471 	/* initialize MP */  in wiimote_cmd_init_mp()
491 	/* map MP with correct pass-through mode */  in wiimote_cmd_map_mp()
770 	wdata->state.mp = mode;  in wiimote_mp_load()
779 	if (wdata->state.mp < 2)  in wiimote_mp_unload()
785 	wdata->state.mp = 0;  in wiimote_mp_unload()
895 	/* schedule MP timer */  in wiimote_init_detect()
904  * MP hotplug events are not generated by the wiimote. Therefore, we need
905  * polling to detect it. We use a 4s interval for polling MP registers. This
911 	bool mp;  in wiimote_init_poll_mp()  local
916 	mp = wiimote_cmd_read_mp(wdata, mpdata);  in wiimote_init_poll_mp()
919 	/* load/unload MP module if it changed */  in wiimote_init_poll_mp()
920 	if (mp) {  in wiimote_init_poll_mp()
921 		if (!wdata->state.mp) {  in wiimote_init_poll_mp()
925 	} else if (wdata->state.mp) {  in wiimote_init_poll_mp()
954 	/* If MP is used and active, but the extension is not, we expect:  in wiimote_init_check()
958 	 * initialization of MP without extensions.  in wiimote_init_check()
959 	 *  - If MP is unplugged/replugged, read_mp_mapped() fails  in wiimote_init_check()
962 	    wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) {  in wiimote_init_check()
973 			hid_dbg(wdata->hdev, "state left: !EXT && MP\n");  in wiimote_init_check()
975 		/* while MP is mapped, we get EXT_PLUGGED events */  in wiimote_init_check()
981 	/* If MP is unused, but the extension port is used, we expect:  in wiimote_init_check()
984 	 * - If MP is plugged/unplugged, our timer detects it  in wiimote_init_check()
997 			hid_dbg(wdata->hdev, "state left: EXT && !MP\n");  in wiimote_init_check()
999 		/* poll MP for hotplug events */  in wiimote_init_check()
1005 	/* If neither MP nor an extension are used, we expect:  in wiimote_init_check()
1010 	 * - If MP is plugged/unplugged, our timer detects it  in wiimote_init_check()
1024 			hid_dbg(wdata->hdev, "state left: !EXT && !MP\n");  in wiimote_init_check()
1026 		/* poll MP for hotplug events */  in wiimote_init_check()
1032 	/* The trickiest part is if both EXT and MP are active. We cannot read  in wiimote_init_check()
1033 	 * the EXT ID, anymore, because MP is mapped over it. However, we use  in wiimote_init_check()
1041 	    wdata->state.mp > 0 && (flags & WIIPROTO_FLAG_MP_USED)) {  in wiimote_init_check()
1054 			hid_dbg(wdata->hdev, "state left: EXT && MP\n");  in wiimote_init_check()
1056 		/* while MP is mapped, we get EXT_PLUGGED events */  in wiimote_init_check()
1068 	/* only poll for MP if requested and if state didn't change */  in wiimote_init_check()
1091  * the desired state. This involves mapping MP into the main extension
1099 	bool mp;  in wiimote_init_hotplug()  local
1116 	/* init extension and MP (deactivates current extension or MP) */  in wiimote_init_hotplug()
1119 		mp = false;  in wiimote_init_hotplug()
1122 		mp = wiimote_cmd_read_mp(wdata, mpdata);  in wiimote_init_hotplug()
1148 	/* load/unload MP module if it changed */  in wiimote_init_hotplug()
1149 	if (mp) {  in wiimote_init_hotplug()
1150 		if (!wdata->state.mp) {  in wiimote_init_hotplug()
1154 	} else if (wdata->state.mp) {  in wiimote_init_hotplug()
1158 	/* if MP is not used, do not map or activate it */  in wiimote_init_hotplug()
1160 		mp = false;  in wiimote_init_hotplug()
1162 	/* map MP into main extension registers if used */  in wiimote_init_hotplug()
1163 	if (mp) {  in wiimote_init_hotplug()
1168 		/* delete MP hotplug timer */  in wiimote_init_hotplug()
1171 		/* reschedule MP hotplug timer */  in wiimote_init_hotplug()
1180 	if (mp) {  in wiimote_init_hotplug()
1199 	hid_dbg(wdata->hdev, "detected extensions: MP: %d EXT: %d\n",  in wiimote_init_hotplug()
1200 		wdata->state.mp, wdata->state.exttype);  in wiimote_init_hotplug()
1317 	/* if MP is active, track MP slot hotplugging */  in handler_ext()
1325 				hid_dbg(wdata->hdev, "MP hotplug: 1\n");  in handler_ext()
1331 				hid_dbg(wdata->hdev, "MP hotplug: 0\n");  in handler_ext()
1338 		/* detect MP data that is sent interleaved with EXT data */  in handler_ext()
1358 	/* try forwarding to MP handler */  in handler_ext()
1508 	ir_to_input2(wdata, &payload[11], false);  in handler_drm_KAI()