linux-kernel - [PATCH 1/2] Input: Add keycodes for keyboard backlight control

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Date:   Mon,  2 Mar 2020 16:56:44 -0800
From:   Rajat Jain <rajatja@...gle.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        dtor@...gle.com
Cc:     Rajat Jain <rajatja@...gle.com>, rajatxjain@...il.com
Subject: [PATCH 1/2] Input: Add keycodes for keyboard backlight control

New keyboards can have backlight control keys. Allocating keycodes
for them. Such keyboards are already available in ChromeOS.

Signed-off-by: Rajat Jain <rajatja@...gle.com>
---
 include/uapi/linux/input-event-codes.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 0f1db1cccc3fd..e12a19dc30262 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -652,6 +652,10 @@
 /* Electronic privacy screen control */
 #define KEY_PRIVACY_SCREEN_TOGGLE	0x279
 
+/* Keyboard Backlight control */
+#define KEY_KBD_BKLIGHT_UP              0x280
+#define KEY_KBD_BKLIGHT_DOWN            0x281
+
 /*
  * Some keyboards have keys which do not have a defined meaning, these keys
  * are intended to be programmed / bound to macros by the user. For most
-- 
2.25.0.265.gbab2e86ba0-goog