135 	int error;  in elan_i2c_initialize()  local
138 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_initialize()
139 	if (error) {  in elan_i2c_initialize()
140 		dev_err(dev, "device reset failed: %d\n", error);  in elan_i2c_initialize()
141 		return error;  in elan_i2c_initialize()
148 	error = i2c_master_recv(client, val, ETP_I2C_INF_LENGTH);  in elan_i2c_initialize()
149 	if (error < 0) {  in elan_i2c_initialize()
150 		dev_err(dev, "failed to read reset response: %d\n", error);  in elan_i2c_initialize()
151 		return error;  in elan_i2c_initialize()
154 	error = elan_i2c_read_block(client, ETP_I2C_DESC_CMD,  in elan_i2c_initialize()
156 	if (error) {  in elan_i2c_initialize()
157 		dev_err(dev, "cannot get device descriptor: %d\n", error);  in elan_i2c_initialize()
158 		return error;  in elan_i2c_initialize()
161 	error = elan_i2c_read_block(client, ETP_I2C_REPORT_DESC_CMD,  in elan_i2c_initialize()
163 	if (error) {  in elan_i2c_initialize()
164 		dev_err(dev, "fetching report descriptor failed.: %d\n", error);  in elan_i2c_initialize()
165 		return error;  in elan_i2c_initialize()
181 	int error;  in elan_i2c_power_control()  local
183 	error = elan_i2c_read_cmd(client, ETP_I2C_POWER_CMD, val);  in elan_i2c_power_control()
184 	if (error) {  in elan_i2c_power_control()
187 			error);  in elan_i2c_power_control()
188 		return error;  in elan_i2c_power_control()
197 	error = elan_i2c_write_cmd(client, ETP_I2C_POWER_CMD, reg);  in elan_i2c_power_control()
198 	if (error) {  in elan_i2c_power_control()
201 			error);  in elan_i2c_power_control()
202 		return error;  in elan_i2c_power_control()
227 	int error;  in elan_i2c_get_baseline_data()  local
230 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_baseline_data()
234 	if (error)  in elan_i2c_get_baseline_data()
235 		return error;  in elan_i2c_get_baseline_data()
244 	int error;  in elan_i2c_get_pattern()  local
247 	error = elan_i2c_read_cmd(client, ETP_I2C_PATTERN_CMD, val);  in elan_i2c_get_pattern()
248 	if (error) {  in elan_i2c_get_pattern()
249 		dev_err(&client->dev, "failed to get pattern: %d\n", error);  in elan_i2c_get_pattern()
250 		return error;  in elan_i2c_get_pattern()
260 	int error;  in elan_i2c_get_version()  local
264 	error = elan_i2c_get_pattern(client, &pattern_ver);  in elan_i2c_get_version()
265 	if (error) {  in elan_i2c_get_version()
267 		return error;  in elan_i2c_get_version()
270 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_version()
274 	if (error) {  in elan_i2c_get_version()
276 			iap ? "IAP" : "FW", error);  in elan_i2c_get_version()
277 		return error;  in elan_i2c_get_version()
291 	int error;  in elan_i2c_get_sm_version()  local
295 	error = elan_i2c_get_pattern(client, &pattern_ver);  in elan_i2c_get_sm_version()
296 	if (error) {  in elan_i2c_get_sm_version()
298 		return error;  in elan_i2c_get_sm_version()
302 		error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_CMD, val);  in elan_i2c_get_sm_version()
303 		if (error) {  in elan_i2c_get_sm_version()
305 				error);  in elan_i2c_get_sm_version()
306 			return error;  in elan_i2c_get_sm_version()
310 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
312 		if (error) {  in elan_i2c_get_sm_version()
314 				error);  in elan_i2c_get_sm_version()
315 			return error;  in elan_i2c_get_sm_version()
320 		error = elan_i2c_read_cmd(client, ETP_I2C_OSM_VERSION_CMD, val);  in elan_i2c_get_sm_version()
321 		if (error) {  in elan_i2c_get_sm_version()
323 				error);  in elan_i2c_get_sm_version()
324 			return error;  in elan_i2c_get_sm_version()
329 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
331 		if (error) {  in elan_i2c_get_sm_version()
333 				error);  in elan_i2c_get_sm_version()
334 			return error;  in elan_i2c_get_sm_version()
344 	int error;  in elan_i2c_get_product_id()  local
347 	error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val);  in elan_i2c_get_product_id()
348 	if (error) {  in elan_i2c_get_product_id()
349 		dev_err(&client->dev, "failed to get product ID: %d\n", error);  in elan_i2c_get_product_id()
350 		return error;  in elan_i2c_get_product_id()
360 	int error;  in elan_i2c_get_checksum()  local
363 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_checksum()
367 	if (error) {  in elan_i2c_get_checksum()
369 			iap ? "IAP" : "FW", error);  in elan_i2c_get_checksum()
370 		return error;  in elan_i2c_get_checksum()
380 	int error;  in elan_i2c_get_max()  local
383 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val);  in elan_i2c_get_max()
384 	if (error) {  in elan_i2c_get_max()
385 		dev_err(&client->dev, "failed to get X dimension: %d\n", error);  in elan_i2c_get_max()
386 		return error;  in elan_i2c_get_max()
391 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val);  in elan_i2c_get_max()
392 	if (error) {  in elan_i2c_get_max()
393 		dev_err(&client->dev, "failed to get Y dimension: %d\n", error);  in elan_i2c_get_max()
394 		return error;  in elan_i2c_get_max()
405 	int error;  in elan_i2c_get_resolution()  local
408 	error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val);  in elan_i2c_get_resolution()
409 	if (error) {  in elan_i2c_get_resolution()
410 		dev_err(&client->dev, "failed to get resolution: %d\n", error);  in elan_i2c_get_resolution()
411 		return error;  in elan_i2c_get_resolution()
424 	int error;  in elan_i2c_get_num_traces()  local
427 	error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val);  in elan_i2c_get_num_traces()
428 	if (error) {  in elan_i2c_get_num_traces()
429 		dev_err(&client->dev, "failed to get trace info: %d\n", error);  in elan_i2c_get_num_traces()
430 		return error;  in elan_i2c_get_num_traces()
442 	int error;  in elan_i2c_get_pressure_adjustment()  local
445 	error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val);  in elan_i2c_get_pressure_adjustment()
446 	if (error) {  in elan_i2c_get_pressure_adjustment()
448 			error);  in elan_i2c_get_pressure_adjustment()
449 		return error;  in elan_i2c_get_pressure_adjustment()
462 	int error;  in elan_i2c_iap_get_mode()  local
466 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_iap_get_mode()
467 	if (error) {  in elan_i2c_iap_get_mode()
470 			error);  in elan_i2c_iap_get_mode()
471 		return error;  in elan_i2c_iap_get_mode()
484 	int error;  in elan_i2c_iap_reset()  local
486 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD,  in elan_i2c_iap_reset()
488 	if (error) {  in elan_i2c_iap_reset()
489 		dev_err(&client->dev, "cannot reset IC: %d\n", error);  in elan_i2c_iap_reset()
490 		return error;  in elan_i2c_iap_reset()
498 	int error;  in elan_i2c_set_flash_key()  local
500 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD,  in elan_i2c_set_flash_key()
502 	if (error) {  in elan_i2c_set_flash_key()
503 		dev_err(&client->dev, "cannot set flash key: %d\n", error);  in elan_i2c_set_flash_key()
504 		return error;  in elan_i2c_set_flash_key()
513 	int error;  in elan_i2c_prepare_fw_update()  local
519 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
520 	if (error)  in elan_i2c_prepare_fw_update()
521 		return error;  in elan_i2c_prepare_fw_update()
525 		error = elan_i2c_iap_reset(client);  in elan_i2c_prepare_fw_update()
526 		if (error)  in elan_i2c_prepare_fw_update()
527 			return error;  in elan_i2c_prepare_fw_update()
533 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
534 	if (error)  in elan_i2c_prepare_fw_update()
535 		return error;  in elan_i2c_prepare_fw_update()
541 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
542 	if (error)  in elan_i2c_prepare_fw_update()
543 		return error;  in elan_i2c_prepare_fw_update()
551 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
552 	if (error)  in elan_i2c_prepare_fw_update()
553 		return error;  in elan_i2c_prepare_fw_update()
559 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val);  in elan_i2c_prepare_fw_update()
560 	if (error) {  in elan_i2c_prepare_fw_update()
562 			error);  in elan_i2c_prepare_fw_update()
563 		return error;  in elan_i2c_prepare_fw_update()
582 	int ret, error;  in elan_i2c_write_fw_block()  local
592 		error = ret < 0 ? ret : -EIO;  in elan_i2c_write_fw_block()
593 		dev_err(dev, "Failed to write page %d: %d\n", idx, error);  in elan_i2c_write_fw_block()
594 		return error;  in elan_i2c_write_fw_block()
600 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_write_fw_block()
601 	if (error) {  in elan_i2c_write_fw_block()
602 		dev_err(dev, "Failed to read IAP write result: %d\n", error);  in elan_i2c_write_fw_block()
603 		return error;  in elan_i2c_write_fw_block()
620 	int error;  in elan_i2c_finish_fw_update()  local
626 		error = len < 0 ? len : -EIO;  in elan_i2c_finish_fw_update()
628 			error, len);  in elan_i2c_finish_fw_update()
634 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_finish_fw_update()
635 	if (error) {  in elan_i2c_finish_fw_update()
636 		dev_err(dev, "device reset failed: %d\n", error);  in elan_i2c_finish_fw_update()
640 		error = -ETIMEDOUT;  in elan_i2c_finish_fw_update()
645 	if (error)  in elan_i2c_finish_fw_update()
646 		return error;  in elan_i2c_finish_fw_update()
650 		error = len < 0 ? len : -EIO;  in elan_i2c_finish_fw_update()
652 			error, len);  in elan_i2c_finish_fw_update()
653 		return error;  in elan_i2c_finish_fw_update()