linux-kernel - [PATCH v2] dell-wmi: Set correct keycode for Fn + left arrow hotkey

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Message-Id: <20180501111154.9244-1-pali.rohar@gmail.com>
Date:   Tue,  1 May 2018 13:11:54 +0200
From:   Pali Rohár <pali.rohar@...il.com>
To:     Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Mario Limonciello <mario.limonciello@...l.com>,
        Henk <henk.vergonet@...il.com>
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] dell-wmi: Set correct keycode for Fn + left arrow hotkey

From: Henk <henk.vergonet@...il.com>

Fn + left arrow hotkey combination is used for enabling/disabling automatic
display brigthness based on integrated ALS sensor. For this purpose there
is standard linux key KEY_BRIGHTNESS_AUTO so use it instead of KEY_UNKNOWN.

Tested on Dell Lattitude E6500.

Signed-off-by: Henk Vergonet <henk.vergonet@...il.com>
Reviewed-By: Pali Rohár <pali.rohar@...il.com>
Reviewed-By: Mario Limonciello <mario.limonciello@...l.com>
---
Changes since v1 by Pali
* Update commit description
---
 drivers/platform/x86/dell-wmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 8d102195..7c918e37 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -233,7 +233,7 @@ static const u16 bios_to_linux_keycode[256] = {
 	[18]	= KEY_PROG1,
 	[19]	= KEY_BRIGHTNESSDOWN,
 	[20]	= KEY_BRIGHTNESSUP,
-	[21]	= KEY_UNKNOWN,
+	[21]	= KEY_BRIGHTNESS_AUTO,
 	[22]	= KEY_KBDILLUMTOGGLE,
 	[23]	= KEY_UNKNOWN,
 	[24]	= KEY_SWITCHVIDEOMODE,
-- 
2.11.0