From 8b0695841da8a66e26ca9e7656c238d4c91d48d2 Mon Sep 17 00:00:00 2001
From: Henk <henk.vergonet@gmail.com>
Date: Tue, 1 May 2018 13:11:54 +0200
Subject: [PATCH] platform/x86: dell-wmi: Set correct keycode for Fn + left arrow
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Git-commit: 8b0695841da8a66e26ca9e7656c238d4c91d48d2
Patch-mainline: v4.18-rc1
References: FATE#325842
Fn + left arrow hotkey combination is used for enabling/disabling automatic
display brightness 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@gmail.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 8d102195a392..7c918e373ac2 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,
--
2.19.1