linux-kernel - [PATCH v3] HID: Add mapping for KEY_ALL

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Date:   Thu,  3 Mar 2022 03:57:03 +0000
From:   William Mahon <wmahon@...omium.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     William Mahon <wmahon@...gle.com>,
        William Mahon <wmahon@...omium.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jiri Kosina <jikos@...nel.org>, linux-input@...r.kernel.org
Subject: [PATCH v3] HID: Add mapping for KEY_ALL_APPLICATIONS

This patch adds a new key definition for KEY_ALL_APPLICATIONS
and aliases KEY_DASHBOARD to it.

It also maps the 0x0c/0x2a2 usage code to KEY_ALL_APPLICATIONS.

Signed-off-by: William Mahon <wmahon@...omium.org>
---

 drivers/hid/hid-debug.c                | 1 +
 drivers/hid/hid-input.c                | 2 ++
 include/uapi/linux/input-event-codes.h | 3 ++-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 01135713e8f9..dbde52bd6585 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -939,6 +939,7 @@ static const char *keys[KEY_MAX + 1] = {
 	[KEY_KBDINPUTASSIST_NEXTGROUP] = "KbdInputAssistNextGroup",
 	[KEY_KBDINPUTASSIST_ACCEPT] = "KbdInputAssistAccept",
 	[KEY_KBDINPUTASSIST_CANCEL] = "KbdInputAssistCancel",
+	[KEY_ALL_APPLICATIONS] = "AllApplications",
 };
 
 static const char *relatives[REL_MAX + 1] = {
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index eccd89b5ea9f..c3e303c1d8d1 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1162,6 +1162,8 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 
 		case 0x29d: map_key_clear(KEY_KBD_LAYOUT_NEXT);	break;
 
+		case 0x2a2: map_key_clear(KEY_ALL_APPLICATIONS);	break;
+
 		case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV);		break;
 		case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT);		break;
 		case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP);		break;
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 311a57f3e01a..556aa8f88201 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -278,7 +278,8 @@
 #define KEY_PAUSECD		201
 #define KEY_PROG3		202
 #define KEY_PROG4		203
-#define KEY_DASHBOARD		204	/* AL Dashboard */
+#define KEY_ALL_APPLICATIONS	204
+#define KEY_DASHBOARD	KEY_ALL_APPLICATIONS /* AL Dashboard */
 #define KEY_SUSPEND		205
 #define KEY_CLOSE		206	/* AC Close */
 #define KEY_PLAY		207
-- 
2.35.1.616.g0bdcbb4464-goog