linux-kernel - [PATCH] HID: Add mapping for KEY

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Date:   Thu, 17 Feb 2022 04:14:54 +0000
From:   William Mahon <wmahon@...omium.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     William Mahon <wmahon@...gle.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jiri Kosina <jikos@...nel.org>, linux-input@...r.kernel.org
Subject: [PATCH] HID: Add mapping for KEY_DICTATE

Numerous keyboards are adding dicate keys which allows for text
messages to be dicated by a microphone.

This patch adds a new key definition KEY_DICTATE and maps 0x0c/0x0d8
usage code to this new keycode. Additionally hid-debug is adjusted to
recognize this new usage code as well.

Signed-off-by: William Mahon <wmahon@...gle.com>
---

 drivers/hid/hid-debug.c                | 1 +
 drivers/hid/hid-input.c                | 1 +
 include/uapi/linux/input-event-codes.h | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 26c31d759914..8aa68416b1d7 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -969,6 +969,7 @@ static const char *keys[KEY_MAX + 1] = {
 	[KEY_ASSISTANT] = "Assistant",
 	[KEY_KBD_LAYOUT_NEXT] = "KbdLayoutNext",
 	[KEY_EMOJI_PICKER] = "EmojiPicker",
+	[KEY_DICTATE] = "Dictate",
 	[KEY_BRIGHTNESS_MIN] = "BrightnessMin",
 	[KEY_BRIGHTNESS_MAX] = "BrightnessMax",
 	[KEY_BRIGHTNESS_AUTO] = "BrightnessAuto",
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 112901d2d8d2..0c6c6db942ca 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -992,6 +992,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 		case 0x0cd: map_key_clear(KEY_PLAYPAUSE);	break;
 		case 0x0cf: map_key_clear(KEY_VOICECOMMAND);	break;
 
+		case 0x0d8: map_key_clear(KEY_DICTATE);	break;
 		case 0x0d9: map_key_clear(KEY_EMOJI_PICKER);	break;
 
 		case 0x0e0: map_abs_clear(ABS_VOLUME);		break;
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 225ec87d4f22..12246594891c 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -735,6 +735,8 @@
 #define KEY_KBD_LCD_MENU4		0x2bb
 #define KEY_KBD_LCD_MENU5		0x2bc
 
+#define KEY_DICTATE 			0x27b
+
 #define BTN_TRIGGER_HAPPY		0x2c0
 #define BTN_TRIGGER_HAPPY1		0x2c0
 #define BTN_TRIGGER_HAPPY2		0x2c1
-- 
2.35.1.265.g69c8d7142f-goog