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()
698 	elantech_input_sync_v4(psmouse);  in process_packet_head_v4()
701 static void process_packet_motion_v4(struct psmouse *psmouse)  in process_packet_motion_v4()  argument
703 	struct input_dev *dev = psmouse->dev;  in process_packet_motion_v4()
704 	struct elantech_data *etd = psmouse->private;  in process_packet_motion_v4()
705 	unsigned char *packet = psmouse->packet;  in process_packet_motion_v4()
739 	elantech_input_sync_v4(psmouse);  in process_packet_motion_v4()
742 static void elantech_report_absolute_v4(struct psmouse *psmouse,  in elantech_report_absolute_v4()  argument
747 		process_packet_status_v4(psmouse);  in elantech_report_absolute_v4()
751 		process_packet_head_v4(psmouse);  in elantech_report_absolute_v4()
755 		process_packet_motion_v4(psmouse);  in elantech_report_absolute_v4()
765 static int elantech_packet_check_v1(struct psmouse *psmouse)  in elantech_packet_check_v1()  argument
767 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v1()
768 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v1()
789 static int elantech_debounce_check_v2(struct psmouse *psmouse)  in elantech_debounce_check_v2()  argument
798         unsigned char *packet = psmouse->packet;  in elantech_debounce_check_v2()
803 static int elantech_packet_check_v2(struct psmouse *psmouse)  in elantech_packet_check_v2()  argument
805 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v2()
806 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v2()
835 static int elantech_packet_check_v3(struct psmouse *psmouse)  in elantech_packet_check_v3()  argument
837 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v3()
841 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v3()
873 static int elantech_packet_check_v4(struct psmouse *psmouse)  in elantech_packet_check_v4()  argument
875 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v4()
876 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v4()
922 static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)  in elantech_process_byte()  argument
924 	struct elantech_data *etd = psmouse->private;  in elantech_process_byte()
927 	if (psmouse->pktcnt < psmouse->pktsize)  in elantech_process_byte()
931 		elantech_packet_dump(psmouse);  in elantech_process_byte()
935 		if (etd->info.paritycheck && !elantech_packet_check_v1(psmouse))  in elantech_process_byte()
938 		elantech_report_absolute_v1(psmouse);  in elantech_process_byte()
943 		if (elantech_debounce_check_v2(psmouse))  in elantech_process_byte()
946 		if (etd->info.paritycheck && !elantech_packet_check_v2(psmouse))  in elantech_process_byte()
949 		elantech_report_absolute_v2(psmouse);  in elantech_process_byte()
953 		packet_type = elantech_packet_check_v3(psmouse);  in elantech_process_byte()
963 			elantech_report_trackpoint(psmouse, packet_type);  in elantech_process_byte()
967 			elantech_report_absolute_v3(psmouse, packet_type);  in elantech_process_byte()
974 		packet_type = elantech_packet_check_v4(psmouse);  in elantech_process_byte()
980 			elantech_report_trackpoint(psmouse, packet_type);  in elantech_process_byte()
984 			elantech_report_absolute_v4(psmouse, packet_type);  in elantech_process_byte()
999 static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse,  in elantech_set_rate_restore_reg_07()  argument
1002 	struct elantech_data *etd = psmouse->private;  in elantech_set_rate_restore_reg_07()
1004 	etd->original_set_rate(psmouse, rate);  in elantech_set_rate_restore_reg_07()
1005 	if (elantech_write_reg(psmouse, 0x07, etd->reg_07))  in elantech_set_rate_restore_reg_07()
1006 		psmouse_err(psmouse, "restoring reg_07 failed\n");  in elantech_set_rate_restore_reg_07()
1012 static int elantech_set_absolute_mode(struct psmouse *psmouse)  in elantech_set_absolute_mode()  argument
1014 	struct elantech_data *etd = psmouse->private;  in elantech_set_absolute_mode()
1023 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10) ||  in elantech_set_absolute_mode()
1024 		    elantech_write_reg(psmouse, 0x11, etd->reg_11)) {  in elantech_set_absolute_mode()
1034 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10) ||  in elantech_set_absolute_mode()
1035 		    elantech_write_reg(psmouse, 0x11, etd->reg_11) ||  in elantech_set_absolute_mode()
1036 		    elantech_write_reg(psmouse, 0x21, etd->reg_21)) {  in elantech_set_absolute_mode()
1047 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10))  in elantech_set_absolute_mode()
1054 		if (elantech_write_reg(psmouse, 0x07, etd->reg_07))  in elantech_set_absolute_mode()
1068 			rc = elantech_read_reg(psmouse, 0x10, &val);  in elantech_set_absolute_mode()
1077 			psmouse_err(psmouse,  in elantech_set_absolute_mode()
1081 			psmouse_err(psmouse,  in elantech_set_absolute_mode()
1089 		psmouse_err(psmouse, "failed to initialise registers.\n");  in elantech_set_absolute_mode()
1103 static int elantech_get_resolution_v4(struct psmouse *psmouse,  in elantech_get_resolution_v4()  argument
1110 	if (elantech_send_cmd(psmouse, ETP_RESOLUTION_QUERY, param))  in elantech_get_resolution_v4()
1120 static void elantech_set_buttonpad_prop(struct psmouse *psmouse)  in elantech_set_buttonpad_prop()  argument
1122 	struct input_dev *dev = psmouse->dev;  in elantech_set_buttonpad_prop()
1123 	struct elantech_data *etd = psmouse->private;  in elantech_set_buttonpad_prop()
1164 static int elantech_set_input_params(struct psmouse *psmouse)  in elantech_set_input_params()  argument
1166 	struct input_dev *dev = psmouse->dev;  in elantech_set_input_params()
1167 	struct elantech_data *etd = psmouse->private;  in elantech_set_input_params()
1206 			elantech_set_buttonpad_prop(psmouse);  in elantech_set_input_params()
1221 		elantech_set_buttonpad_prop(psmouse);  in elantech_set_input_params()
1270 static ssize_t elantech_show_int_attr(struct psmouse *psmouse, void *data,  in elantech_show_int_attr()  argument
1273 	struct elantech_data *etd = psmouse->private;  in elantech_show_int_attr()
1279 		rc = elantech_read_reg(psmouse, attr->reg, reg);  in elantech_show_int_attr()
1287 static ssize_t elantech_set_int_attr(struct psmouse *psmouse,  in elantech_set_int_attr()  argument
1290 	struct elantech_data *etd = psmouse->private;  in elantech_set_int_attr()
1310 	if (!attr->reg || elantech_write_reg(psmouse, attr->reg, value) == 0)  in elantech_set_int_attr()
1401 int elantech_detect(struct psmouse *psmouse, bool set_properties)  in elantech_detect()  argument
1403 	struct ps2dev *ps2dev = &psmouse->ps2dev;  in elantech_detect()
1413 		psmouse_dbg(psmouse, "sending Elantech magic knock failed.\n");  in elantech_detect()
1423 		psmouse_dbg(psmouse,  in elantech_detect()
1434 	if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {  in elantech_detect()
1435 		psmouse_dbg(psmouse, "failed to query firmware version.\n");  in elantech_detect()
1439 	psmouse_dbg(psmouse,  in elantech_detect()
1444 		psmouse_dbg(psmouse,  in elantech_detect()
1450 		psmouse->vendor = "Elantech";  in elantech_detect()
1451 		psmouse->name = "Touchpad";  in elantech_detect()
1460 static void elantech_disconnect(struct psmouse *psmouse)  in elantech_disconnect()  argument
1462 	struct elantech_data *etd = psmouse->private;  in elantech_disconnect()
1468 	psmouse_smbus_cleanup(psmouse);  in elantech_disconnect()
1472 	sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_disconnect()
1474 	kfree(psmouse->private);  in elantech_disconnect()
1475 	psmouse->private = NULL;  in elantech_disconnect()
1481 static int elantech_reconnect(struct psmouse *psmouse)  in elantech_reconnect()  argument
1483 	psmouse_reset(psmouse);  in elantech_reconnect()
1485 	if (elantech_detect(psmouse, 0))  in elantech_reconnect()
1488 	if (elantech_set_absolute_mode(psmouse)) {  in elantech_reconnect()
1489 		psmouse_err(psmouse,  in elantech_reconnect()
1589 static int elantech_change_report_id(struct psmouse *psmouse)  in elantech_change_report_id()  argument
1599 	if (elantech_write_reg_params(psmouse, 0x7, param) ||  in elantech_change_report_id()
1600 	    elantech_read_reg_params(psmouse, 0x7, param) ||  in elantech_change_report_id()
1602 		psmouse_err(psmouse, "Unable to change report ID to 0x5f.\n");  in elantech_change_report_id()
1677 static int elantech_query_info(struct psmouse *psmouse,  in elantech_query_info()  argument
1689 	if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {  in elantech_query_info()
1690 		psmouse_err(psmouse, "failed to query firmware version.\n");  in elantech_query_info()
1696 		psmouse_err(psmouse, "unknown hardware version, aborting...\n");  in elantech_query_info()
1699 	psmouse_info(psmouse,  in elantech_query_info()
1703 	if (info->send_cmd(psmouse, ETP_CAPABILITIES_QUERY,  in elantech_query_info()
1705 		psmouse_err(psmouse, "failed to query capabilities.\n");  in elantech_query_info()
1708 	psmouse_info(psmouse,  in elantech_query_info()
1714 		if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, info->samples)) {  in elantech_query_info()
1715 			psmouse_err(psmouse, "failed to query sample data\n");  in elantech_query_info()
1718 		psmouse_info(psmouse,  in elantech_query_info()
1726 		if (info->send_cmd(psmouse, ETP_ICBODY_QUERY, ic_body)) {  in elantech_query_info()
1727 			psmouse_err(psmouse, "failed to query ic body\n");  in elantech_query_info()
1731 		psmouse_info(psmouse,  in elantech_query_info()
1746 		psmouse_info(psmouse,  in elantech_query_info()
1764 		if (elantech_change_report_id(psmouse)) {  in elantech_query_info()
1765 			psmouse_info(psmouse,  in elantech_query_info()
1774 		if (elantech_get_resolution_v4(psmouse,  in elantech_query_info()
1778 			psmouse_warn(psmouse,  in elantech_query_info()
1807 			if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1813 				if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, param))  in elantech_query_info()
1832 		if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1840 		if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1896 static int elantech_create_smbus(struct psmouse *psmouse,  in elantech_create_smbus()  argument
1940 	return psmouse_smbus_init(psmouse, &smbus_board, NULL, 0, false,  in elantech_create_smbus()
1948 static int elantech_setup_smbus(struct psmouse *psmouse,  in elantech_setup_smbus()  argument
1964 		    psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids))  in elantech_setup_smbus()
1968 	psmouse_info(psmouse, "Trying to set up SMBus access\n");  in elantech_setup_smbus()
1970 	error = elantech_create_smbus(psmouse, info, leave_breadcrumbs);  in elantech_setup_smbus()
1973 			psmouse_info(psmouse, "SMbus companion is not ready yet\n");  in elantech_setup_smbus()
1975 			psmouse_err(psmouse, "unable to create intertouch device\n");  in elantech_setup_smbus()
1983 static bool elantech_use_host_notify(struct psmouse *psmouse,  in elantech_use_host_notify()  argument
1995 		psmouse_dbg(psmouse, "Ignoring SMBus provider through alert protocol.\n");  in elantech_use_host_notify()
2001 		psmouse_dbg(psmouse,  in elantech_use_host_notify()
2009 int elantech_init_smbus(struct psmouse *psmouse)  in elantech_init_smbus()  argument
2014 	psmouse_reset(psmouse);  in elantech_init_smbus()
2016 	error = elantech_query_info(psmouse, &info);  in elantech_init_smbus()
2025 	return elantech_create_smbus(psmouse, &info, false);  in elantech_init_smbus()
2027 	psmouse_reset(psmouse);  in elantech_init_smbus()
2035 static int elantech_setup_ps2(struct psmouse *psmouse,  in elantech_setup_ps2()  argument
2043 	psmouse->private = etd = kzalloc(sizeof(*etd), GFP_KERNEL);  in elantech_setup_ps2()
2053 	if (elantech_set_absolute_mode(psmouse)) {  in elantech_setup_ps2()
2054 		psmouse_err(psmouse,  in elantech_setup_ps2()
2060 		etd->original_set_rate = psmouse->set_rate;  in elantech_setup_ps2()
2061 		psmouse->set_rate = elantech_set_rate_restore_reg_07;  in elantech_setup_ps2()
2064 	if (elantech_set_input_params(psmouse)) {  in elantech_setup_ps2()
2065 		psmouse_err(psmouse, "failed to query touchpad range.\n");  in elantech_setup_ps2()
2069 	error = sysfs_create_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_setup_ps2()
2072 		psmouse_err(psmouse,  in elantech_setup_ps2()
2088 			psmouse->ps2dev.serio->phys);  in elantech_setup_ps2()
2095 		tp_dev->dev.parent = &psmouse->ps2dev.serio->dev;  in elantech_setup_ps2()
2111 	psmouse->protocol_handler = elantech_process_byte;  in elantech_setup_ps2()
2112 	psmouse->disconnect = elantech_disconnect;  in elantech_setup_ps2()
2113 	psmouse->reconnect = elantech_reconnect;  in elantech_setup_ps2()
2114 	psmouse->pktsize = info->hw_version > 1 ? 6 : 4;  in elantech_setup_ps2()
2120 	sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_setup_ps2()
2127 int elantech_init_ps2(struct psmouse *psmouse)  in elantech_init_ps2()  argument
2132 	psmouse_reset(psmouse);  in elantech_init_ps2()
2134 	error = elantech_query_info(psmouse, &info);  in elantech_init_ps2()
2138 	error = elantech_setup_ps2(psmouse, &info);  in elantech_init_ps2()
2144 	psmouse_reset(psmouse);  in elantech_init_ps2()
2148 int elantech_init(struct psmouse *psmouse)  in elantech_init()  argument
2153 	psmouse_reset(psmouse);  in elantech_init()
2155 	error = elantech_query_info(psmouse, &info);  in elantech_init()
2161 	if (elantech_use_host_notify(psmouse, &info)) {  in elantech_init()
2164 			psmouse_warn(psmouse,  in elantech_init()
2168 		error = elantech_setup_smbus(psmouse, &info, true);  in elantech_init()
2175 	error = elantech_setup_ps2(psmouse, &info);  in elantech_init()
2181 		psmouse_smbus_cleanup(psmouse);  in elantech_init()
2187 	psmouse_reset(psmouse);  in elantech_init()