1 // SPDX-License-Identifier: GPL-2.0-or-later
6  *  Copyright (c) 2015-2018 Terry Junge <[email protected]>
9 #include "hid-ids.h"
55 	unsigned long plt_type = drv_data->device_type;  in plantronics_input_mapping()
56 	int allow_mute = usage->hid == HID_TELEPHONY_MUTE;  in plantronics_input_mapping()
57 	int allow_consumer = field->application == HID_CP_CONSUMERCONTROL &&  in plantronics_input_mapping()
58 			(usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&  in plantronics_input_mapping()
59 			usage->hid != HID_CONSUMER_MUTE;  in plantronics_input_mapping()
62 	if (field->application == HID_GD_JOYSTICK)  in plantronics_input_mapping()
65 	/* non-standard types or multi-HID interfaces - plt_type is PID */  in plantronics_input_mapping()
71 			if (usage->hid == HID_CONSUMER_MUTE) {  in plantronics_input_mapping()
88 	/* handle vendor unique types - plt_type is 0xffa0uuuu or 0xffa2uuuu */  in plantronics_input_mapping()
89 	/* if not 'basic telephony compliant' - map vendor unique controls */  in plantronics_input_mapping()
92 	      !((field->application ^ plt_type) & HID_USAGE_PAGE))  in plantronics_input_mapping()
93 		switch (usage->hid) {  in plantronics_input_mapping()
115 	hid_dbg(hdev, "usage: %08x (appl: %08x) - ignored\n",  in plantronics_input_mapping()
116 		usage->hid, field->application);  in plantronics_input_mapping()
117 	return -1;  in plantronics_input_mapping()
120 	hid_dbg(hdev, "usage: %08x (appl: %08x) - defaulted\n",  in plantronics_input_mapping()
121 		usage->hid, field->application);  in plantronics_input_mapping()
126 	hid_dbg(hdev, "usage: %08x (appl: %08x) - mapped to key %d\n",  in plantronics_input_mapping()
127 		usage->hid, field->application, mapped_key);  in plantronics_input_mapping()
140 	/* HZ too low for ms resolution - double key detection disabled */  in plantronics_event()
141 	/* or it is a key release - handle key presses only. */  in plantronics_event()
142 	if (!drv_data->double_key_to || !value)  in plantronics_event()
145 	prev_tsto = drv_data->last_key_ts + drv_data->double_key_to;  in plantronics_event()
146 	cur_ts = drv_data->last_key_ts = jiffies;  in plantronics_event()
147 	prev_key = drv_data->last_key;  in plantronics_event()
148 	cur_key = drv_data->last_key = usage->code;  in plantronics_event()
150 	/* If the same key occurs in <= double_key_to -- ignore it */  in plantronics_event()
161 	unsigned long plt_type = hdev->product;  in plantronics_device_type()
163 	/* multi-HID interfaces? - plt_type is PID */  in plantronics_device_type()
167 	/* determine primary vendor page */  in plantronics_device_type()
168 	for (i = 0; i < hdev->maxcollection; i++) {  in plantronics_device_type()
169 		col_page = hdev->collection[i].usage & HID_USAGE_PAGE;  in plantronics_device_type()
171 			plt_type = hdev->collection[i].usage;  in plantronics_device_type()
175 			plt_type = hdev->collection[i].usage;  in plantronics_device_type()
189 	drv_data = devm_kzalloc(&hdev->dev, sizeof(*drv_data), GFP_KERNEL);  in plantronics_probe()
191 		return -ENOMEM;  in plantronics_probe()
199 	drv_data->device_type = plantronics_device_type(hdev);  in plantronics_probe()
200 	drv_data->double_key_to = msecs_to_jiffies(PLT_DOUBLE_KEY_TIMEOUT);  in plantronics_probe()
201 	drv_data->last_key_ts = jiffies - drv_data->double_key_to;  in plantronics_probe()
203 	/* if HZ does not allow ms resolution - disable double key detection */  in plantronics_probe()
204 	if (drv_data->double_key_to < PLT_DOUBLE_KEY_TIMEOUT)  in plantronics_probe()
205 		drv_data->double_key_to = 0;  in plantronics_probe()