/* * HID driver for Xin-Mo devices, currently only the Dual Arcade controller. * Fixes the negative axis event values (the devices sends -2) to match the * logical axis minimum of the HID report descriptor (the report announces * -1). It is needed because hid-input discards out of bounds values. * (This module is based on "hid-saitek" and "hid-lg".) * * Copyright (c) 2013 Olivier Scherler */ /* * 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. */ #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> #include <linux/kernel.h> #include "hid-ids.h" /* * Fix negative events that are out of bounds. */ static int xinmo_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { switch (usage->code) { case ABS_X: case ABS_Y: case ABS_Z: case ABS_RX: if (value < -1) { input_event(field->hidinput->input, usage->type, usage->code, -1); return 1; } break; } return 0; } static const struct hid_device_id xinmo_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, { } }; MODULE_DEVICE_TABLE(hid, xinmo_devices); static struct hid_driver xinmo_driver = { .name = "xinmo", .id_table = xinmo_devices, .event = xinmo_event }; module_hid_driver(xinmo_driver); MODULE_LICENSE("GPL");