1 // SPDX-License-Identifier: GPL-2.0-or-later
6  *  Fixes the HID report descriptor by removing a non-existent axis and
7  *  clearing the constant bit on the input reports for buttons and d-pad.
8  *  (This module is based on "hid-ortek".)
12  *  Fixes the mode button which cycles through three constantly pressed
25 #include "hid-ids.h"
33 	int mode;  member
39 	unsigned long quirks = id->driver_data;  in saitek_probe()
43 	ssc = devm_kzalloc(&hdev->dev, sizeof(*ssc), GFP_KERNEL);  in saitek_probe()
46 		return -ENOMEM;  in saitek_probe()
49 	ssc->quirks = quirks;  in saitek_probe()
50 	ssc->mode = -1;  in saitek_probe()
74 	if ((ssc->quirks & SAITEK_FIX_PS1000) && *rsize == 137 &&  in saitek_report_fixup()
85 		/* clear constant bit on buttons and d-pad */  in saitek_report_fixup()
98 	if (ssc->quirks & SAITEK_RELEASE_MODE_RAT7 && size == 7) {  in saitek_raw_event()
99 		/* R.A.T.7 uses bits 13, 14, 15 for the mode */  in saitek_raw_event()
100 		int mode = -1;  in saitek_raw_event()  local
102 			mode = 0;  in saitek_raw_event()
104 			mode = 1;  in saitek_raw_event()
106 			mode = 2;  in saitek_raw_event()
108 		/* clear mode bits */  in saitek_raw_event()
111 		if (mode != ssc->mode) {  in saitek_raw_event()
112 			hid_dbg(hdev, "entered mode %d\n", mode);  in saitek_raw_event()
113 			if (ssc->mode != -1) {  in saitek_raw_event()
114 				/* use bit 13 as the mode button */  in saitek_raw_event()
117 			ssc->mode = mode;  in saitek_raw_event()
119 	} else if (ssc->quirks & SAITEK_RELEASE_MODE_MMO7 && size == 8) {  in saitek_raw_event()
121 		/* M.M.O.7 uses bits 8, 22, 23 for the mode */  in saitek_raw_event()
122 		int mode = -1;  in saitek_raw_event()  local
124 			mode = 0;  in saitek_raw_event()
126 			mode = 1;  in saitek_raw_event()
128 			mode = 2;  in saitek_raw_event()
130 		/* clear mode bits */  in saitek_raw_event()
134 		if (mode != ssc->mode) {  in saitek_raw_event()
135 			hid_dbg(hdev, "entered mode %d\n", mode);  in saitek_raw_event()
136 			if (ssc->mode != -1) {  in saitek_raw_event()
137 				/* use bit 8 as the mode button, bits 22  in saitek_raw_event()
143 			ssc->mode = mode;  in saitek_raw_event()
154 	struct input_dev *input = field->hidinput->input;  in saitek_event()
156 	if (usage->type == EV_KEY && value &&  in saitek_event()
157 			(((ssc->quirks & SAITEK_RELEASE_MODE_RAT7) &&  in saitek_event()
158 			  usage->code - BTN_MOUSE == 10) ||  in saitek_event()
159 			((ssc->quirks & SAITEK_RELEASE_MODE_MMO7) &&  in saitek_event()
160 			 usage->code - BTN_MOUSE == 15))) {  in saitek_event()
162 		input_report_key(input, usage->code, 1);  in saitek_event()
165 		input_report_key(input, usage->code, 0);  in saitek_event()