1 // SPDX-License-Identifier: GPL-2.0-or-later
10  *  - tested with an EXEQ EQ-PCU-02090 game controller.
12  * Copyright (c) 2010 Sergei Kolzun <x0r@dv-life.ru>
23 #include "hid-ids.h"
28 	struct hid_report *report;  member
35 	struct hid_report *report = axff->report;  in axff_play()  local
40 	left = effect->u.rumble.strong_magnitude;  in axff_play()
41 	right = effect->u.rumble.weak_magnitude;  in axff_play()
48 	for (i = 0; i < report->maxfield; i++) {  in axff_play()
49 		for (j = 0; j < report->field[i]->report_count; j++) {  in axff_play()
50 			report->field[i]->value[j] =  in axff_play()
57 	hid_hw_request(hid, axff->report, HID_REQ_SET_REPORT);  in axff_play()
65 	struct hid_report *report;  in axff_init()  local
67 	struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list;  in axff_init()
71 	int error;  in axff_init()  local
73 	if (list_empty(&hid->inputs)) {  in axff_init()
75 		return -ENODEV;  in axff_init()
77 	hidinput = list_first_entry(&hid->inputs, struct hid_input, list);  in axff_init()
78 	dev = hidinput->input;  in axff_init()
82 		return -ENODEV;  in axff_init()
85 	report = list_first_entry(report_list, struct hid_report, list);  in axff_init()
86 	for (i = 0; i < report->maxfield; i++) {  in axff_init()
87 		for (j = 0; j < report->field[i]->report_count; j++) {  in axff_init()
88 			report->field[i]->value[j] = 0x00;  in axff_init()
93 	if (field_count < 4 && hid->product != 0xf705) {  in axff_init()
94 		hid_err(hid, "not enough fields in the report: %d\n",  in axff_init()
96 		return -ENODEV;  in axff_init()
101 		return -ENOMEM;  in axff_init()
103 	set_bit(FF_RUMBLE, dev->ffbit);  in axff_init()
105 	error = input_ff_create_memless(dev, axff, axff_play);  in axff_init()
106 	if (error)  in axff_init()
109 	axff->report = report;  in axff_init()
110 	hid_hw_request(hid, axff->report, HID_REQ_SET_REPORT);  in axff_init()
112 	hid_info(hid, "Force Feedback for ACRUX game controllers by Sergei Kolzun <x0r@dv-life.ru>\n");  in axff_init()
118 	return error;  in axff_init()
129 	int error;  in ax_probe()  local
131 	dev_dbg(&hdev->dev, "ACRUX HID hardware probe...\n");  in ax_probe()
133 	error = hid_parse(hdev);  in ax_probe()
134 	if (error) {  in ax_probe()
136 		return error;  in ax_probe()
139 	error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);  in ax_probe()
140 	if (error) {  in ax_probe()
142 		return error;  in ax_probe()
145 	error = axff_init(hdev);  in ax_probe()
146 	if (error) {  in ax_probe()
152 			 "Failed to enable force feedback support, error: %d\n",  in ax_probe()
153 			 error);  in ax_probe()
160 	error = hid_hw_open(hdev);  in ax_probe()
161 	if (error) {  in ax_probe()
162 		dev_err(&hdev->dev, "hw open failed\n");  in ax_probe()
164 		return error;  in ax_probe()