Source
hid_info(hid, "Force Feedback for ACRUX game controllers by Sergei Kolzun <x0r@dv-life.ru>\n");
/*
* Force feedback support for ACRUX game controllers
*
* From what I have gathered, these devices are mass produced in China
* by several vendors. They often share the same design as the original
* Xbox 360 controller.
*
* 1a34:0802 "ACRUX USB GAMEPAD 8116"
* - tested with an EXEQ EQ-PCU-02090 game controller.
*
* Copyright (c) 2010 Sergei Kolzun <x0r@dv-life.ru>
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
struct axff_device {
struct hid_report *report;
};
static int axff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct axff_device *axff = data;
struct hid_report *report = axff->report;
int field_count = 0;
int left, right;
int i, j;
left = effect->u.rumble.strong_magnitude;
right = effect->u.rumble.weak_magnitude;
dbg_hid("called with 0x%04x 0x%04x", left, right);
left = left * 0xff / 0xffff;
right = right * 0xff / 0xffff;
for (i = 0; i < report->maxfield; i++) {
for (j = 0; j < report->field[i]->report_count; j++) {
report->field[i]->value[j] =
field_count % 2 ? right : left;