138 	int error;  in elan_i2c_initialize()  local
141 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_initialize()
142 	if (error) {  in elan_i2c_initialize()
143 		dev_err(dev, "device reset failed: %d\n", error);  in elan_i2c_initialize()
144 		return error;  in elan_i2c_initialize()
151 	error = i2c_master_recv(client, val, ETP_I2C_INF_LENGTH);  in elan_i2c_initialize()
152 	if (error < 0) {  in elan_i2c_initialize()
153 		dev_err(dev, "failed to read reset response: %d\n", error);  in elan_i2c_initialize()
154 		return error;  in elan_i2c_initialize()
157 	error = elan_i2c_read_block(client, ETP_I2C_DESC_CMD,  in elan_i2c_initialize()
159 	if (error) {  in elan_i2c_initialize()
160 		dev_err(dev, "cannot get device descriptor: %d\n", error);  in elan_i2c_initialize()
161 		return error;  in elan_i2c_initialize()
164 	error = elan_i2c_read_block(client, ETP_I2C_REPORT_DESC_CMD,  in elan_i2c_initialize()
166 	if (error) {  in elan_i2c_initialize()
167 		dev_err(dev, "fetching report descriptor failed.: %d\n", error);  in elan_i2c_initialize()
168 		return error;  in elan_i2c_initialize()
184 	int error;  in elan_i2c_power_control()  local
186 	error = elan_i2c_read_cmd(client, ETP_I2C_POWER_CMD, val);  in elan_i2c_power_control()
187 	if (error) {  in elan_i2c_power_control()
190 			error);  in elan_i2c_power_control()
191 		return error;  in elan_i2c_power_control()
200 	error = elan_i2c_write_cmd(client, ETP_I2C_POWER_CMD, reg);  in elan_i2c_power_control()
201 	if (error) {  in elan_i2c_power_control()
204 			error);  in elan_i2c_power_control()
205 		return error;  in elan_i2c_power_control()
230 	int error;  in elan_i2c_get_baseline_data()  local
233 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_baseline_data()
237 	if (error)  in elan_i2c_get_baseline_data()
238 		return error;  in elan_i2c_get_baseline_data()
247 	int error;  in elan_i2c_get_pattern()  local
250 	error = elan_i2c_read_cmd(client, ETP_I2C_PATTERN_CMD, val);  in elan_i2c_get_pattern()
251 	if (error) {  in elan_i2c_get_pattern()
252 		dev_err(&client->dev, "failed to get pattern: %d\n", error);  in elan_i2c_get_pattern()
253 		return error;  in elan_i2c_get_pattern()
263 	int error;  in elan_i2c_get_version()  local
267 	error = elan_i2c_get_pattern(client, &pattern_ver);  in elan_i2c_get_version()
268 	if (error) {  in elan_i2c_get_version()
270 		return error;  in elan_i2c_get_version()
273 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_version()
277 	if (error) {  in elan_i2c_get_version()
279 			iap ? "IAP" : "FW", error);  in elan_i2c_get_version()
280 		return error;  in elan_i2c_get_version()
294 	int error;  in elan_i2c_get_sm_version()  local
298 	error = elan_i2c_get_pattern(client, &pattern_ver);  in elan_i2c_get_sm_version()
299 	if (error) {  in elan_i2c_get_sm_version()
301 		return error;  in elan_i2c_get_sm_version()
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()
332 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
334 		if (error) {  in elan_i2c_get_sm_version()
336 				error);  in elan_i2c_get_sm_version()
337 			return error;  in elan_i2c_get_sm_version()
347 	int error;  in elan_i2c_get_product_id()  local
350 	error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val);  in elan_i2c_get_product_id()
351 	if (error) {  in elan_i2c_get_product_id()
352 		dev_err(&client->dev, "failed to get product ID: %d\n", error);  in elan_i2c_get_product_id()
353 		return error;  in elan_i2c_get_product_id()
363 	int error;  in elan_i2c_get_checksum()  local
366 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_checksum()
370 	if (error) {  in elan_i2c_get_checksum()
372 			iap ? "IAP" : "FW", error);  in elan_i2c_get_checksum()
373 		return error;  in elan_i2c_get_checksum()
383 	int error;  in elan_i2c_get_max()  local
386 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val);  in elan_i2c_get_max()
387 	if (error) {  in elan_i2c_get_max()
388 		dev_err(&client->dev, "failed to get X dimension: %d\n", error);  in elan_i2c_get_max()
389 		return error;  in elan_i2c_get_max()
394 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val);  in elan_i2c_get_max()
395 	if (error) {  in elan_i2c_get_max()
396 		dev_err(&client->dev, "failed to get Y dimension: %d\n", error);  in elan_i2c_get_max()
397 		return error;  in elan_i2c_get_max()
408 	int error;  in elan_i2c_get_resolution()  local
411 	error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val);  in elan_i2c_get_resolution()
412 	if (error) {  in elan_i2c_get_resolution()
413 		dev_err(&client->dev, "failed to get resolution: %d\n", error);  in elan_i2c_get_resolution()
414 		return error;  in elan_i2c_get_resolution()
427 	int error;  in elan_i2c_get_num_traces()  local
430 	error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val);  in elan_i2c_get_num_traces()
431 	if (error) {  in elan_i2c_get_num_traces()
432 		dev_err(&client->dev, "failed to get trace info: %d\n", error);  in elan_i2c_get_num_traces()
433 		return error;  in elan_i2c_get_num_traces()
445 	int error;  in elan_i2c_get_pressure_adjustment()  local
448 	error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val);  in elan_i2c_get_pressure_adjustment()
449 	if (error) {  in elan_i2c_get_pressure_adjustment()
451 			error);  in elan_i2c_get_pressure_adjustment()
452 		return error;  in elan_i2c_get_pressure_adjustment()
465 	int error;  in elan_i2c_iap_get_mode()  local
469 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_iap_get_mode()
470 	if (error) {  in elan_i2c_iap_get_mode()
473 			error);  in elan_i2c_iap_get_mode()
474 		return error;  in elan_i2c_iap_get_mode()
487 	int error;  in elan_i2c_iap_reset()  local
489 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD,  in elan_i2c_iap_reset()
491 	if (error) {  in elan_i2c_iap_reset()
492 		dev_err(&client->dev, "cannot reset IC: %d\n", error);  in elan_i2c_iap_reset()
493 		return error;  in elan_i2c_iap_reset()
501 	int error;  in elan_i2c_set_flash_key()  local
503 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD,  in elan_i2c_set_flash_key()
505 	if (error) {  in elan_i2c_set_flash_key()
506 		dev_err(&client->dev, "cannot set flash key: %d\n", error);  in elan_i2c_set_flash_key()
507 		return error;  in elan_i2c_set_flash_key()
516 	int error;  in elan_i2c_prepare_fw_update()  local
522 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
523 	if (error)  in elan_i2c_prepare_fw_update()
524 		return error;  in elan_i2c_prepare_fw_update()
528 		error = elan_i2c_iap_reset(client);  in elan_i2c_prepare_fw_update()
529 		if (error)  in elan_i2c_prepare_fw_update()
530 			return error;  in elan_i2c_prepare_fw_update()
536 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
537 	if (error)  in elan_i2c_prepare_fw_update()
538 		return error;  in elan_i2c_prepare_fw_update()
544 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
545 	if (error)  in elan_i2c_prepare_fw_update()
546 		return error;  in elan_i2c_prepare_fw_update()
554 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
555 	if (error)  in elan_i2c_prepare_fw_update()
556 		return error;  in elan_i2c_prepare_fw_update()
562 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val);  in elan_i2c_prepare_fw_update()
563 	if (error) {  in elan_i2c_prepare_fw_update()
565 			error);  in elan_i2c_prepare_fw_update()
566 		return error;  in elan_i2c_prepare_fw_update()
585 	int ret, error;  in elan_i2c_write_fw_block()  local
595 		error = ret < 0 ? ret : -EIO;  in elan_i2c_write_fw_block()
596 		dev_err(dev, "Failed to write page %d: %d\n", idx, error);  in elan_i2c_write_fw_block()
597 		return error;  in elan_i2c_write_fw_block()
603 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_write_fw_block()
604 	if (error) {  in elan_i2c_write_fw_block()
605 		dev_err(dev, "Failed to read IAP write result: %d\n", error);  in elan_i2c_write_fw_block()
606 		return error;  in elan_i2c_write_fw_block()
623 	int error;  in elan_i2c_finish_fw_update()  local
629 		error = len < 0 ? len : -EIO;  in elan_i2c_finish_fw_update()
631 			error, len);  in elan_i2c_finish_fw_update()
637 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_finish_fw_update()
638 	if (error) {  in elan_i2c_finish_fw_update()
639 		dev_err(dev, "device reset failed: %d\n", error);  in elan_i2c_finish_fw_update()
643 		error = -ETIMEDOUT;  in elan_i2c_finish_fw_update()
648 	if (error)  in elan_i2c_finish_fw_update()
649 		return error;  in elan_i2c_finish_fw_update()
653 		error = len < 0 ? len : -EIO;  in elan_i2c_finish_fw_update()
655 			error, len);  in elan_i2c_finish_fw_update()
656 		return error;  in elan_i2c_finish_fw_update()