[ Upstream commit 7975a1d6a7afeb3eb61c971a153d24dd8fa032f3 ]

According to HUTRR73 usages 0x79, 0x7a and 0x7c from the consumer page
correspond to Brightness Up/Down/Toggle keys, so let's add the mappings.

Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/hid/hid-input.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 468da6f6765db..290efac7e6bfd 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -908,6 +908,10 @@ static void hidinput_configure_usage(struct hid_input 
*hidinput, struct hid_fiel
                case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX);          break;
                case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO);         break;
 
+               case 0x079: map_key_clear(KEY_KBDILLUMUP);      break;
+               case 0x07a: map_key_clear(KEY_KBDILLUMDOWN);    break;
+               case 0x07c: map_key_clear(KEY_KBDILLUMTOGGLE);  break;
+
                case 0x082: map_key_clear(KEY_VIDEO_NEXT);      break;
                case 0x083: map_key_clear(KEY_LAST);            break;
                case 0x084: map_key_clear(KEY_ENTER);           break;
-- 
2.20.1



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