linux-kernel - [PATCH] [v2] Input: Add "Share" button to Microsoft Xbox One controller.

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Date:   Thu, 25 Feb 2021 05:32:04 +0000
From:   Chris Ye <lzye@...gle.com>
To:     "Łukasz Patron " <priv.luk@...il.com>,
        Benjamin Valentin <benpicco@...glemail.com>,
        Chris Ye <lzye@...gle.com>, Lee Jones <lee.jones@...aro.org>,
        "Olivier Crête " <olivier.crete@...ete.ca>,
        Sanjay Govind <sanjay.govind9@...il.com>,
        Andrzej Pietrasiewicz <andrzej.p@...labora.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        trivial@...nel.org, kernel-team@...roid.com
Subject: [PATCH] [v2] Input: Add "Share" button to Microsoft Xbox One controller.

Add "Share" button input capability and input event mapping for
Microsoft Xbox One controller.
Fixed Microsoft Xbox One controller share button not working under USB
connection.

Signed-off-by: Chris Ye <lzye@...gle.com>
---
 drivers/input/joystick/xpad.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 9f0d07dcbf06..0c3374091aff 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -79,6 +79,7 @@
 #define MAP_DPAD_TO_BUTTONS		(1 << 0)
 #define MAP_TRIGGERS_TO_BUTTONS		(1 << 1)
 #define MAP_STICKS_TO_NULL		(1 << 2)
+#define MAP_SHARE_BUTTON		(1 << 3)
 #define DANCEPAD_MAP_CONFIG	(MAP_DPAD_TO_BUTTONS |			\
 				MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)
 
@@ -130,6 +131,7 @@ static const struct xpad_device {
 	{ 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", 0, XTYPE_XBOXONE },
 	{ 0x045e, 0x02ea, "Microsoft X-Box One S pad", 0, XTYPE_XBOXONE },
 	{ 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
+	{ 0x045e, 0x0b12, "Microsoft X-Box One X pad", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
 	{ 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 },
 	{ 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 },
 	{ 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
@@ -862,6 +864,8 @@ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char
 	/* menu/view buttons */
 	input_report_key(dev, BTN_START,  data[4] & 0x04);
 	input_report_key(dev, BTN_SELECT, data[4] & 0x08);
+	if (xpad->mapping & MAP_SHARE_BUTTON)
+		input_report_key(dev, KEY_RECORD, data[22] & 0x01);
 
 	/* buttons A,B,X,Y */
 	input_report_key(dev, BTN_A,	data[4] & 0x10);
@@ -1669,9 +1673,12 @@ static int xpad_init_input(struct usb_xpad *xpad)
 
 	/* set up model-specific ones */
 	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
-	    xpad->xtype == XTYPE_XBOXONE) {
+		xpad->xtype == XTYPE_XBOXONE) {
 		for (i = 0; xpad360_btn[i] >= 0; i++)
 			input_set_capability(input_dev, EV_KEY, xpad360_btn[i]);
+		if (xpad->mapping & MAP_SHARE_BUTTON) {
+			input_set_capability(input_dev, EV_KEY, KEY_RECORD);
+		}
 	} else {
 		for (i = 0; xpad_btn[i] >= 0; i++)
 			input_set_capability(input_dev, EV_KEY, xpad_btn[i]);
-- 
2.30.0.617.g56c4b15f3c-goog