1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include "hid-lg.h"
19 	struct hid_report *report;  member
29 	strong = effect->u.rumble.strong_magnitude;  in play_effect()
30 	weak = effect->u.rumble.weak_magnitude;  in play_effect()
36 		lg2ff->report->field[0]->value[0] = 0x51;  in play_effect()
37 		lg2ff->report->field[0]->value[2] = weak;  in play_effect()
38 		lg2ff->report->field[0]->value[4] = strong;  in play_effect()
40 		lg2ff->report->field[0]->value[0] = 0xf3;  in play_effect()
41 		lg2ff->report->field[0]->value[2] = 0x00;  in play_effect()
42 		lg2ff->report->field[0]->value[4] = 0x00;  in play_effect()
45 	hid_hw_request(hid, lg2ff->report, HID_REQ_SET_REPORT);  in play_effect()
52 	struct hid_report *report;  in lg2ff_init()  local
55 	int error;  in lg2ff_init()  local
57 	if (list_empty(&hid->inputs)) {  in lg2ff_init()
59 		return -ENODEV;  in lg2ff_init()
61 	hidinput = list_entry(hid->inputs.next, struct hid_input, list);  in lg2ff_init()
62 	dev = hidinput->input;  in lg2ff_init()
64 	/* Check that the report looks ok */  in lg2ff_init()
65 	report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7);  in lg2ff_init()
66 	if (!report)  in lg2ff_init()
67 		return -ENODEV;  in lg2ff_init()
71 		return -ENOMEM;  in lg2ff_init()
73 	set_bit(FF_RUMBLE, dev->ffbit);  in lg2ff_init()
75 	error = input_ff_create_memless(dev, lg2ff, play_effect);  in lg2ff_init()
76 	if (error) {  in lg2ff_init()
78 		return error;  in lg2ff_init()
81 	lg2ff->report = report;  in lg2ff_init()
82 	report->field[0]->value[0] = 0xf3;  in lg2ff_init()
83 	report->field[0]->value[1] = 0x00;  in lg2ff_init()
84 	report->field[0]->value[2] = 0x00;  in lg2ff_init()
85 	report->field[0]->value[3] = 0x00;  in lg2ff_init()
86 	report->field[0]->value[4] = 0x00;  in lg2ff_init()
87 	report->field[0]->value[5] = 0x00;  in lg2ff_init()
88 	report->field[0]->value[6] = 0x00;  in lg2ff_init()
90 	hid_hw_request(hid, report, HID_REQ_SET_REPORT);  in lg2ff_init()