linux-kernel - [PATCH] HID: hid-asus: Maps 0x35 to KEY

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Date:   Mon, 18 Oct 2021 09:51:10 -0300
From:   "Vinicius A. Reis" <angiolucci@...il.com>
To:     jikos@...nel.org
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Vinicius A. Reis" <angiolucci@...il.com>
Subject: [PATCH] HID: hid-asus: Maps 0x35 to KEY_SCREENLOCK

Asus laptops are able to turn both the display and keyboard backlit off
by pressing a dedicated "turn display off" key (usually fn+f6). However,
on Linux systems, this key has no effect at all since most desktop
environments don't deal with KEY_DISPLAY_OFF. By mapping that key to
KEY_SCREENLOCK instead, would enable it to work as close as intended by
the manufacturer, since desktop envirorments would handle this as a
screen lock request by the user, locking the screen (and turning both
the display and keyboard backlit off on environments that support it).

Signed-off-by: Vinicius A. Reis <angiolucci@...il.com>
---
 drivers/hid/hid-asus.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index f3ecddc519ee..e5c7bfa68cd6 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -854,7 +854,9 @@ static int asus_input_mapping(struct hid_device *hdev,
 		switch (usage->hid & HID_USAGE) {
 		case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
 		case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP);		break;
-		case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF);		break;
+		case 0x35:
+			asus_map_key_clear(KEY_SCREENLOCK);
+			break;
 		case 0x6c: asus_map_key_clear(KEY_SLEEP);		break;
 		case 0x7c: asus_map_key_clear(KEY_MICMUTE);		break;
 		case 0x82: asus_map_key_clear(KEY_CAMERA);		break;
-- 
2.32.0