28 			psmouse_printk(KERN_DEBUG, psmouse,		\
35 static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c,  in synaptics_send_cmd()  argument
38 	if (ps2_sliced_command(&psmouse->ps2dev, c) ||  in synaptics_send_cmd()
39 	    ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) {  in synaptics_send_cmd()
40 		psmouse_err(psmouse, "%s query 0x%02x failed.\n", __func__, c);  in synaptics_send_cmd()
50 static int elantech_send_cmd(struct psmouse *psmouse, unsigned char c,  in elantech_send_cmd()  argument
53 	struct ps2dev *ps2dev = &psmouse->ps2dev;  in elantech_send_cmd()
58 		psmouse_err(psmouse, "%s query 0x%02x failed.\n", __func__, c);  in elantech_send_cmd()
68 static int elantech_ps2_command(struct psmouse *psmouse,  in elantech_ps2_command()  argument
71 	struct ps2dev *ps2dev = &psmouse->ps2dev;  in elantech_ps2_command()
72 	struct elantech_data *etd = psmouse->private;  in elantech_ps2_command()
87 		psmouse_err(psmouse, "ps2 command 0x%02x failed.\n", command);  in elantech_ps2_command()
95 static int elantech_read_reg_params(struct psmouse *psmouse, u8 reg, u8 *param)  in elantech_read_reg_params()  argument
97 	if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_read_reg_params()
98 	    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||  in elantech_read_reg_params()
99 	    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_read_reg_params()
100 	    elantech_ps2_command(psmouse, NULL, reg) ||  in elantech_read_reg_params()
101 	    elantech_ps2_command(psmouse, param, PSMOUSE_CMD_GETINFO)) {  in elantech_read_reg_params()
102 		psmouse_err(psmouse,  in elantech_read_reg_params()
113 static int elantech_write_reg_params(struct psmouse *psmouse, u8 reg, u8 *param)  in elantech_write_reg_params()  argument
115 	if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg_params()
116 	    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||  in elantech_write_reg_params()
117 	    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg_params()
118 	    elantech_ps2_command(psmouse, NULL, reg) ||  in elantech_write_reg_params()
119 	    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg_params()
120 	    elantech_ps2_command(psmouse, NULL, param[0]) ||  in elantech_write_reg_params()
121 	    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg_params()
122 	    elantech_ps2_command(psmouse, NULL, param[1]) ||  in elantech_write_reg_params()
123 	    elantech_ps2_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11)) {  in elantech_write_reg_params()
124 		psmouse_err(psmouse,  in elantech_write_reg_params()
136 static int elantech_read_reg(struct psmouse *psmouse, unsigned char reg,  in elantech_read_reg()  argument
139 	struct elantech_data *etd = psmouse->private;  in elantech_read_reg()
151 		if (ps2_sliced_command(&psmouse->ps2dev, ETP_REGISTER_READ) ||  in elantech_read_reg()
152 		    ps2_sliced_command(&psmouse->ps2dev, reg) ||  in elantech_read_reg()
153 		    ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) {  in elantech_read_reg()
159 		if (elantech_ps2_command(psmouse,  NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_read_reg()
160 		    elantech_ps2_command(psmouse,  NULL, ETP_REGISTER_READ) ||  in elantech_read_reg()
161 		    elantech_ps2_command(psmouse,  NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_read_reg()
162 		    elantech_ps2_command(psmouse,  NULL, reg) ||  in elantech_read_reg()
163 		    elantech_ps2_command(psmouse, param, PSMOUSE_CMD_GETINFO)) {  in elantech_read_reg()
169 		if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_read_reg()
170 		    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||  in elantech_read_reg()
171 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_read_reg()
172 		    elantech_ps2_command(psmouse, NULL, reg) ||  in elantech_read_reg()
173 		    elantech_ps2_command(psmouse, param, PSMOUSE_CMD_GETINFO)) {  in elantech_read_reg()
180 		psmouse_err(psmouse, "failed to read register 0x%02x.\n", reg);  in elantech_read_reg()
192 static int elantech_write_reg(struct psmouse *psmouse, unsigned char reg,  in elantech_write_reg()  argument
195 	struct elantech_data *etd = psmouse->private;  in elantech_write_reg()
206 		if (ps2_sliced_command(&psmouse->ps2dev, ETP_REGISTER_WRITE) ||  in elantech_write_reg()
207 		    ps2_sliced_command(&psmouse->ps2dev, reg) ||  in elantech_write_reg()
208 		    ps2_sliced_command(&psmouse->ps2dev, val) ||  in elantech_write_reg()
209 		    ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSCALE11)) {  in elantech_write_reg()
215 		if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
216 		    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_WRITE) ||  in elantech_write_reg()
217 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
218 		    elantech_ps2_command(psmouse, NULL, reg) ||  in elantech_write_reg()
219 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
220 		    elantech_ps2_command(psmouse, NULL, val) ||  in elantech_write_reg()
221 		    elantech_ps2_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11)) {  in elantech_write_reg()
227 		if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
228 		    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||  in elantech_write_reg()
229 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
230 		    elantech_ps2_command(psmouse, NULL, reg) ||  in elantech_write_reg()
231 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
232 		    elantech_ps2_command(psmouse, NULL, val) ||  in elantech_write_reg()
233 		    elantech_ps2_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11)) {  in elantech_write_reg()
239 		if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
240 		    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||  in elantech_write_reg()
241 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
242 		    elantech_ps2_command(psmouse, NULL, reg) ||  in elantech_write_reg()
243 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
244 		    elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||  in elantech_write_reg()
245 		    elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||  in elantech_write_reg()
246 		    elantech_ps2_command(psmouse, NULL, val) ||  in elantech_write_reg()
247 		    elantech_ps2_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11)) {  in elantech_write_reg()
254 		psmouse_err(psmouse,  in elantech_write_reg()
264 static void elantech_packet_dump(struct psmouse *psmouse)  in elantech_packet_dump()  argument
266 	psmouse_printk(KERN_DEBUG, psmouse, "PS/2 packet [%*ph]\n",  in elantech_packet_dump()
267 		       psmouse->pktsize, psmouse->packet);  in elantech_packet_dump()
320 static void elantech_report_absolute_v1(struct psmouse *psmouse)  in elantech_report_absolute_v1()  argument
322 	struct input_dev *dev = psmouse->dev;  in elantech_report_absolute_v1()
323 	struct elantech_data *etd = psmouse->private;  in elantech_report_absolute_v1()
324 	unsigned char *packet = psmouse->packet;  in elantech_report_absolute_v1()
408 static void elantech_report_absolute_v2(struct psmouse *psmouse)  in elantech_report_absolute_v2()  argument
410 	struct elantech_data *etd = psmouse->private;  in elantech_report_absolute_v2()
411 	struct input_dev *dev = psmouse->dev;  in elantech_report_absolute_v2()
412 	unsigned char *packet = psmouse->packet;  in elantech_report_absolute_v2()
489 static void elantech_report_trackpoint(struct psmouse *psmouse,  in elantech_report_trackpoint()  argument
507 	struct elantech_data *etd = psmouse->private;  in elantech_report_trackpoint()
509 	unsigned char *packet = psmouse->packet;  in elantech_report_trackpoint()
548 			elantech_packet_dump(psmouse);  in elantech_report_trackpoint()
558 static void elantech_report_absolute_v3(struct psmouse *psmouse,  in elantech_report_absolute_v3()  argument
561 	struct input_dev *dev = psmouse->dev;  in elantech_report_absolute_v3()
562 	struct elantech_data *etd = psmouse->private;  in elantech_report_absolute_v3()
563 	unsigned char *packet = psmouse->packet;  in elantech_report_absolute_v3()
637 static void elantech_input_sync_v4(struct psmouse *psmouse)  in elantech_input_sync_v4()  argument
639 	struct input_dev *dev = psmouse->dev;  in elantech_input_sync_v4()
640 	struct elantech_data *etd = psmouse->private;  in elantech_input_sync_v4()
641 	unsigned char *packet = psmouse->packet;  in elantech_input_sync_v4()
653 static void process_packet_status_v4(struct psmouse *psmouse)  in process_packet_status_v4()  argument
655 	struct input_dev *dev = psmouse->dev;  in process_packet_status_v4()
656 	unsigned char *packet = psmouse->packet;  in process_packet_status_v4()
669 	elantech_input_sync_v4(psmouse);  in process_packet_status_v4()
672 static void process_packet_head_v4(struct psmouse *psmouse)  in process_packet_head_v4()  argument
674 	struct input_dev *dev = psmouse->dev;  in process_packet_head_v4()
675 	struct elantech_data *etd = psmouse->private;  in process_packet_head_v4()
676 	unsigned char *packet = psmouse->packet;  in process_packet_head_v4()
699 	elantech_input_sync_v4(psmouse);  in process_packet_head_v4()
702 static void process_packet_motion_v4(struct psmouse *psmouse)  in process_packet_motion_v4()  argument
704 	struct input_dev *dev = psmouse->dev;  in process_packet_motion_v4()
705 	struct elantech_data *etd = psmouse->private;  in process_packet_motion_v4()
706 	unsigned char *packet = psmouse->packet;  in process_packet_motion_v4()
740 	elantech_input_sync_v4(psmouse);  in process_packet_motion_v4()
743 static void elantech_report_absolute_v4(struct psmouse *psmouse,  in elantech_report_absolute_v4()  argument
748 		process_packet_status_v4(psmouse);  in elantech_report_absolute_v4()
752 		process_packet_head_v4(psmouse);  in elantech_report_absolute_v4()
756 		process_packet_motion_v4(psmouse);  in elantech_report_absolute_v4()
766 static int elantech_packet_check_v1(struct psmouse *psmouse)  in elantech_packet_check_v1()  argument
768 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v1()
769 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v1()
790 static int elantech_debounce_check_v2(struct psmouse *psmouse)  in elantech_debounce_check_v2()  argument
799         unsigned char *packet = psmouse->packet;  in elantech_debounce_check_v2()
804 static int elantech_packet_check_v2(struct psmouse *psmouse)  in elantech_packet_check_v2()  argument
806 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v2()
807 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v2()
836 static int elantech_packet_check_v3(struct psmouse *psmouse)  in elantech_packet_check_v3()  argument
838 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v3()
842 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v3()
874 static int elantech_packet_check_v4(struct psmouse *psmouse)  in elantech_packet_check_v4()  argument
876 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v4()
877 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v4()
923 static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)  in elantech_process_byte()  argument
925 	struct elantech_data *etd = psmouse->private;  in elantech_process_byte()
928 	if (psmouse->pktcnt < psmouse->pktsize)  in elantech_process_byte()
932 		elantech_packet_dump(psmouse);  in elantech_process_byte()
936 		if (etd->info.paritycheck && !elantech_packet_check_v1(psmouse))  in elantech_process_byte()
939 		elantech_report_absolute_v1(psmouse);  in elantech_process_byte()
944 		if (elantech_debounce_check_v2(psmouse))  in elantech_process_byte()
947 		if (etd->info.paritycheck && !elantech_packet_check_v2(psmouse))  in elantech_process_byte()
950 		elantech_report_absolute_v2(psmouse);  in elantech_process_byte()
954 		packet_type = elantech_packet_check_v3(psmouse);  in elantech_process_byte()
964 			elantech_report_trackpoint(psmouse, packet_type);  in elantech_process_byte()
968 			elantech_report_absolute_v3(psmouse, packet_type);  in elantech_process_byte()
975 		packet_type = elantech_packet_check_v4(psmouse);  in elantech_process_byte()
981 			elantech_report_trackpoint(psmouse, packet_type);  in elantech_process_byte()
985 			elantech_report_absolute_v4(psmouse, packet_type);  in elantech_process_byte()
1000 static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse,  in elantech_set_rate_restore_reg_07()  argument
1003 	struct elantech_data *etd = psmouse->private;  in elantech_set_rate_restore_reg_07()
1005 	etd->original_set_rate(psmouse, rate);  in elantech_set_rate_restore_reg_07()
1006 	if (elantech_write_reg(psmouse, 0x07, etd->reg_07))  in elantech_set_rate_restore_reg_07()
1007 		psmouse_err(psmouse, "restoring reg_07 failed\n");  in elantech_set_rate_restore_reg_07()
1013 static int elantech_set_absolute_mode(struct psmouse *psmouse)  in elantech_set_absolute_mode()  argument
1015 	struct elantech_data *etd = psmouse->private;  in elantech_set_absolute_mode()
1024 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10) ||  in elantech_set_absolute_mode()
1025 		    elantech_write_reg(psmouse, 0x11, etd->reg_11)) {  in elantech_set_absolute_mode()
1035 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10) ||  in elantech_set_absolute_mode()
1036 		    elantech_write_reg(psmouse, 0x11, etd->reg_11) ||  in elantech_set_absolute_mode()
1037 		    elantech_write_reg(psmouse, 0x21, etd->reg_21)) {  in elantech_set_absolute_mode()
1048 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10))  in elantech_set_absolute_mode()
1055 		if (elantech_write_reg(psmouse, 0x07, etd->reg_07))  in elantech_set_absolute_mode()
1069 			rc = elantech_read_reg(psmouse, 0x10, &val);  in elantech_set_absolute_mode()
1078 			psmouse_err(psmouse,  in elantech_set_absolute_mode()
1082 			psmouse_err(psmouse,  in elantech_set_absolute_mode()
1090 		psmouse_err(psmouse, "failed to initialise registers.\n");  in elantech_set_absolute_mode()
1104 static int elantech_get_resolution_v4(struct psmouse *psmouse,  in elantech_get_resolution_v4()  argument
1111 	if (elantech_send_cmd(psmouse, ETP_RESOLUTION_QUERY, param))  in elantech_get_resolution_v4()
1121 static void elantech_set_buttonpad_prop(struct psmouse *psmouse)  in elantech_set_buttonpad_prop()  argument
1123 	struct input_dev *dev = psmouse->dev;  in elantech_set_buttonpad_prop()
1124 	struct elantech_data *etd = psmouse->private;  in elantech_set_buttonpad_prop()
1165 static int elantech_set_input_params(struct psmouse *psmouse)  in elantech_set_input_params()  argument
1167 	struct input_dev *dev = psmouse->dev;  in elantech_set_input_params()
1168 	struct elantech_data *etd = psmouse->private;  in elantech_set_input_params()
1207 			elantech_set_buttonpad_prop(psmouse);  in elantech_set_input_params()
1222 		elantech_set_buttonpad_prop(psmouse);  in elantech_set_input_params()
1271 static ssize_t elantech_show_int_attr(struct psmouse *psmouse, void *data,  in elantech_show_int_attr()  argument
1274 	struct elantech_data *etd = psmouse->private;  in elantech_show_int_attr()
1280 		rc = elantech_read_reg(psmouse, attr->reg, reg);  in elantech_show_int_attr()
1288 static ssize_t elantech_set_int_attr(struct psmouse *psmouse,  in elantech_set_int_attr()  argument
1291 	struct elantech_data *etd = psmouse->private;  in elantech_set_int_attr()
1311 	if (!attr->reg || elantech_write_reg(psmouse, attr->reg, value) == 0)  in elantech_set_int_attr()
1402 int elantech_detect(struct psmouse *psmouse, bool set_properties)  in elantech_detect()  argument
1404 	struct ps2dev *ps2dev = &psmouse->ps2dev;  in elantech_detect()
1414 		psmouse_dbg(psmouse, "sending Elantech magic knock failed.\n");  in elantech_detect()
1424 		psmouse_dbg(psmouse,  in elantech_detect()
1435 	if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {  in elantech_detect()
1436 		psmouse_dbg(psmouse, "failed to query firmware version.\n");  in elantech_detect()
1440 	psmouse_dbg(psmouse,  in elantech_detect()
1445 		psmouse_dbg(psmouse,  in elantech_detect()
1451 		psmouse->vendor = "Elantech";  in elantech_detect()
1452 		psmouse->name = "Touchpad";  in elantech_detect()
1461 static void elantech_disconnect(struct psmouse *psmouse)  in elantech_disconnect()  argument
1463 	struct elantech_data *etd = psmouse->private;  in elantech_disconnect()
1469 	psmouse_smbus_cleanup(psmouse);  in elantech_disconnect()
1473 	sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_disconnect()
1475 	kfree(psmouse->private);  in elantech_disconnect()
1476 	psmouse->private = NULL;  in elantech_disconnect()
1482 static int elantech_reconnect(struct psmouse *psmouse)  in elantech_reconnect()  argument
1484 	psmouse_reset(psmouse);  in elantech_reconnect()
1486 	if (elantech_detect(psmouse, 0))  in elantech_reconnect()
1489 	if (elantech_set_absolute_mode(psmouse)) {  in elantech_reconnect()
1490 		psmouse_err(psmouse,  in elantech_reconnect()
1590 static int elantech_change_report_id(struct psmouse *psmouse)  in elantech_change_report_id()  argument
1600 	if (elantech_write_reg_params(psmouse, 0x7, param) ||  in elantech_change_report_id()
1601 	    elantech_read_reg_params(psmouse, 0x7, param) ||  in elantech_change_report_id()
1603 		psmouse_err(psmouse, "Unable to change report ID to 0x5f.\n");  in elantech_change_report_id()
1678 static int elantech_query_info(struct psmouse *psmouse,  in elantech_query_info()  argument
1690 	if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {  in elantech_query_info()
1691 		psmouse_err(psmouse, "failed to query firmware version.\n");  in elantech_query_info()
1697 		psmouse_err(psmouse, "unknown hardware version, aborting...\n");  in elantech_query_info()
1700 	psmouse_info(psmouse,  in elantech_query_info()
1704 	if (info->send_cmd(psmouse, ETP_CAPABILITIES_QUERY,  in elantech_query_info()
1706 		psmouse_err(psmouse, "failed to query capabilities.\n");  in elantech_query_info()
1709 	psmouse_info(psmouse,  in elantech_query_info()
1715 		if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, info->samples)) {  in elantech_query_info()
1716 			psmouse_err(psmouse, "failed to query sample data\n");  in elantech_query_info()
1719 		psmouse_info(psmouse,  in elantech_query_info()
1727 		if (info->send_cmd(psmouse, ETP_ICBODY_QUERY, ic_body)) {  in elantech_query_info()
1728 			psmouse_err(psmouse, "failed to query ic body\n");  in elantech_query_info()
1732 		psmouse_info(psmouse,  in elantech_query_info()
1747 		psmouse_info(psmouse,  in elantech_query_info()
1765 		if (elantech_change_report_id(psmouse)) {  in elantech_query_info()
1766 			psmouse_info(psmouse,  in elantech_query_info()
1775 		if (elantech_get_resolution_v4(psmouse,  in elantech_query_info()
1779 			psmouse_warn(psmouse,  in elantech_query_info()
1808 			if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1814 				if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, param))  in elantech_query_info()
1833 		if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1841 		if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1897 static int elantech_create_smbus(struct psmouse *psmouse,  in elantech_create_smbus()  argument
1943 	return psmouse_smbus_init(psmouse, &smbus_board, NULL, 0, false,  in elantech_create_smbus()
1951 static int elantech_setup_smbus(struct psmouse *psmouse,  in elantech_setup_smbus()  argument
1967 		    psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids))  in elantech_setup_smbus()
1971 	psmouse_info(psmouse, "Trying to set up SMBus access\n");  in elantech_setup_smbus()
1973 	error = elantech_create_smbus(psmouse, info, leave_breadcrumbs);  in elantech_setup_smbus()
1976 			psmouse_info(psmouse, "SMbus companion is not ready yet\n");  in elantech_setup_smbus()
1978 			psmouse_err(psmouse, "unable to create intertouch device\n");  in elantech_setup_smbus()
1986 static bool elantech_use_host_notify(struct psmouse *psmouse,  in elantech_use_host_notify()  argument
1998 		psmouse_dbg(psmouse, "Ignoring SMBus provider through alert protocol.\n");  in elantech_use_host_notify()
2004 		psmouse_dbg(psmouse,  in elantech_use_host_notify()
2012 int elantech_init_smbus(struct psmouse *psmouse)  in elantech_init_smbus()  argument
2017 	psmouse_reset(psmouse);  in elantech_init_smbus()
2019 	error = elantech_query_info(psmouse, &info);  in elantech_init_smbus()
2028 	return elantech_create_smbus(psmouse, &info, false);  in elantech_init_smbus()
2030 	psmouse_reset(psmouse);  in elantech_init_smbus()
2038 static int elantech_setup_ps2(struct psmouse *psmouse,  in elantech_setup_ps2()  argument
2046 	psmouse->private = etd = kzalloc(sizeof(*etd), GFP_KERNEL);  in elantech_setup_ps2()
2056 	if (elantech_set_absolute_mode(psmouse)) {  in elantech_setup_ps2()
2057 		psmouse_err(psmouse,  in elantech_setup_ps2()
2063 		etd->original_set_rate = psmouse->set_rate;  in elantech_setup_ps2()
2064 		psmouse->set_rate = elantech_set_rate_restore_reg_07;  in elantech_setup_ps2()
2067 	if (elantech_set_input_params(psmouse)) {  in elantech_setup_ps2()
2068 		psmouse_err(psmouse, "failed to query touchpad range.\n");  in elantech_setup_ps2()
2072 	error = sysfs_create_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_setup_ps2()
2075 		psmouse_err(psmouse,  in elantech_setup_ps2()
2091 			psmouse->ps2dev.serio->phys);  in elantech_setup_ps2()
2098 		tp_dev->dev.parent = &psmouse->ps2dev.serio->dev;  in elantech_setup_ps2()
2114 	psmouse->protocol_handler = elantech_process_byte;  in elantech_setup_ps2()
2115 	psmouse->disconnect = elantech_disconnect;  in elantech_setup_ps2()
2116 	psmouse->reconnect = elantech_reconnect;  in elantech_setup_ps2()
2117 	psmouse->fast_reconnect = NULL;  in elantech_setup_ps2()
2118 	psmouse->pktsize = info->hw_version > 1 ? 6 : 4;  in elantech_setup_ps2()
2124 	sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_setup_ps2()
2131 int elantech_init_ps2(struct psmouse *psmouse)  in elantech_init_ps2()  argument
2136 	psmouse_reset(psmouse);  in elantech_init_ps2()
2138 	error = elantech_query_info(psmouse, &info);  in elantech_init_ps2()
2142 	error = elantech_setup_ps2(psmouse, &info);  in elantech_init_ps2()
2148 	psmouse_reset(psmouse);  in elantech_init_ps2()
2152 int elantech_init(struct psmouse *psmouse)  in elantech_init()  argument
2157 	psmouse_reset(psmouse);  in elantech_init()
2159 	error = elantech_query_info(psmouse, &info);  in elantech_init()
2165 	if (elantech_use_host_notify(psmouse, &info)) {  in elantech_init()
2168 			psmouse_warn(psmouse,  in elantech_init()
2172 		error = elantech_setup_smbus(psmouse, &info, true);  in elantech_init()
2179 	error = elantech_setup_ps2(psmouse, &info);  in elantech_init()
2185 		psmouse_smbus_cleanup(psmouse);  in elantech_init()
2191 	psmouse_reset(psmouse);  in elantech_init()