From a0979923d7c34c9c60d0ee8a533f9502dcfbd42b Mon Sep 17 00:00:00 2001 From: Anssi Hannula Date: Thu, 3 Apr 2008 16:18:10 -0400 Subject: [PATCH] Input: xpad - fix dpad handling of unknown devices For devices not specifically listed in xpad.c, xpad->dpad_mapping is initially set to MAP_DPAD_UNKNOWN. In xpad_probe() it gets changed to either MAP_DPAD_TO_BUTTONS or MAP_DPAD_TO_AXES, depending on the module parameter dpad_to_buttons. However, MAP_DPAD_UNKNOWN is defined as -1, while the field is u8. This results in actual value of 255, causing the MAP_DPAD_UNKNOWN check in xpad_probe() to fail. Fix that by defining MAP_DPAD_UNKNOWN as 2 instead. Also, setting module parameter dpad_to_buttons to 1 should obviously map dpad to buttons, while the default behaviour (0) should be to map dpad to axes. However, dpad_to_buttons is directly assigned to xpad->dpad_mapping, and as MAP_DPAD_TO_BUTTONS is 0, the actual behaviour is reversed. Fix that by negating dpad_to_buttons in assignment. Signed-off-by: Anssi Hannula Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/xpad.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 8804ad30da..6288c4f6e3 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -87,7 +87,7 @@ but we map them to axes when possible to simplify things */ #define MAP_DPAD_TO_BUTTONS 0 #define MAP_DPAD_TO_AXES 1 -#define MAP_DPAD_UNKNOWN -1 +#define MAP_DPAD_UNKNOWN 2 #define XTYPE_XBOX 0 #define XTYPE_XBOX360 1 @@ -653,7 +653,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id xpad->dpad_mapping = xpad_device[i].dpad_mapping; xpad->xtype = xpad_device[i].xtype; if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) - xpad->dpad_mapping = dpad_to_buttons; + xpad->dpad_mapping = !dpad_to_buttons; if (xpad->xtype == XTYPE_UNKNOWN) xpad->xtype = (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC); xpad->dev = input_dev; -- 2.39.5