linux-kernel - [PATCH] cros_ec_keyb: Add 3 buttons for monitor function

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Date:   Thu, 15 Dec 2022 14:15:50 +0800
From:   Joe Wu <joewu@....corp-partner.google.com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        Xiang wangx <wangxiang@...rlc.com>,
        linux-input@...r.kernel.org, Derek Huang <derekhuang@...gle.com>,
        Joe Wu <joewu@....corp-partner.google.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Benson Leung <bleung@...omium.org>,
        Daisuke Nojiri <dnojiri@...omium.org>,
        Prashant Malani <pmalani@...omium.org>,
        Furquan Shaikh <furquan@...omium.org>,
        Tzung-Bi Shih <tzungbi@...nel.org>,
        chrome-platform@...ts.linux.dev,
        Douglas Anderson <dianders@...omium.org>,
        "Dustin L . Howett" <dustin@...ett.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Guenter Roeck <groeck@...omium.org>,
        "Gustavo A . R . Silva" <gustavoars@...nel.org>,
        Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: [PATCH] cros_ec_keyb: Add 3 buttons for monitor function

This patch is to add extra 3 buttons: 'brightness up',
'brightness down' and 'leave PC(cros) mode' to support
monitor navigation function.

Signed-off-by: Joe Wu <joewu@....corp-partner.google.com>

---

 drivers/input/keyboard/cros_ec_keyb.c          | 15 +++++++++++++++
 include/linux/platform_data/cros_ec_commands.h |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index c14136b733a9..bf1cf0b782d2 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -100,6 +100,21 @@ static const struct cros_ec_bs_map cros_ec_keyb_bs[] = {
 		.code		= KEY_VOLUMEDOWN,
 		.bit		= EC_MKBP_VOL_DOWN,
 	},
+	{
+		.ev_type        = EV_KEY,
+		.code           = KEY_BRIGHTNESSUP,
+		.bit            = EC_MKBP_BRI_UP,
+	},
+	{
+		.ev_type        = EV_KEY,
+		.code           = KEY_BRIGHTNESSDOWN,
+		.bit            = EC_MKBP_BRI_DOWN,
+	},
+	{
+		.ev_type        = EV_KEY,
+		.code           = KEY_F13,
+		.bit            = EC_MKBP_CROS_LEAVE,
+	},
 
 	/* Switches */
 	{
diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index 5744a2d746aa..79218da8a8cb 100644
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -3471,6 +3471,9 @@ struct ec_response_get_next_event_v1 {
 #define EC_MKBP_VOL_UP		1
 #define EC_MKBP_VOL_DOWN	2
 #define EC_MKBP_RECOVERY	3
+#define EC_MKBP_BRI_UP          4
+#define EC_MKBP_BRI_DOWN        5
+#define EC_MKBP_CROS_LEAVE      6
 
 /* Switches */
 #define EC_MKBP_LID_OPEN	0
-- 
2.17.1