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()
535 			elantech_packet_dump(psmouse);  in elantech_report_trackpoint()
545 static void elantech_report_absolute_v3(struct psmouse *psmouse,  in elantech_report_absolute_v3()  argument
548 	struct input_dev *dev = psmouse->dev;  in elantech_report_absolute_v3()
549 	struct elantech_data *etd = psmouse->private;  in elantech_report_absolute_v3()
550 	unsigned char *packet = psmouse->packet;  in elantech_report_absolute_v3()
624 static void elantech_input_sync_v4(struct psmouse *psmouse)  in elantech_input_sync_v4()  argument
626 	struct input_dev *dev = psmouse->dev;  in elantech_input_sync_v4()
627 	struct elantech_data *etd = psmouse->private;  in elantech_input_sync_v4()
628 	unsigned char *packet = psmouse->packet;  in elantech_input_sync_v4()
640 static void process_packet_status_v4(struct psmouse *psmouse)  in process_packet_status_v4()  argument
642 	struct input_dev *dev = psmouse->dev;  in process_packet_status_v4()
643 	unsigned char *packet = psmouse->packet;  in process_packet_status_v4()
656 	elantech_input_sync_v4(psmouse);  in process_packet_status_v4()
659 static void process_packet_head_v4(struct psmouse *psmouse)  in process_packet_head_v4()  argument
661 	struct input_dev *dev = psmouse->dev;  in process_packet_head_v4()
662 	struct elantech_data *etd = psmouse->private;  in process_packet_head_v4()
663 	unsigned char *packet = psmouse->packet;  in process_packet_head_v4()
685 	elantech_input_sync_v4(psmouse);  in process_packet_head_v4()
688 static void process_packet_motion_v4(struct psmouse *psmouse)  in process_packet_motion_v4()  argument
690 	struct input_dev *dev = psmouse->dev;  in process_packet_motion_v4()
691 	struct elantech_data *etd = psmouse->private;  in process_packet_motion_v4()
692 	unsigned char *packet = psmouse->packet;  in process_packet_motion_v4()
726 	elantech_input_sync_v4(psmouse);  in process_packet_motion_v4()
729 static void elantech_report_absolute_v4(struct psmouse *psmouse,  in elantech_report_absolute_v4()  argument
734 		process_packet_status_v4(psmouse);  in elantech_report_absolute_v4()
738 		process_packet_head_v4(psmouse);  in elantech_report_absolute_v4()
742 		process_packet_motion_v4(psmouse);  in elantech_report_absolute_v4()
752 static int elantech_packet_check_v1(struct psmouse *psmouse)  in elantech_packet_check_v1()  argument
754 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v1()
755 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v1()
776 static int elantech_debounce_check_v2(struct psmouse *psmouse)  in elantech_debounce_check_v2()  argument
785         unsigned char *packet = psmouse->packet;  in elantech_debounce_check_v2()
790 static int elantech_packet_check_v2(struct psmouse *psmouse)  in elantech_packet_check_v2()  argument
792 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v2()
793 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v2()
822 static int elantech_packet_check_v3(struct psmouse *psmouse)  in elantech_packet_check_v3()  argument
824 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v3()
828 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v3()
860 static int elantech_packet_check_v4(struct psmouse *psmouse)  in elantech_packet_check_v4()  argument
862 	struct elantech_data *etd = psmouse->private;  in elantech_packet_check_v4()
863 	unsigned char *packet = psmouse->packet;  in elantech_packet_check_v4()
909 static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)  in elantech_process_byte()  argument
911 	struct elantech_data *etd = psmouse->private;  in elantech_process_byte()
914 	if (psmouse->pktcnt < psmouse->pktsize)  in elantech_process_byte()
918 		elantech_packet_dump(psmouse);  in elantech_process_byte()
922 		if (etd->info.paritycheck && !elantech_packet_check_v1(psmouse))  in elantech_process_byte()
925 		elantech_report_absolute_v1(psmouse);  in elantech_process_byte()
930 		if (elantech_debounce_check_v2(psmouse))  in elantech_process_byte()
933 		if (etd->info.paritycheck && !elantech_packet_check_v2(psmouse))  in elantech_process_byte()
936 		elantech_report_absolute_v2(psmouse);  in elantech_process_byte()
940 		packet_type = elantech_packet_check_v3(psmouse);  in elantech_process_byte()
950 			elantech_report_trackpoint(psmouse, packet_type);  in elantech_process_byte()
954 			elantech_report_absolute_v3(psmouse, packet_type);  in elantech_process_byte()
961 		packet_type = elantech_packet_check_v4(psmouse);  in elantech_process_byte()
967 			elantech_report_trackpoint(psmouse, packet_type);  in elantech_process_byte()
971 			elantech_report_absolute_v4(psmouse, packet_type);  in elantech_process_byte()
986 static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse,  in elantech_set_rate_restore_reg_07()  argument
989 	struct elantech_data *etd = psmouse->private;  in elantech_set_rate_restore_reg_07()
991 	etd->original_set_rate(psmouse, rate);  in elantech_set_rate_restore_reg_07()
992 	if (elantech_write_reg(psmouse, 0x07, etd->reg_07))  in elantech_set_rate_restore_reg_07()
993 		psmouse_err(psmouse, "restoring reg_07 failed\n");  in elantech_set_rate_restore_reg_07()
999 static int elantech_set_absolute_mode(struct psmouse *psmouse)  in elantech_set_absolute_mode()  argument
1001 	struct elantech_data *etd = psmouse->private;  in elantech_set_absolute_mode()
1010 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10) ||  in elantech_set_absolute_mode()
1011 		    elantech_write_reg(psmouse, 0x11, etd->reg_11)) {  in elantech_set_absolute_mode()
1021 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10) ||  in elantech_set_absolute_mode()
1022 		    elantech_write_reg(psmouse, 0x11, etd->reg_11) ||  in elantech_set_absolute_mode()
1023 		    elantech_write_reg(psmouse, 0x21, etd->reg_21)) {  in elantech_set_absolute_mode()
1034 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10))  in elantech_set_absolute_mode()
1041 		if (elantech_write_reg(psmouse, 0x07, etd->reg_07))  in elantech_set_absolute_mode()
1055 			rc = elantech_read_reg(psmouse, 0x10, &val);  in elantech_set_absolute_mode()
1064 			psmouse_err(psmouse,  in elantech_set_absolute_mode()
1068 			psmouse_err(psmouse,  in elantech_set_absolute_mode()
1076 		psmouse_err(psmouse, "failed to initialise registers.\n");  in elantech_set_absolute_mode()
1090 static int elantech_get_resolution_v4(struct psmouse *psmouse,  in elantech_get_resolution_v4()  argument
1097 	if (elantech_send_cmd(psmouse, ETP_RESOLUTION_QUERY, param))  in elantech_get_resolution_v4()
1107 static void elantech_set_buttonpad_prop(struct psmouse *psmouse)  in elantech_set_buttonpad_prop()  argument
1109 	struct input_dev *dev = psmouse->dev;  in elantech_set_buttonpad_prop()
1110 	struct elantech_data *etd = psmouse->private;  in elantech_set_buttonpad_prop()
1151 static int elantech_set_input_params(struct psmouse *psmouse)  in elantech_set_input_params()  argument
1153 	struct input_dev *dev = psmouse->dev;  in elantech_set_input_params()
1154 	struct elantech_data *etd = psmouse->private;  in elantech_set_input_params()
1193 			elantech_set_buttonpad_prop(psmouse);  in elantech_set_input_params()
1208 		elantech_set_buttonpad_prop(psmouse);  in elantech_set_input_params()
1257 static ssize_t elantech_show_int_attr(struct psmouse *psmouse, void *data,  in elantech_show_int_attr()  argument
1260 	struct elantech_data *etd = psmouse->private;  in elantech_show_int_attr()
1266 		rc = elantech_read_reg(psmouse, attr->reg, reg);  in elantech_show_int_attr()
1274 static ssize_t elantech_set_int_attr(struct psmouse *psmouse,  in elantech_set_int_attr()  argument
1277 	struct elantech_data *etd = psmouse->private;  in elantech_set_int_attr()
1297 	if (!attr->reg || elantech_write_reg(psmouse, attr->reg, value) == 0)  in elantech_set_int_attr()
1388 int elantech_detect(struct psmouse *psmouse, bool set_properties)  in elantech_detect()  argument
1390 	struct ps2dev *ps2dev = &psmouse->ps2dev;  in elantech_detect()
1400 		psmouse_dbg(psmouse, "sending Elantech magic knock failed.\n");  in elantech_detect()
1410 		psmouse_dbg(psmouse,  in elantech_detect()
1421 	if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {  in elantech_detect()
1422 		psmouse_dbg(psmouse, "failed to query firmware version.\n");  in elantech_detect()
1426 	psmouse_dbg(psmouse,  in elantech_detect()
1431 		psmouse_dbg(psmouse,  in elantech_detect()
1437 		psmouse->vendor = "Elantech";  in elantech_detect()
1438 		psmouse->name = "Touchpad";  in elantech_detect()
1447 static void elantech_disconnect(struct psmouse *psmouse)  in elantech_disconnect()  argument
1449 	struct elantech_data *etd = psmouse->private;  in elantech_disconnect()
1455 	psmouse_smbus_cleanup(psmouse);  in elantech_disconnect()
1459 	sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_disconnect()
1461 	kfree(psmouse->private);  in elantech_disconnect()
1462 	psmouse->private = NULL;  in elantech_disconnect()
1468 static int elantech_reconnect(struct psmouse *psmouse)  in elantech_reconnect()  argument
1470 	psmouse_reset(psmouse);  in elantech_reconnect()
1472 	if (elantech_detect(psmouse, 0))  in elantech_reconnect()
1475 	if (elantech_set_absolute_mode(psmouse)) {  in elantech_reconnect()
1476 		psmouse_err(psmouse,  in elantech_reconnect()
1576 static int elantech_change_report_id(struct psmouse *psmouse)  in elantech_change_report_id()  argument
1580 	if (elantech_write_reg_params(psmouse, 0x7, param) ||  in elantech_change_report_id()
1581 	    elantech_read_reg_params(psmouse, 0x7, param) ||  in elantech_change_report_id()
1583 		psmouse_err(psmouse, "Unable to change report ID to 0x5f.\n");  in elantech_change_report_id()
1658 static int elantech_query_info(struct psmouse *psmouse,  in elantech_query_info()  argument
1670 	if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {  in elantech_query_info()
1671 		psmouse_err(psmouse, "failed to query firmware version.\n");  in elantech_query_info()
1677 		psmouse_err(psmouse, "unknown hardware version, aborting...\n");  in elantech_query_info()
1680 	psmouse_info(psmouse,  in elantech_query_info()
1684 	if (info->send_cmd(psmouse, ETP_CAPABILITIES_QUERY,  in elantech_query_info()
1686 		psmouse_err(psmouse, "failed to query capabilities.\n");  in elantech_query_info()
1689 	psmouse_info(psmouse,  in elantech_query_info()
1695 		if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, info->samples)) {  in elantech_query_info()
1696 			psmouse_err(psmouse, "failed to query sample data\n");  in elantech_query_info()
1699 		psmouse_info(psmouse,  in elantech_query_info()
1707 		if (info->send_cmd(psmouse, ETP_ICBODY_QUERY, ic_body)) {  in elantech_query_info()
1708 			psmouse_err(psmouse, "failed to query ic body\n");  in elantech_query_info()
1712 		psmouse_info(psmouse,  in elantech_query_info()
1727 		psmouse_info(psmouse,  in elantech_query_info()
1745 		if (elantech_change_report_id(psmouse)) {  in elantech_query_info()
1746 			psmouse_info(psmouse,  in elantech_query_info()
1755 		if (elantech_get_resolution_v4(psmouse,  in elantech_query_info()
1759 			psmouse_warn(psmouse,  in elantech_query_info()
1788 			if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1794 				if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, param))  in elantech_query_info()
1813 		if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1821 		if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param))  in elantech_query_info()
1877 static int elantech_create_smbus(struct psmouse *psmouse,  in elantech_create_smbus()  argument
1923 	return psmouse_smbus_init(psmouse, &smbus_board, NULL, 0, false,  in elantech_create_smbus()
1931 static int elantech_setup_smbus(struct psmouse *psmouse,  in elantech_setup_smbus()  argument
1947 		    psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids))  in elantech_setup_smbus()
1951 	psmouse_info(psmouse, "Trying to set up SMBus access\n");  in elantech_setup_smbus()
1953 	error = elantech_create_smbus(psmouse, info, leave_breadcrumbs);  in elantech_setup_smbus()
1956 			psmouse_info(psmouse, "SMbus companion is not ready yet\n");  in elantech_setup_smbus()
1958 			psmouse_err(psmouse, "unable to create intertouch device\n");  in elantech_setup_smbus()
1966 static bool elantech_use_host_notify(struct psmouse *psmouse,  in elantech_use_host_notify()  argument
1978 		psmouse_dbg(psmouse, "Ignoring SMBus provider through alert protocol.\n");  in elantech_use_host_notify()
1984 		psmouse_dbg(psmouse,  in elantech_use_host_notify()
1992 int elantech_init_smbus(struct psmouse *psmouse)  in elantech_init_smbus()  argument
1997 	psmouse_reset(psmouse);  in elantech_init_smbus()
1999 	error = elantech_query_info(psmouse, &info);  in elantech_init_smbus()
2008 	return elantech_create_smbus(psmouse, &info, false);  in elantech_init_smbus()
2010 	psmouse_reset(psmouse);  in elantech_init_smbus()
2018 static int elantech_setup_ps2(struct psmouse *psmouse,  in elantech_setup_ps2()  argument
2026 	psmouse->private = etd = kzalloc(sizeof(*etd), GFP_KERNEL);  in elantech_setup_ps2()
2036 	if (elantech_set_absolute_mode(psmouse)) {  in elantech_setup_ps2()
2037 		psmouse_err(psmouse,  in elantech_setup_ps2()
2043 		etd->original_set_rate = psmouse->set_rate;  in elantech_setup_ps2()
2044 		psmouse->set_rate = elantech_set_rate_restore_reg_07;  in elantech_setup_ps2()
2047 	if (elantech_set_input_params(psmouse)) {  in elantech_setup_ps2()
2048 		psmouse_err(psmouse, "failed to query touchpad range.\n");  in elantech_setup_ps2()
2052 	error = sysfs_create_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_setup_ps2()
2055 		psmouse_err(psmouse,  in elantech_setup_ps2()
2071 			psmouse->ps2dev.serio->phys);  in elantech_setup_ps2()
2078 		tp_dev->dev.parent = &psmouse->ps2dev.serio->dev;  in elantech_setup_ps2()
2094 	psmouse->protocol_handler = elantech_process_byte;  in elantech_setup_ps2()
2095 	psmouse->disconnect = elantech_disconnect;  in elantech_setup_ps2()
2096 	psmouse->reconnect = elantech_reconnect;  in elantech_setup_ps2()
2097 	psmouse->pktsize = info->hw_version > 1 ? 6 : 4;  in elantech_setup_ps2()
2103 	sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,  in elantech_setup_ps2()
2110 int elantech_init_ps2(struct psmouse *psmouse)  in elantech_init_ps2()  argument
2115 	psmouse_reset(psmouse);  in elantech_init_ps2()
2117 	error = elantech_query_info(psmouse, &info);  in elantech_init_ps2()
2121 	error = elantech_setup_ps2(psmouse, &info);  in elantech_init_ps2()
2127 	psmouse_reset(psmouse);  in elantech_init_ps2()
2131 int elantech_init(struct psmouse *psmouse)  in elantech_init()  argument
2136 	psmouse_reset(psmouse);  in elantech_init()
2138 	error = elantech_query_info(psmouse, &info);  in elantech_init()
2144 	if (elantech_use_host_notify(psmouse, &info)) {  in elantech_init()
2147 			psmouse_warn(psmouse,  in elantech_init()
2151 		error = elantech_setup_smbus(psmouse, &info, true);  in elantech_init()
2158 	error = elantech_setup_ps2(psmouse, &info);  in elantech_init()
2164 		psmouse_smbus_cleanup(psmouse);  in elantech_init()
2170 	psmouse_reset(psmouse);  in elantech_init()