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authorClement Calmels <clement.calmels@free.fr>2015-12-12 21:20:11 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-12-16 17:11:29 -0800
commit93a017aa2f77291752e637bfd83f2459dba714cb (patch)
tree15a0e90518ebec955a52ef79e7a541bde3267079
parent9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff)
downloadop-kernel-dev-93a017aa2f77291752e637bfd83f2459dba714cb.zip
op-kernel-dev-93a017aa2f77291752e637bfd83f2459dba714cb.tar.gz
Input: xpad - remove spurious events of wireless xpad 360 controller
When powering up a wireless xbox 360 controller, some wrong joystick events are generated. It is annoying because, for example, it makes unwanted moves in Steam big picture mode's menu. When my controller is powering up, this packet is received by the driver: 00000000: 00 0f 00 f0 00 cc ff cf 8b e0 86 6a 68 f0 00 20 ...........jh.. 00000010: 13 e3 20 1d 30 03 40 01 50 01 ff ff .. .0.@.P... According to xboxdrv userspace driver source code, this packet is only dumping a serial id and should not be interpreted as joystick events. This issue can be easily seen with jstest: $ jstest --event /dev/input/js0 This patch only adds a way to filter out this "serial" packet and as a result it removes the spurous events. Signed-off-by: Clement Calmels <clement.calmels@free.fr> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--drivers/input/joystick/xpad.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index fd4100d..c44cbd4 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -527,7 +527,7 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha
}
/* Valid pad data */
- if (!(data[1] & 0x1))
+ if (data[1] != 0x1)
return;
xpad360_process_packet(xpad, cmd, &data[4]);
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