From 0314a57577449e2c8a3106e12bcc731cde8d1306 Mon Sep 17 00:00:00 2001
From: Themaister <maister@archlinux.us>
Date: Thu, 26 Sep 2013 14:20:54 +0200
Subject: [PATCH] Don't install 0-strength rumble effects.

---
 input/udev_joypad.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/input/udev_joypad.c b/input/udev_joypad.c
index c1b69cdc80..9761ec593c 100644
--- a/input/udev_joypad.c
+++ b/input/udev_joypad.c
@@ -216,7 +216,7 @@ static bool udev_set_rumble(unsigned i, enum retro_rumble_effect effect, uint16_
    // Setting at init seems to work for pads which are hotplugged ...
    //
    // This approach might be cleaner in the end if we end up supporting configurable force feedback.
-   if (!pad->has_set_ff[effect])
+   if (!pad->has_set_ff[effect] && strength)
    {
       struct ff_effect e;
       memset(&e, 0, sizeof(e));
@@ -237,8 +237,8 @@ static bool udev_set_rumble(unsigned i, enum retro_rumble_effect effect, uint16_
 
       pad->has_set_ff[effect] = true;
       pad->effects[effect] = e.id;
-      pad->strength[effect] = strength;
    }
+   pad->strength[effect] = strength;
 
    if (strength)
    {
@@ -348,7 +348,6 @@ static int open_joystick(const char *path)
    if (fd < 0)
       return fd;
 
-
    unsigned long evbit[NBITS(EV_MAX)] = {0};
    unsigned long keybit[NBITS(KEY_MAX)] = {0};
    unsigned long absbit[NBITS(ABS_MAX)] = {0};
@@ -362,7 +361,6 @@ static int open_joystick(const char *path)
    if (!test_bit(EV_KEY, evbit))
       goto error;
 
-
    return fd;
 
 error:
@@ -402,7 +400,6 @@ static bool add_pad(unsigned i, int fd, const char *path)
       return false;
    }
 
-
    RARCH_LOG("[udev]: Plugged pad: %s on port #%u.\n", pad->ident, i);
 
    struct stat st;