linux-kernel - [PATCH] [v4] Input: Add "Select" button to Microsoft Xbox One controller.

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Date:   Tue, 13 Apr 2021 01:02:52 +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] [v4] Input: Add "Select" button to Microsoft Xbox One controller.

Add "Select" button input capability and input event mapping for
Microsoft Xbox One controller. From product site this is also referred as
"Share" button.
Fixed Microsoft Xbox One controller select button not working under USB
connection.

Signed-off-by: Chris Ye <lzye@...gle.com>
---
 drivers/input/joystick/xpad.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 9f0d07dcbf06..99cb8bb78570 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_SELECT_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 Xbox One X pad", MAP_SELECT_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_SELECT_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 +1673,11 @@ 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_SELECT_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]);
-- 
2.31.1.295.g9ea45b61b8-goog