platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIG...

[ Upstream commit 9e7a005ad56aa7d6ea5830c5ffcc60bf35de380b ]

Got a dmesg message on my AMD Renoir based Acer laptop:
"acer_wmi: Unknown key number - 0x84" when toggling keyboard
background light

Signed-off-by: Timo Witte <timo.witte@gmail.com>
Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com>
Link: https://lore.kernel.org/r/20200804001423.36778-1-timo.witte@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 1be71f956d5c2872a1c31d77482bf65ddcb733a1..29f6f2bbb5fffb2b59ac13747445e960303cd50c 100644 (file)
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -124,6 +124,7 @@ static const struct key_entry acer_wmi_keymap[] __initconst = {
        {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
        {KE_IGNORE, 0x81, {KEY_SLEEP} },
        {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
+       {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
        {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
        {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
        {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },