[PATCH 1/2] input: Add event code for accessibility key

[Aseda Aboagye <aaboagye@chromium.org>]

HUTRR116 added support for a new usage titled "System Accessibility
Binding" which toggles a system-wide bound accessibility UI or command.
This commit simply adds a new event code for the usage.

Signed-off-by: Aseda Aboagye <aaboagye@chromium.org>
---
 drivers/hid/hid-debug.c                | 1 +
 drivers/hid/hid-input.c                | 3 +++
 include/uapi/linux/input-event-codes.h | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index e7ef1ea107c9..7749c81b6227 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -974,6 +974,7 @@ static const char *keys[KEY_MAX + 1] = {
        [KEY_CAMERA_ACCESS_ENABLE] = "CameraAccessEnable",
        [KEY_CAMERA_ACCESS_DISABLE] = "CameraAccessDisable",
        [KEY_CAMERA_ACCESS_TOGGLE] = "CameraAccessToggle",
+       [KEY_ACCESSIBILITY] = "Accessibility",
        [KEY_DICTATE] = "Dictate",
        [KEY_MICMUTE] = "MicrophoneMute",
        [KEY_BRIGHTNESS_MIN] = "BrightnessMin",
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 851ee86eff32..6d2dbb75ba65 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -829,6 +829,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                if ((usage->hid & 0xf0) == 0xa0) {      /* SystemControl */
                        switch (usage->hid & 0xf) {
                        case 0x9: map_key_clear(KEY_MICMUTE); break;
+                       case 0xa:
+                               map_key_clear(KEY_ACCESSIBILITY);
+                               break;
                        default: goto ignore;
                        }
                        break;
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 022a520e31fc..980ef7fefd2b 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -617,6 +617,8 @@
 #define KEY_CAMERA_ACCESS_ENABLE       0x24b   /* Enables programmatic access to camera devices. (HUTRR72) */
 #define KEY_CAMERA_ACCESS_DISABLE      0x24c   /* Disables programmatic access to camera devices. (HUTRR72) */
 #define KEY_CAMERA_ACCESS_TOGGLE       0x24d   /* Toggles the current state of the camera access control. (HUTRR72) */
+/* Toggles the system bound accessibility UI/command (HUTRR116) */
+#define KEY_ACCESSIBILITY              0x24e
 
 #define KEY_BRIGHTNESS_MIN             0x250   /* Set Brightness to Minimum */
 #define KEY_BRIGHTNESS_MAX             0x251   /* Set Brightness to Maximum */

base-commit: 5128de84d8fc849400d00f7a6982711f129699ea
-- 
2.45.1.288.g0e0cd299f1-goog