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Date:   Mon,  1 Mar 2021 23:34:50 +0000
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Subject: [PATCH] [v3] Input: Add "Share" button to Microsoft Xbox One controller.
From:   Chris Ye <lzye@google.com>
To:     "=?UTF-8?q?=C5=81ukasz=20Patron?=" <priv.luk@gmail.com>,
        Benjamin Valentin <benpicco@googlemail.com>,
        Chris Ye <lzye@google.com>, Lee Jones <lee.jones@linaro.org>,
        "=?UTF-8?q?Olivier=20Cr=C3=AAte?=" <olivier.crete@ocrete.ca>,
        Sanjay Govind <sanjay.govind9@gmail.com>,
        Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc:     linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
        trivial@kernel.org, kernel-team@android.com
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

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@google.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..b51c0e381cc9 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 Xbox 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 +1673,11 @@ 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_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]);
-- 
2.30.1.766.gb4fecdf3b7-goog