Thread (1 message) 1 message, 1 author, 2014-01-01
  • (off-list ancestor, not in this archive)
  • Re: Changes on xpad.c · Dmitry Torokhov <dmitry.torokhov@gmail.com> · 2014-01-01

Re: Changes on xpad.c

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2014-01-01 19:24:06

Hi Thomaz, Nol, Ilia,

Happy New Year!

On Thu, Dec 26, 2013 at 10:07:58PM -0200, Thomaz de Oliveira dos Reis wrote:
Hi!

Hope it is correct.
You forgot to add "Signed-off-by: ..." to your change.

Ilia, Nol, you have added the initial mappings for Razer devices and
chose to map directional pad to buttons instead of HAT0X/Y axis. Could
you remind me why?

Thanks!
2013/12/26 Dmitry Torokhov [off-list ref]
quoted
Hi Tomaz,

On Sat, Dec 21, 2013 at 09:48:12PM -0200, Thomaz de Oliveira dos Reis
wrote:
quoted
Hi!

I noticed that Razer Onza controller, different from tradional xbox
gamepad, the dpad doesn't works in most games. (Some games is possibile
to
quoted
configure changing a config file or with interface options but many games
it doesn't works at all)

Looking at module source code, I saw that  it uses the
MAP_DPAD_TO_BUTTONS
quoted
that was created to use with dance pad (with this controller is not), as
written on this comment:

Line 69:  *  - dance pads will map D-PAD to buttons, not axes

Change this to 0 improve overal compatibility of the controller in most
games, without losing any meaningful functionality.

Also, if someone REALLY need this strange configuration, the user can set
the "dpad_to_buttons" module param as described here:

Line 103: MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather
than axes for unknown pads");

Attached the modified xpad.c module, downloaded from linux-next git file
from today.
Please generate a unified diff for your change. See
Documentation/SubmittngPatches for explanation how to do this.

Thanks.


--
Dmitry
quoted hunk
--- drivers/input/joystick/xpad.c.orig	2013-12-26 22:02:44.239687200 -0200
+++ drivers/input/joystick/xpad.c	2013-12-26 22:03:13.199687196 -0200
@@ -166,8 +166,8 @@ static const struct xpad_device {
 	{ 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
 	{ 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
 	{ 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
-	{ 0x1689, 0xfd00, "Razer Onza Tournament Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
-	{ 0x1689, 0xfd01, "Razer Onza Classic Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
+	{ 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
+	{ 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
 	{ 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
 	{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
 	{ 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },

-- 
Dmitry
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