Merge branch 'for-dmitry/logitech-g920-merge-base' into for-4.5/logitech

Pull the branch that has been established to be jointly merged to both hid.git
and input.git, because both trees have different depending patches on top.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index fd4100d56d8c..338a3a4f8996 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -93,6 +93,7 @@
 #define MAP_STICKS_TO_NULL              (1 << 2)
 #define DANCEPAD_MAP_CONFIG     (MAP_DPAD_TO_BUTTONS |                  \
                                 MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)
+#define SWITCH_G920_TO_HID_MODE         (1 << 3)
 
 #define XTYPE_XBOX        0
 #define XTYPE_XBOX360     1
@@ -134,6 +135,7 @@ static const struct xpad_device {
         { 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 },
         { 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
         { 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
+        { 0x046d, 0xc261, "Logitech G920 Driving Force Racing Wheel", SWITCH_G920_TO_HID_MODE, XTYPE_XBOXONE },
         { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
         { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
         { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
@@ -299,6 +301,7 @@ static struct usb_device_id xpad_table[] = {
         XPAD_XBOX360_VENDOR(0x045e),            /* Microsoft X-Box 360 controllers */
         XPAD_XBOXONE_VENDOR(0x045e),            /* Microsoft X-Box One controllers */
         XPAD_XBOX360_VENDOR(0x046d),            /* Logitech X-Box 360 style controllers */
+        XPAD_XBOXONE_VENDOR(0x046d),            /* Logitech X-Box One style controllers */
         XPAD_XBOX360_VENDOR(0x0738),            /* Mad Catz X-Box 360 controllers */
         { USB_DEVICE(0x0738, 0x4540) },         /* Mad Catz Beat Pad */
         XPAD_XBOX360_VENDOR(0x0e6f),            /* 0x0e6f X-Box 360 controllers */
@@ -1048,6 +1051,19 @@ static int xpad_open(struct input_dev *dev)
         if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
                 return -EIO;
 
+        /* Logitect G920 wheel starts in XBOX mode, but is reconfigured to be HID  */
+        /* device with USBID of 046D:C262. Wheel will detach when 'magic' is sent. */
+        if (xpad->mapping & SWITCH_G920_TO_HID_MODE) {
+                xpad->odata[0] = 0x0F;
+                xpad->odata[1] = 0x00;
+                xpad->odata[2] = 0x01;
+                xpad->odata[3] = 0x01;
+                xpad->odata[4] = 0x42;
+                xpad->irq_out->transfer_buffer_length = 5;
+
+                return usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+        }
+
         if (xpad->xtype == XTYPE_XBOXONE) {
                 /* Xbox one controller needs to be initialized. */
                 xpad->odata[0] = 0x05;