17 Jun 2016 11:44:27 +0800
Subject: [PATCH] dell-wmi: Add a WMI event code for display on/off
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Some new Dell AIO systems have a button that generates a WMI event to
turn the LCD on/off.

Signed-off-by: Alex Hung <alex.hung@canonical.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
 drivers/platform/x86/dell-wmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index b8ad055078cf..d2bc092defd7 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -133,6 +133,9 @@ static const struct key_entry dell_wmi_keymap_type_0000[] __initconst = {
 	/* Audio panel key */
 	{ KE_IGNORE, 0xe026, { KEY_RESERVED } },
 
+	/* LCD Display On/Off Control key */
+	{ KE_KEY,    0xe027, { KEY_DISPLAYTOGGLE } },
+
 	/* Untested, Multimedia key on Dell Vostro 3560 */
 	/* { KE_IGNORE, 0xe028, { KEY_RESERVED } }, */
 
-- 
2.20.1