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INPUT: xpad: switch Logitech G920 Wheel into HID mode

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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: Simon Wood <simon@mungewell.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Simon Wood 2015-11-19 16:42:10 -07:00 committed by Jiri Kosina
parent 6a13feb9c8
commit 27b9d5a254
1 changed files with 16 additions and 0 deletions
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16
drivers/input/joystick/xpad.c
View file

@ -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;