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authorSimon Wood <simon@mungewell.org>2015-11-19 23:42:10 (GMT)
committerJiri Kosina <jkosina@suse.cz>2015-11-20 09:27:34 (GMT)
commit27b9d5a254dcbc6095404c1bab7c335419601eb8 (patch)
tree393a513d6fde498b24e90ce7cb9214d1d4856d77
parent6a13feb9c82803e2b815eca72fa7a9f5561d7861 (diff)
downloadlinux-27b9d5a254dcbc6095404c1bab7c335419601eb8.tar.xz
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: 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>
-rw-r--r--drivers/input/joystick/xpad.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index f8850f9..af83f7e 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
@@ -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;