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platform/x86: dell-wmi: Set correct keycode for Fn + left arrow 

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>
This commit is contained in:
Henk 2018-05-01 13:11:54 +02:00 committed by Andy Shevchenko
parent c7a437fdd6
commit 8b0695841d
1 changed files with 1 additions and 1 deletions
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drivers/platform/x86/dell-wmi.c
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@ -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,