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Commit 27b9d5a2 authored by Simon Wood's avatar Simon Wood Committed by Jiri Kosina
Browse files

INPUT: xpad: switch Logitech G920 Wheel into HID mode 



When plugged in the Logitech G920 wheel starts with USBID 046d:c261
and behaviors as a vendor specific class. If a 'magic' byte sequence
is sent the wheel will detach and reconnect as a HID device with the
USBID 046d:c262.

Signed-off-by: default avatarSimon Wood <simon@mungewell.org>
Acked-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 6a13feb9

drivers/input/joystick/xpad.c

+16 −0
Original line number Diff line number Diff line
@@ -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
@@ -133,6 +134,7 @@ 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 */
@@ -1021,6 +1024,19 @@ 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;