[PATCH] platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE

[Timo Witte]

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.wi...@gmail.com>
---
 drivers/platform/x86/acer-wmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 60c18f21588d..87797f785d6a 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -111,6 +111,7 @@ 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_LIGHTS_TOGGLE} }, /* 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} },
-- 
2.27.0