Input: xpad - map "Select" button on 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.

Signed-off-by: Chris Ye <lzye@google.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20210414021201.2462114-1-lzye@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index d69d7657ab12d8ba9de63be532ad60b061913e2b..29de8412e41655f7fae6e32884180eda090f4a27 100644 (file)
--- 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 },
@@ -864,6 +866,8 @@ 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);
@@ -1674,6 +1678,8 @@ static int xpad_init_input(struct usb_xpad *xpad)
            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]);