474 	/* initialize MP */  in wiimote_cmd_init_mp()
494 	/* map MP with correct pass-through mode */  in wiimote_cmd_map_mp()
774 	wdata->state.mp = mode;  in wiimote_mp_load()
783 	if (wdata->state.mp < 2)  in wiimote_mp_unload()
789 	wdata->state.mp = 0;  in wiimote_mp_unload()
899 	/* schedule MP timer */  in wiimote_init_detect()
908  * MP hotplug events are not generated by the wiimote. Therefore, we need
909  * polling to detect it. We use a 4s interval for polling MP registers. This
915 	bool mp;  in wiimote_init_poll_mp()  local
920 	mp = wiimote_cmd_read_mp(wdata, mpdata);  in wiimote_init_poll_mp()
923 	/* load/unload MP module if it changed */  in wiimote_init_poll_mp()
924 	if (mp) {  in wiimote_init_poll_mp()
925 		if (!wdata->state.mp) {  in wiimote_init_poll_mp()
929 	} else if (wdata->state.mp) {  in wiimote_init_poll_mp()
958 	/* If MP is used and active, but the extension is not, we expect:  in wiimote_init_check()
962 	 * initialization of MP without extensions.  in wiimote_init_check()
963 	 *  - If MP is unplugged/replugged, read_mp_mapped() fails  in wiimote_init_check()
966 	    wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) {  in wiimote_init_check()
977 			hid_dbg(wdata->hdev, "state left: !EXT && MP\n");  in wiimote_init_check()
979 		/* while MP is mapped, we get EXT_PLUGGED events */  in wiimote_init_check()
985 	/* If MP is unused, but the extension port is used, we expect:  in wiimote_init_check()
988 	 * - If MP is plugged/unplugged, our timer detects it  in wiimote_init_check()
1001 			hid_dbg(wdata->hdev, "state left: EXT && !MP\n");  in wiimote_init_check()
1003 		/* poll MP for hotplug events */  in wiimote_init_check()
1009 	/* If neither MP nor an extension are used, we expect:  in wiimote_init_check()
1014 	 * - If MP is plugged/unplugged, our timer detects it  in wiimote_init_check()
1028 			hid_dbg(wdata->hdev, "state left: !EXT && !MP\n");  in wiimote_init_check()
1030 		/* poll MP for hotplug events */  in wiimote_init_check()
1036 	/* The trickiest part is if both EXT and MP are active. We cannot read  in wiimote_init_check()
1037 	 * the EXT ID, anymore, because MP is mapped over it. However, we use  in wiimote_init_check()
1045 	    wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) {  in wiimote_init_check()
1058 			hid_dbg(wdata->hdev, "state left: EXT && MP\n");  in wiimote_init_check()
1060 		/* while MP is mapped, we get EXT_PLUGGED events */  in wiimote_init_check()
1072 	/* only poll for MP if requested and if state didn't change */  in wiimote_init_check()
1096  * the desired state. This involves mapping MP into the main extension
1104 	bool mp;  in wiimote_init_hotplug()  local
1121 	/* init extension and MP (deactivates current extension or MP) */  in wiimote_init_hotplug()
1124 		mp = false;  in wiimote_init_hotplug()
1127 		mp = wiimote_cmd_read_mp(wdata, mpdata);  in wiimote_init_hotplug()
1153 	/* load/unload MP module if it changed */  in wiimote_init_hotplug()
1154 	if (mp) {  in wiimote_init_hotplug()
1155 		if (!wdata->state.mp) {  in wiimote_init_hotplug()
1159 	} else if (wdata->state.mp) {  in wiimote_init_hotplug()
1163 	/* if MP is not used, do not map or activate it */  in wiimote_init_hotplug()
1165 		mp = false;  in wiimote_init_hotplug()
1167 	/* map MP into main extension registers if used */  in wiimote_init_hotplug()
1168 	if (mp) {  in wiimote_init_hotplug()
1173 		/* delete MP hotplug timer */  in wiimote_init_hotplug()
1176 		/* reschedule MP hotplug timer */  in wiimote_init_hotplug()
1185 	if (mp) {  in wiimote_init_hotplug()
1204 	hid_dbg(wdata->hdev, "detected extensions: MP: %d EXT: %d\n",  in wiimote_init_hotplug()
1205 		wdata->state.mp, wdata->state.exttype);  in wiimote_init_hotplug()
1322 	/* if MP is active, track MP slot hotplugging */  in handler_ext()
1330 				hid_dbg(wdata->hdev, "MP hotplug: 1\n");  in handler_ext()
1336 				hid_dbg(wdata->hdev, "MP hotplug: 0\n");  in handler_ext()
1343 		/* detect MP data that is sent interleaved with EXT data */  in handler_ext()
1363 	/* try forwarding to MP handler */  in handler_ext()
1513 	ir_to_input2(wdata, &payload[11], false);  in handler_drm_KAI()