[PATCH] Input: Add "Share" button to Microsoft Xbox One controller.

[Chris Ye <lzye@google.com>]

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 | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 9f0d07dcbf06..08c3e93ccb2f 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -368,6 +368,14 @@ static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
 	-1
 };
 
+static const signed short xpad_xboxone_btn[] = {
+	/* buttons for xbox one controller */
+	BTN_TL, BTN_TR,		/* Button LB/RB */
+	BTN_MODE,		/* The big X button */
+	KEY_RECORD,		/* The share button */
+	-1
+};
+
 static const signed short xpad_abs[] = {
 	ABS_X, ABS_Y,		/* left stick */
 	ABS_RX, ABS_RY,		/* right stick */
@@ -862,6 +870,7 @@ 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);
+	input_report_key(dev, KEY_RECORD, data[22] & 0x01);
 
 	/* buttons A,B,X,Y */
 	input_report_key(dev, BTN_A,	data[4] & 0x10);
@@ -1668,10 +1677,13 @@ static int xpad_init_input(struct usb_xpad *xpad)
 		input_set_capability(input_dev, EV_KEY, xpad_common_btn[i]);
 
 	/* set up model-specific ones */
-	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
-	    xpad->xtype == XTYPE_XBOXONE) {
+	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
 		for (i = 0; xpad360_btn[i] >= 0; i++)
 			input_set_capability(input_dev, EV_KEY, xpad360_btn[i]);
+	}  else if (xpad->xtype == XTYPE_XBOXONE) {
+		for (i = 0; xpad_xboxone_btn[i] >= 0; i++)
+			input_set_capability(input_dev, EV_KEY,
+						xpad_xboxone_btn[i]);
 	} 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