142 	int error;  in elan_i2c_initialize()  local
145 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_initialize()
146 	if (error) {  in elan_i2c_initialize()
147 		dev_err(dev, "device reset failed: %d\n", error);  in elan_i2c_initialize()
148 		return error;  in elan_i2c_initialize()
155 	error = i2c_master_recv(client, val, ETP_I2C_INF_LENGTH);  in elan_i2c_initialize()
156 	if (error < 0) {  in elan_i2c_initialize()
157 		dev_err(dev, "failed to read reset response: %d\n", error);  in elan_i2c_initialize()
158 		return error;  in elan_i2c_initialize()
161 	error = elan_i2c_read_block(client, ETP_I2C_DESC_CMD,  in elan_i2c_initialize()
163 	if (error) {  in elan_i2c_initialize()
164 		dev_err(dev, "cannot get device descriptor: %d\n", error);  in elan_i2c_initialize()
165 		return error;  in elan_i2c_initialize()
168 	error = elan_i2c_read_block(client, ETP_I2C_REPORT_DESC_CMD,  in elan_i2c_initialize()
170 	if (error) {  in elan_i2c_initialize()
171 		dev_err(dev, "fetching report descriptor failed.: %d\n", error);  in elan_i2c_initialize()
172 		return error;  in elan_i2c_initialize()
188 	int error;  in elan_i2c_power_control()  local
190 	error = elan_i2c_read_cmd(client, ETP_I2C_POWER_CMD, val);  in elan_i2c_power_control()
191 	if (error) {  in elan_i2c_power_control()
194 			error);  in elan_i2c_power_control()
195 		return error;  in elan_i2c_power_control()
204 	error = elan_i2c_write_cmd(client, ETP_I2C_POWER_CMD, reg);  in elan_i2c_power_control()
205 	if (error) {  in elan_i2c_power_control()
208 			error);  in elan_i2c_power_control()
209 		return error;  in elan_i2c_power_control()
234 	int error;  in elan_i2c_get_baseline_data()  local
237 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_baseline_data()
241 	if (error)  in elan_i2c_get_baseline_data()
242 		return error;  in elan_i2c_get_baseline_data()
251 	int error;  in elan_i2c_get_pattern()  local
254 	error = elan_i2c_read_cmd(client, ETP_I2C_PATTERN_CMD, val);  in elan_i2c_get_pattern()
255 	if (error) {  in elan_i2c_get_pattern()
256 		dev_err(&client->dev, "failed to get pattern: %d\n", error);  in elan_i2c_get_pattern()
257 		return error;  in elan_i2c_get_pattern()
273 	int error;  in elan_i2c_get_version()  local
284 	error = elan_i2c_read_cmd(client, cmd, val);  in elan_i2c_get_version()
285 	if (error) {  in elan_i2c_get_version()
287 			iap ? "IAP" : "FW", error);  in elan_i2c_get_version()
288 		return error;  in elan_i2c_get_version()
301 	int error;  in elan_i2c_get_sm_version()  local
305 		error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_CMD, val);  in elan_i2c_get_sm_version()
306 		if (error) {  in elan_i2c_get_sm_version()
308 				error);  in elan_i2c_get_sm_version()
309 			return error;  in elan_i2c_get_sm_version()
313 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
315 		if (error) {  in elan_i2c_get_sm_version()
317 				error);  in elan_i2c_get_sm_version()
318 			return error;  in elan_i2c_get_sm_version()
323 		error = elan_i2c_read_cmd(client, ETP_I2C_OSM_VERSION_CMD, val);  in elan_i2c_get_sm_version()
324 		if (error) {  in elan_i2c_get_sm_version()
326 				error);  in elan_i2c_get_sm_version()
327 			return error;  in elan_i2c_get_sm_version()
331 		error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_P0_CMD, val);  in elan_i2c_get_sm_version()
332 		if (error) {  in elan_i2c_get_sm_version()
334 				error);  in elan_i2c_get_sm_version()
335 			return error;  in elan_i2c_get_sm_version()
339 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
341 		if (error) {  in elan_i2c_get_sm_version()
343 				error);  in elan_i2c_get_sm_version()
344 			return error;  in elan_i2c_get_sm_version()
354 	int error;  in elan_i2c_get_product_id()  local
357 	error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val);  in elan_i2c_get_product_id()
358 	if (error) {  in elan_i2c_get_product_id()
359 		dev_err(&client->dev, "failed to get product ID: %d\n", error);  in elan_i2c_get_product_id()
360 		return error;  in elan_i2c_get_product_id()
370 	int error;  in elan_i2c_get_checksum()  local
373 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_checksum()
377 	if (error) {  in elan_i2c_get_checksum()
379 			iap ? "IAP" : "FW", error);  in elan_i2c_get_checksum()
380 		return error;  in elan_i2c_get_checksum()
390 	int error;  in elan_i2c_get_max()  local
393 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val);  in elan_i2c_get_max()
394 	if (error) {  in elan_i2c_get_max()
395 		dev_err(&client->dev, "failed to get X dimension: %d\n", error);  in elan_i2c_get_max()
396 		return error;  in elan_i2c_get_max()
401 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val);  in elan_i2c_get_max()
402 	if (error) {  in elan_i2c_get_max()
403 		dev_err(&client->dev, "failed to get Y dimension: %d\n", error);  in elan_i2c_get_max()
404 		return error;  in elan_i2c_get_max()
415 	int error;  in elan_i2c_get_resolution()  local
418 	error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val);  in elan_i2c_get_resolution()
419 	if (error) {  in elan_i2c_get_resolution()
420 		dev_err(&client->dev, "failed to get resolution: %d\n", error);  in elan_i2c_get_resolution()
421 		return error;  in elan_i2c_get_resolution()
434 	int error;  in elan_i2c_get_num_traces()  local
437 	error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val);  in elan_i2c_get_num_traces()
438 	if (error) {  in elan_i2c_get_num_traces()
439 		dev_err(&client->dev, "failed to get trace info: %d\n", error);  in elan_i2c_get_num_traces()
440 		return error;  in elan_i2c_get_num_traces()
452 	int error;  in elan_i2c_get_pressure_adjustment()  local
455 	error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val);  in elan_i2c_get_pressure_adjustment()
456 	if (error) {  in elan_i2c_get_pressure_adjustment()
458 			error);  in elan_i2c_get_pressure_adjustment()
459 		return error;  in elan_i2c_get_pressure_adjustment()
472 	int error;  in elan_i2c_iap_get_mode()  local
476 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_iap_get_mode()
477 	if (error) {  in elan_i2c_iap_get_mode()
480 			error);  in elan_i2c_iap_get_mode()
481 		return error;  in elan_i2c_iap_get_mode()
494 	int error;  in elan_i2c_iap_reset()  local
496 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD,  in elan_i2c_iap_reset()
498 	if (error) {  in elan_i2c_iap_reset()
499 		dev_err(&client->dev, "cannot reset IC: %d\n", error);  in elan_i2c_iap_reset()
500 		return error;  in elan_i2c_iap_reset()
508 	int error;  in elan_i2c_set_flash_key()  local
510 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD,  in elan_i2c_set_flash_key()
512 	if (error) {  in elan_i2c_set_flash_key()
513 		dev_err(&client->dev, "cannot set flash key: %d\n", error);  in elan_i2c_set_flash_key()
514 		return error;  in elan_i2c_set_flash_key()
522 	int error;  in elan_read_write_iap_type()  local
528 		error = elan_i2c_write_cmd(client, ETP_I2C_IAP_TYPE_CMD,  in elan_read_write_iap_type()
530 		if (error) {  in elan_read_write_iap_type()
532 				"cannot write iap type: %d\n", error);  in elan_read_write_iap_type()
533 			return error;  in elan_read_write_iap_type()
536 		error = elan_i2c_read_cmd(client, ETP_I2C_IAP_TYPE_CMD, val);  in elan_read_write_iap_type()
537 		if (error) {  in elan_read_write_iap_type()
540 				error);  in elan_read_write_iap_type()
541 			return error;  in elan_read_write_iap_type()
559 	int error;  in elan_i2c_prepare_fw_update()  local
565 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
566 	if (error)  in elan_i2c_prepare_fw_update()
567 		return error;  in elan_i2c_prepare_fw_update()
571 		error = elan_i2c_iap_reset(client);  in elan_i2c_prepare_fw_update()
572 		if (error)  in elan_i2c_prepare_fw_update()
573 			return error;  in elan_i2c_prepare_fw_update()
579 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
580 	if (error)  in elan_i2c_prepare_fw_update()
581 		return error;  in elan_i2c_prepare_fw_update()
587 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
588 	if (error)  in elan_i2c_prepare_fw_update()
589 		return error;  in elan_i2c_prepare_fw_update()
597 		error = elan_read_write_iap_type(client, fw_page_size);  in elan_i2c_prepare_fw_update()
598 		if (error)  in elan_i2c_prepare_fw_update()
599 			return error;  in elan_i2c_prepare_fw_update()
603 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
604 	if (error)  in elan_i2c_prepare_fw_update()
605 		return error;  in elan_i2c_prepare_fw_update()
611 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val);  in elan_i2c_prepare_fw_update()
612 	if (error) {  in elan_i2c_prepare_fw_update()
614 			error);  in elan_i2c_prepare_fw_update()
615 		return error;  in elan_i2c_prepare_fw_update()
634 	int ret, error;  in elan_i2c_write_fw_block()  local
648 		error = ret < 0 ? ret : -EIO;  in elan_i2c_write_fw_block()
649 		dev_err(dev, "Failed to write page %d: %d\n", idx, error);  in elan_i2c_write_fw_block()
656 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_write_fw_block()
657 	if (error) {  in elan_i2c_write_fw_block()
658 		dev_err(dev, "Failed to read IAP write result: %d\n", error);  in elan_i2c_write_fw_block()
666 		error = -EIO;  in elan_i2c_write_fw_block()
672 	return error;  in elan_i2c_write_fw_block()
679 	int error = 0;  in elan_i2c_finish_fw_update()  local
685 		error = len < 0 ? len : -EIO;  in elan_i2c_finish_fw_update()
687 			error, len);  in elan_i2c_finish_fw_update()
693 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_finish_fw_update()
694 	if (error) {  in elan_i2c_finish_fw_update()
695 		dev_err(dev, "device reset failed: %d\n", error);  in elan_i2c_finish_fw_update()
699 		error = -ETIMEDOUT;  in elan_i2c_finish_fw_update()
704 	if (error)  in elan_i2c_finish_fw_update()
705 		return error;  in elan_i2c_finish_fw_update()
709 		error = len < 0 ? len : -EIO;  in elan_i2c_finish_fw_update()
711 			error, len);  in elan_i2c_finish_fw_update()
712 		return error;  in elan_i2c_finish_fw_update()